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COPYRIGHT © 2006 Victor Company of Japan, Limited No.YA4422006/7
COLOUR TELEVISIONYA44220067
AV-2186ME, AV-21MS16/H,AV-21MS26, AV-21MX16/G,AV-21MX16/S, AV-21MX56/S,AV-21MX76/G
BASIC CHASSIS
CW3
SCHEMATIC DIAGRAMS
CD-ROM No.SML200607
(No.YA442)2-1
STANDARD CIRCUIT DIAGRAMNOTE ON USING CIRCUIT DIAGRAMS
5.NOTE FOR REPAIRING SERVICE
This model's power circuit is partly different in the GND. The
difference of the GND is shown by the LIVE : ( ) side GND and the
ISOLATED(NEUTRAL) : ( ) side GND. Therefore, care must be
taken for the following points.
(1)Do not touch the LIVE side GND or the LIVE side GND and the
ISOLATED(NEUTRAL) side GND simultaneously. if the above
caution is not respected, an electric shock may be caused.
Therefore, make sure that the power cord is surely removed from
the receptacle when, for example, the chassis is pulled out.
(2)Do not short between the LIVE side GND and ISOLATED(NEUTRAL)
side GND or never measure with a measuring apparatus measure
with a measuring apparatus ( oscilloscope, etc.) the LIVE side GND
and ISOLATED(NEUTRAL) side GND at the same time.
If the above precaution is not respected, a fuse or any parts will be broken.
Since the circuit diagram is a standard one, the circuit and
circuit constants may be subject to change for improvement
without any notice.
NOTE
Due improvement in performance, some part numbers show
in the circuit diagram may not agree with those indicated in
the part list.
When ordering parts, please use the numbers that appear
in the Parts List.
(7)Ground symbol
: LIVE side ground
: ISOLATED(NEUTRAL) side ground
: EARTH ground
: DIGITAL ground
(6)Connecting method
: Connector : Wrapping or soldering
: Receptacle
(5)Test point
: Test point : Only test point display
Respective voltage values are indicated
: B1
: 9V : 5V
: B2 (12V)
(4)Power Supply
Type
MM : Metalized mylar capacitorPP : Polypropylene capacitorMPP : Metalized polypropylene capacitorMF : Metalized film capacitorTF : Thin film capacitorBP : Bipolar electrolytic capacitorTAN : Tantalum capacitor
(3)Coils
No unit
Others
: [µH]
: As specified
No indication : Ceramic capacitor
(2)Capacitors
Capacitance value
1 or higher : [pF]
less than 1 : [µF]
Withstand voltage
No indication : DC50[V]
Others : DC withstand voltage [V]
AC indicated : AC withstand voltage [V]
Electrolytic Capacitors
47/50[Example]: Capacitance value [µF]/withstand voltage[V]
Composition resistor 1/2 [W] is specified as 1/2S or Comp.
Type
No indication : Carbon resistor
OMR : Oxide metal film resistor
MFR : Metal film resistor
MPR : Metal plate resistor
UNFR : Uninflammable resistor
FR : Fusible resistor
4.INDICATIONS ON THE CIRCUIT DIAGRAM(1)Resistors
Resistance value
No unit : [Ω]
K : [kΩ]
M
Rated allowable power
No indication : 1/16 [W]
Others : As specified
: [MΩ]
3.INDICATION OF PARTS SYMBOL [EXAMPLE]
In the PW board : R209 R209
1.SAFETYThe components identified by the symbol and shading are
critical for safety. For continued safety replace safety ciritical
components only with manufactures recommended parts.
Since the voltage values of signal circuit vary to some extent
according to adjustments, use them as reference values.
2.SPECIFIED VOLTAGE AND WAVEFORM VALUES
The voltage and waveform values have been measured under the
following conditions.
(1)Input signal : Colour bar signal
(2)Setting positions of
each knob/button and
variable resistor
(3)Internal resistance of tester : DC 20kΩ/V
(4)Oscilloscope sweeping time : H 20µs / div
: V 5ms / div
: Othters Sweeping time is
specified
(5)Voltage values : All DC voltage values
: Original setting position
when shipped
AV-2186ME, AV-21MS16/H, AV-21MS26, AV-21MX16/G,AV-21MX16/S, AV-21MX56/S, AV-21MX76/G
SEMICONDUCTOR SHAPES
CONTENTSSEMICONDUCTOR SHAPES ......................................................................2-2BLOCK DIAGRAM
[AV-21MS16/H, AV-21MS26, AV-21MX16/G, AV-21MX16/S] ....................................................................... 2-3[AV-2186ME, AV-21MX56/S,AV-21MX76/G] ................................................................................................ 2-5
CIRCUIT DIAGRAMSMAIN PWB CIRCUIT DIAGRAM [AV-2186ME, AV-21MX56/S, AV-21MX76/G] (1/4), (2/4) .......................... 2-7MAIN PWB CIRCUIT DIAGRAM [AV-2186ME, AV-21MX56/S, AV-21MX76/G] (3/4), (4/4) .......................... 2-9MAIN PWB CIRCUIT DIAGRAM [AV-21MS16/H, AV-21MS26] (1/4), (2/4) .................................................2-11MAIN PWB CIRCUIT DIAGRAM [AV-21MS16/H, AV-21MS26] (3/4), (4/4) ................................................ 2-13MAIN PWB CIRCUIT DIAGRAM [AV-21MX16/G, AV-21MX16/S] (1/4), (2/4) ............................................. 2-15MAIN PWB CIRCUIT DIAGRAM [AV-21MX16/G, AV-21MX16/S] (3/4), (4/4) ............................................. 2-17BASS PWB CIRCUIT DIAGRAM .............................................................................................................. 2-19
PATTERN DIAGRAMSMAIN PWB PATTERN .............................................................................................................................. 2-21BASS PWB PATTERN ............................................................................................................................. 2-23
VOLTAGE CHATRS................................................................................... 2-25WAVEFORMS ............................................................................................ 2-26
USING P.W. BOARDP.W.B ASS’Y name
MAIN P.W. BOARD
BASS P.W. BOARD
AV-2186ME
SCW-1901A-H2
SCW-6001A-H2
AV-21MX56/S AV-21MX76/G AV-21MS16/H
SCW-1911A-H2 SCW-1908A-H2 SCW-1903A-H2
P.W.B ASS’Y name
MAIN P.W. BOARD
BASS P.W. BOARD
AV-21MS26
SCW-1902A-H2
SCW-6001A-H2
AV-21MX16/G AV-21MX16/S
SCW-1910A-H2 SCW-1912A-H2
2-2(No.YA442)
IC
BOTTOM VIEW FRONT VIEW TOP VIEW
1 N
N1
OUT
E
IN
IN OUTE
1 N
TOP VIEW
1
N
1
N
CHIP IC
TRANSISTOR
BOTTOM VIEW FRONT VIEW TOP VIEW
CHIP TR
E
C
BE C B
C
B EB(G)
E(S)
C(D) E C B
E C B
2-4(No.YA442)(No.YA442)2-3
BLOCK DIAGRAMS[AV-2186ME, AV-21MX56/S,AV-21MX76/G]
J801
S-VIDEO
V
L
R
TU001
TUNER
CVBS1
S_V_DET
Y1
C1
L1
R1
IF
SCLSDA
J802
J803
PB
PR
R2
J804
L-OUT
R-OUT
V2/Y
L2
PB
PR
R
Y
L
V-OUT
L
R
VIDEO
SF101SAW FILTER
SF102SAW FILTER
IC601
AUDIO AMP
MAIN PWB
13
23
L_AOUT
R_AOUT
9
3
VOL+
REMOCONRECEIVER
VOL- CH+ CH- MENU
POWERLED
AC IN
F901
POWER SW
S901
J806
J807
J808
V3
L3
R3
VIDEO
AUDIO-L
AUDIO-R
T522
FBT
B1SCREEN
FOCUS
EHV
D901
RECT
T921
SW
TRANSF.
L951
8V
12V
5V
3.3V_STB
32V
IC951ERROR
AMP
PC901VOLTAGE
FEEDBACK
IC921POWER
REG
IC97312V REG
IC9755V REG
IC9723.3V REG
Q983Q984
1.8V REG
Q981Q982
1.8V REG
1, 7 5IC401V. OUT
Q522
H. OUT
SPEAKER L
SPEAKER R
J809
HEADPHONE
MAIN PWB
(CRT SOCKET)
R
G
BV01
IC351RGB OUT
V
H
DY01
DEF YOKE
1.8V
IC971
3.3V REG3.3V
1.8V(V1.8A)
IC702
MAIN MEMORY
9
8
7
20 CVBS2
6
36, 37
41
42
SEL
VSP
HSP
COLOURDEC.
H/VSCALER
DRAM
A-D
CONVERT
OVERSAMPLE
I2C
RGBMATRIX
D-A
CONVERT
IC301PIP CONTROL
SYNCPROC.
R
G
B
29, 30 SIF IN
VIF IN
SIF DETECT
VIDEOIDENT.
AUDIOCONTROL
COMB FILTERY DELAY ADJ.
MAIN PWB(FRONT LED)
COLOURDEMOD
SYNCSEP.
H. DRIVE
VIF DETECT/AGC/AFTSOUND TRAP
TELETEXT DECODERDIGITAL SIGNAL PROCESS
PEAKING SCANVELOCITY MOD.
U/V DELAY
RGB MATRIX&
GAMMA
AUDIOSELECT
VIDEOSELECT
I/OPORT
AUDIOSELECT
G3/Y
B3/PB
R3/PR
V2/Y
Y1/CVBS
C1
V3
L1
L2
L3
R1
R2
R3
V_OUT
L_OUT
R_OUT
24, 25
S_V_DET122
79
80
78
55
58
59
51
49
50
56
57
34
35
48
36
37
ROUT 85
GOUT
BOUT
86
87
PIP_RIN
PIP_GIN
PIP_BIN
70
72
71
VDRA+, VDRB-
HOUT
CVBSO/PIP(PIP_OUT)
22, 23
67
64
A_L
A_R
60
61
PIP_SEL 75
R
R
G
G
B
B
I2CBUS
KEY_IN
REMOTE
PW_LED
SCL0, SDA0
SCL1, SDA1
98,99
97
119
127,128
108,109
MAIN MICRO COMPUTER/TELETEXT DECODE/IF.VIDEO.RGB.SYNC.DEF. PROCESSIC701
V. DRIVE
MICROCOMPUTER
BASE-BANDDELAY LINE
Y
C
B-Y R-Y
SKIN TONEU/V TINT
SATURATION
OSD/TEXTINSERT
VIDEO-1
S-VIDEO
INPUT
VIDEO-2
COMPONENT
VIDEO
INPUT
OUTPUT
VIDEO-3
INPUT
(FRONT)
3
2
14
13
IC671BASS AMP
(No.YA442)2-5 2-6(No.YA442)
[AV-21MS16/H, AV-21MS26, AV-21MX16/G, AV-21MX16/S]
TU001
TUNER
CVBS1
SW1
Y1
C1
L1
R1
IF
SCLSDA
PB
PR
R2
L-OUT
R-OUT
V2/Y
L2
V-OUT
SF102SAW FILTER
IC601
AUDIO AMP
MAIN PWB
13
23
93
2
14
13 3
VOL+
REMOCON
MAIN PWB(FRONT LED)
RECEIVER
VOL- CH+ CH- MENU
POWERLED
AC IN
F901
POWER SW
S901
TV/VIDEO
V3
L3
R3
T522
FBT
B1SCREEN
FOCUS
EHV
D901
RECT
T921
SW
TRANSF.
L951
8V
12V
5V
3.3V_STB
32V
IC951ERROR
AMP
PC901VOLTAGE
FEEDBACK
IC921POWER
REG
IC97312V REG
IC9755V REG
IC9723.3V REG
Q983Q984
1.8V REG
Q981Q982
1.8V REG
1 5IC401V. OUT
Q522
H. OUT
SPEAKER L
SPEAKER R
J801
HEADPHONE
CRT SOCKETPWB
R
G
BV01
IC351RGB OUT
V
H
DY01
DEF YOKE
1.8V
V1.8V(V1.8A)
IC702
MAIN MEMORY
VIF IN
SIF DETECT
VIDEOIDENT.
AUDIOCONTROL
COMB FILTERY DELAY ADJ.
COLOURDEMOD
SYNCSEP.
H. DRIVE
VIF DETECT/AGC/AFTSOUND TRAP
DIGITAL SIGNAL PROCESS
PEAKING SCANVELOCITY MOD.
U/V DELAY
RGB MATRIX&
GAMMA
AUDIOSELECT
VIDEOSELECT
I/OPORT
AUDIOSELECT
Y
PB
PR
V2
Y/V1
C1
V3
L1
L2
L3
R1
R2
R3
VOUT
LOUT
ROUT
24, 25
SF101SAW FILTER
SIF IN29, 30
SV_DET122
79
80
78
55
58
59
51
49
50
56
57
34
35
48
36
37
ROUT 85
GOUT
BOUT
86
87
VDA,VDB
HOUT
22, 23
67
A_L
A_R
60
61
R
R
G
G
B
B
I2CBUS
KEY_IN
REMOTE
LED
SCL0, SDA0
SCL1, SDA1
98,99
97
119
127,128
108,109
IC701 MAIN MICRO COMPUTER/
IF VIDEO RGB SYNC DEF. PROCESS
V. DRIVE
MICROCOMPUTER
BASE-BANDDELAY LINE
Y
C
B-Y R-Y
SKIN TONEU/V TINT
SATURATION
OSDSELECT
J801
S-VIDEO
V
L
R
J802
J803
Y
CB
CR
L
R
J804VIDEO
J806VIDEO
J807AUDIO-L
J808AUDIO-R
L
R
VIDEO-1
S_VIDEO
INPUT
VIDEO-2
COMPONENT
VIDEO
INPUT
OUTPUT
VIDEO-3
INPUT
(FRONT)
IC671BASS AMP
2-8(No.YA442)(No.YA442)2-7
!
R753
C764
C766
R601
R101
C007
C008
C101
C753
C752
C751
R782
R004
R729
D101
C780
C750
C749
C748
L101
C746C109
R107
Y004
L716
C808
SF101L002
NECK
LC803
R755
R002
C107
SF102
R001
C004
J801
C003
R766
R767
C001
C106
R824
J803
C793
R825
Y813
R804
LC802
IC601
Y804
Y803
R806
Y806
Y805
LC804
Y706
J802
D813
D605
Y814
C760
D603
Y710
IC301
R319
C314
D301
D810
C305C304
D811
D812
L301
R309
R312
C311
L305
R728
R726
R727
CN00T
C705
C757
C756
C718
C806
C302
C754
C755
R732
R733
R734
R735
C310
C758
C704
X701
C709
C712
R779
Q791
D604
C761
C309
R780
IC701
R005
C005
C706
R731 D708
R701C710
C711
C762
R708
C308
R709
D701
Y720
R307
Y717
C713
R702
C714
C707
C708
R705
R703
R704
C716
C715
R706
R707
C719
C720
Y715
TU001
CF101
R617
D602
C605
C606
R607
Y713
R637
R638
R639
D610
R611
Q602
R610
C609
Q601
R609
C607
C608
R623 R620
Q608
Q607
R621
C613R624
R622
R314
R812
C802
C803
R310
R811
R813
Q803
Q804
Q805R814
C306
Q801
R807
L302
R313
C313
LC801
R344
CN10A
C312
D341
CF702
D342
D343
L306
D345
Q307
Y909
J804
L706
R318
C315
L304
R801
R781
3.3V_STB
8V
5V
Y802
Y801
R805
Y722
R961
R649
Y703
Y702 Y824
C617
K701
C763
CN00C
Y712
32V
C809
Q982
C831
C827
C828
C829
C830
Q984
R809
C786
C787
C788
CN00M
Y708
C810
R817
Y718
Q704
R796
D713
Y812
Y721
Y003
L703
C702
C701
C773
R790
Y008
R793
Q707Q708
12V
C777
R760
R761
C341
Q341
Q706
R816
Q701
Q705
GND
J805
R795
R794
R783
C792
D707
R634 R635 R636
R602
Y912
R662
Y610
Y611
W-C
Y942
Y705
GND GND
CF701
C318
D717
D716
C825 C826
D715
K104
C717 R721
R720
Y941
A_VCC
A_GND
Y943
C779
C804
R815
Y944
Y704
Y714
VDRA+
VDRB-
EW
H_DRIVE
P_ON/OFF
HFB
ABL
PROTECT
Y707
GND GND
3.3V
C784
K702
IC801
K651
Y716
R823
R822
R327
LC805
Y810Y809
IC701
SF101
J809
R630
R631R633
R632
CN00S
R778
Y968
Y962
R821 R820 R819 R818
S801S802S803S804S805
Y961
GND
D609
GND
W-C1
W-G W-G1
R640
C661
Q983
C111
R981R982R983R984
D753
C785
C778D706
R985
R986
L718
K102
K105
C615
R976
D608
J808
D808
R724
R792
C616
C317
C790
Q702
R725
R722 R723
C722
IC302
CP650
Y819
C110
R756
C823
C824
D607
D751
C662
Y101
Y711
Y709
C821
C822
D814
J806
J807
GNDGND
D817
CN00A
C8
07
Q1
01
L0
01
R1
05
R1
06
R1
04
R1
08
C1
02
R1
02
R1
03
Q1
02
Q1
03
C7
43
C7
42
R7
16
C1
08
C1
03
C1
04
R1
10
C1
05
R7
77
C7
40
C7
37
C0
06
C7
36
R0
03
R1
09
C0
02
C7
21
R7
15
C7
23
C7
24 C
72
7
C7
28
R7
10
C7
39
C7
38
C7
25
C7
26
C7
29
C7
32 R
73
8
R7
41
R7
42
R7
44
Q6
12
R7
47
R7
49
R7
51
R7
52
R7
54
R7
71
R7
57
R3
17
R3
16
C7
03
C7
67
R3
15
C7
75
L3
03
C7
31
C7
34
C7
30
C3
03
X3
01
C7
68
R7
45
R7
43
R7
58
R7
59
C7
71
C7
72
D7
09
C7
76
R7
50
C7
70
R6
18
C6
01
C6
55
C6
56
C6
02
R6
05
R6
04
C6
03
C6
04
R6
06
R3
08
D6
06
D7
10
R6
12
R6
13
R6
14
R6
19
R6
15
C6
10
Q6
03
Q6
04
Q6
05
Q6
06
Q3
06
Q3
05
R8
10
R3
11
C3
07
R3
20
C7
41
R3
21
C3
16
R7
18
R7
13
R7
11
C7
81
C7
82 R
73
9
R7
37
K1
03
R7
62
R7
63
R7
64
R7
65
R7
12
R7
14
C7
35
R7
17
D7
03
D7
02
D7
04
R7
19
L0
03
R7
36
K1
01
C7
83
R7
89
R7
72
IC702
R7
48
D7
14
Y9
64
Y9
63
D1
02
C6
12
C6
11
R6
25
C7
44
C7
45
R7
40
R7
76
R7
70
R7
69
R7
85
R7
68
R7
74
R7
73
R7
75
Q9
81
R7
87
W-A
1
L7
01
L7
02
Q6
09
C6
14
Q6
10
Q6
11
D9
82
D9
81
W-A
D7
11
D7
12
R7
86
CH
CH
MC
1SS356-X
QQL244K-1R0Z
MC
MC
MC
MC
MC
QQL244J-4R7Z
QQR1199-002
MC
QAX0731-001
QNZ0454-002
MC
CH
QNN0348-001
QRE141J-470Y
QQR1199-002
AN5277
QQR1199-002
QUY160-250Y
QNN0349-002
CLKOUT
GP01
HSP
VSP
VSS33PAD
VDD33PAD
INTR
SCL
SDA
I2C2
I2C1
FSW
IN3
IN2
IN1
VDD18ADC
VSS18ADC
CVBS1
TEST
CVBS2
TM
CVBS3
NC NC NC
NC
NC
NC
NC
NC
NC NC NC
NC
NC
NC
NC
PVP9390A-QG-A1
MC
MC
QQL244K-100Z
MC
QQL244K-100Z
QJL001-064431-E
CH
CH
MC
TF
QFZ0229-154Z
CH
QAX0799-001Z
MC
TF
1/4W
MC
INSSW3
Uout/INSSW2
VssP2
VssC4
V1.8C4
V3.3A3
VrefP_Sdac
VrefN_Sdac
VrefP_Sdac
VrefN_Sdac
VrefP_Sdac
XtalIn
XtalOut
VssA1
NECK
CONT
V5P1
Ph2
Ph1
Gnd1
SecPll
Dec8G
EW
VDRB-
VDRA+
Vif1
Vif2
Vsc
Iref
GndIF
Sif1
Sif2
AGC
EHT SVM
FbiSo
Hout
VssComb
V5Comb
Vin/R2/Pr
Uin/B2/Pb
Yin/G2/Y
Ysync
Yout
NC
R3/Pr
G3/Y
B3/Pb
Gnd3
V5P3
BCL
BLKIN
Rout
Gout
Bout
V3.3A1
RefAdN
V3.3RefAdP
RefAd
GndA
V1.8ADC
VssADC
V3.3A2
V1.8A
MC
CH
1/4W
MC
1/4W
QUY160-075Y
QUY160-075Y
MC
MC
MC
MC
MC
IF
NC
32V
LOCK
5V
BM
SDA
SCL
AS
BT
AGC
QAU0383-002TUNER
1/2W
QUY160-100Y
MC
KTA1267/YG/-T
1/2W
QQL244K-100Z
MC
QQR1199-002
QJL001-050600-E
QQL244K-100Z
QNN0349-001
QQL244J-391Z
1/4W
QUY160-150Y
1/4W
QUY160-150Y
QUY160-150Y
QGA2501F1-06
QUY160-050Y
MA8039/H/-X
D
GS
SSM3K02F-X
D
GS
SSM3K02F-X
QUY160-075Y
QUB230-16ZAZA-E
QUY160-200Y
QUY160-150Y
CH
MC MC
QQR1114-001Z
QUY160-075Y
QUY160-050Y
QUY160-075Y
QQR0601-001Z
REMOTECONRECEIVER
GP1UE281QKVF
QQR1113-001Z
QUY160-150Y
SCW-1901A
Refer to NOTE Refer to NOTE Refer to NOTE
SCW-1908A
SCW-1911A
QAX0872-001
QAX0663-001
QAX0663-001
QQR1199-002
QNS0155-001
1/2W 1/2W
QGA2501C5-04Z
QUY160-100Y
QSW0619-003ZQSW0619-003ZQSW0619-003ZQSW0619-003ZQSW0619-003Z
QUB230-16ZAZA-E
QUB230-12ZAZA-E QUB230-12ZAZA-E
1/4W
2SA562TM/Y/-T
1/2W1/2W
MA8036-X
QUY160-150Y
QUY160-150Y
1/4W
QNN0282-001
LH22440-T16
1/4W CH
ECOS9648
CP
ICP-N25-T
MC
MC
QUY160-075Y
QUY160-150Y
QUY160-050Y
NCB31HK-152X
NCB31HK-152X
QNN0281-003
QNN0281-002
QJL001-050600-E
2S
C5
39
7/C
D/-
T
MC
NC
NC
NC
NC
NC
NC
NC
NC
RIN
BIN
RF
GN
D
LIN
NC
B_
MU
TE
L_
OU
T
L_
R_
MU
TE
GN
D_
B
VC
C
B_
OU
T
ST
B
RO
UT
MC
XO
UT
XIN
VS
S1
8
VD
D1
8
GP
00
SE
L
OU
T3
OU
T2
OU
T1
VS
S3
3D
AC
VD
D3
3D
AC
CV
B4
VS
S3
3A
DC
VD
D3
3A
DC
YIN
UIN
VIN
RE
SE
T
VD
D1
8
VS
S1
8
PO
R
GP
02
1/4
W
1/4
W
SC
LO
SD
AO
P1
2/I
nt2
VssC
3
V1
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3
P2
5/P
WM
4
S_
V_
DE
T
L3
R3
L_
OU
T
R_
OU
T
De
csD
em
QssO
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O/A
ud
eE
m
Gn
d2
PllI
f
SifA
gc
IfV
o/F
mR
o/D
vb
O
NC
V8
Au
dio
Sw
itch
es
Ag
cS
sif
V5
P2
V_
OU
T
L1
R1
V3
C4
Au
dio
2In
L
Au
dio
2In
R
V2
/Y
L2
R2
Y3
/Cvb
s
C1
A_
L
A_
R
HP
_L
HP
_R
CV
BS
O/P
IP
VssC
1+
P1
VD
O_
DE
T
KE
Y_
IN
De
cV
1V
8
V1
.8C
1
EC
O_
IN
PR
OT
4.5
/OT
HE
R
A_
MU
TE
3.5
8/O
TH
ER
RO
TA
TIO
N
V3
.3P
SD
A
SC
L
PO
WE
R
P0
0/I
2S
DI1
S_
RE
DU
CE
VE
R_
PR
OT
EC
T
TIM
ER
TIM
ER
VssC
2
V1
.8C
2
PW
_L
ED
RE
MO
TE
PW
_L
ED
Ssif/R
efI
n/A
vl/R
efO
ut
L2
44
K-1
00
Z
CH
QA
X0
77
5-0
01
Z
1/2
W
1/4
W
1/4
W
R0
60
1-0
01
Z
L2
44
J-4
R7
Z
R1
11
4-0
01
Z
A0
A1
A2
VS
S
VC
C
WP
SC
L
SD
A
MA
80
30
/H/-
X
QU
Y1
60
-25
0Y
1S
S3
56
-X
1/4
W
2S
A5
62
TM
/Y/-
T
L2
31
J-5
R6
Y
L2
31
J-5
R6
Y
UD
ZS
2.0
B-X
UD
ZS
2.0
B-X
1.2K
X
.22
0
10
56p
56p
.0047
.1
.1
.1
1.2K
27K
4.7K
.1
.1
.1
.1
.1.0047
4.7K
0
*4
100/16
*
1.2K
220
.01220
470/16
.1
X
X
.01
18p
470
10/50
X
75
X
X
75
X
X
*8
X
0
.22
*3
BW
4.7K
0.001
*3
*8
0.0110/50
*8
*8
220
220
0.01
100
27K
560
7p
560p
.1
X
27P
.1
220/16
1K
100
100
100
10/50
.22
.1
.01
.22
100
*1
X
.1
0.01
100
*
75
.0022
7p
1K *3
12K6800p
2.2/50
100/16
10K
10/50
1M
*3
22K
10/50
X
.022
.1
100/16
39K
100
100
.001
.001
220
22K
.01
.001
X
X
X
X
.22
.22
2.2
X
1K
X
1K
*3
10K
*2
100K
33/50
*2
27K
220/16
220/16
33K 10K
*1
*1
2.2K
10/5068K
10K
22K
390
10/50
10/50
4.7K
82K
82K
*6
*6
*2100K
10/50
100
82K
0.01
22
10/50
*3
X
*3
*3
*3
*2
X
*4
4.7K
0.047
75
100
X
X
75
10K
1K
X X
X
X
X
X
*1
0
0
0
0
0
*1
220
X
X
X
X
X
X
*1
10K
X
X
X
*4
.22
.22
.1
1K
X
100
*1*2
.1
220
220
100/16
*2
75
X
X
100K
2.2K
10K
0.1
*3
0 X 0
0
X
X
X
X
X
27p
*3
*3
.0015 .0015
*3
1/50 470
680
X
10/50
470/16
75
X
1/50
X
1K
39K
XX
270
1K1K
270
X
X
470 330 220 180
X
X
1K
10/50
220/16
3.947K3.947K
*8
2.2
47/35
4.7K
4.7K
*4
1000/25
1K
X
X
33
1000/25
10/50
27p
X
X
X X
X
BW
.1
10K
.0015
.0015
*3
*8
10/50
*8
*8
.1/1
6
X
22
10
01
80
2.2
K
.00
47
6.8
K2
.7K
*5
*5
10
/50
10
/50
5.6
K
.00
47.0
04
7
10
/50
2.2
K
.00
47
10
0
.1.1
33
/50
.01
3.9
K
2.2
K
10
/50
X
39
0
1 1
33
00
p
.1
X
1
1
.1
10
/50
2.2
/50
2.2
/50
10
0
22
0
22
0
22
0
*11
00
1K
10
0
10
0
22
0
1K
4.7
K
10
K
10
K
47
0/1
0
.22
10
K
22
0/1
6
.1 .1
22
/50
27
P
.22
3.3
K
3.3
K
3.3
K
3.3
K
22
/50
.22*3
.1
10
K.1
10
K
10
/50
X
10
0/5
0
10
/50
X10
K
.22
.22
2.2
33
K
*8
10
0K
X
10
0K
XX
22
0/1
6
*6 X *6
X
*1
*1
39
0
4.7
K0
.01
3.3
K
.1
4.7
K
22
0/1
6
5.6
K
5.6
K
5.6
K
1 1 10
0
10
0
22
0
22
0
22
0
22
0
10
K
10
K
.1
10
K
*8
*8
*8
10
K
10
0
1/5
0
X
5.6
K2
.7K
X
XX
X
.1
.1
15
K
15
K
00
4.7
K
10
0
5.6
K
10
K
10
K
4.7
K
*6
X
X *6
*3 *3
75
L2
R2
SDA
SCL
C1
5V
5V
SCL0
SDA0
GND
PW
R_OUT
P_R
NECK
5V
5V
3.58/OTHER
GND
PB
SDA
A_B
R1
Y
GND
PB
GND
VDO_DET
L_OUT
GND
S_V_DET
1.8V
SCL
U
12V
PR
SCL
GND
V_OUT
8V
V
A_VCC
V2/Y
GND
PR
SDA
3.3V_STB
4.5/OTHER
P_ON/OFF
CVBSO/PIP
A_GND
P_ON/OFF
L1
EW
VDRB-
VDRA+
Y1/CVBS1
V2/Y
NECK
CONT
H_DRIVE
HFB
SCL0
SDA0
12V
BASS
A_GND
5V
GND
3.3V
PROTECT
3.3V_STB
V1.8A
3.3V
NECK
5V
CONT
EW
VDRA+
ABL
VDRB-
5V
1.8V
12
V
S_
V_
DE
T
L2
R_
AO
UT
R2
5V
PW
_L
ED
P_
L
L3
EC
O_
IN
R_
OU
T
L_
OU
T
8V
PW
_L
ED
S_
RE
DU
CE
3.5
8/O
TH
ER
SD
A
V3
GN
D
OF
F_
MU
TE
PW
H_
DR
IVE
VD
O_
DE
T
CV
BS
O/P
IP
12
V
RE
MO
TE
A_
MU
TE
GN
D
Y1
/CV
BS
1
V2
/Y
V_
OU
T
EC
O_
IN
R3
L3
P_
ON
/OF
F
AB
L
1.8
V
1.8
V 5V
PR
OT
EC
T
A_
R
B_
MU
TE
RE
MO
TE
A_
B
5V
5V
HF
B
1.8
V
OF
F_
MU
TE
V1
.8A
R3
GN
D
KE
YIN
A_
MU
TE
SD
A
12
V
V3
AB
L
P_
L
L1
GN
D
4.5
/OT
HE
R
SC
L
5V
P_
R
BA
SS
A_
L
KE
YIN
3.3
V_
ST
B
3.3
V
3.3
V
S_
RE
DU
CE
3.3
V_
ST
B
A_
R
A_
L
GN
D
L_
AO
UT
5V C1
R1
GN
D
SC
L
GN
D
R_
AO
UT
L_
AO
UT
A_
GN
D
B_
MU
TE
A_
VC
C
Y
12
V
UV
c21244001a.001_1/2
MAIN PWB ASS'Y (1/4)
SCW-1901A-H2 [AV-2186ME]
SCW-1911A-H2 [AV-21MX56/S]
SCW-1908A-H2 [AV-21MX76/G]
MAIN PWB ASS'Y (2/4) [FRONT LED]
SCW-1901A-H2 [AV-2186ME], SCW-1911A-H2 [AV-21MX56/S],
SCW-1908A-H2 [AV-21MX76/G]
MAIN PWB (3/4)
SHEET2
MAIN MICRO COMPUTER /
TELETEXT DECODE /
IF CIDEO RGB SYNC DEF.PROCESS
AUDIO AMP
POWER
LED (RED)
MAIN PWB (4/4) SHEET2
(CRT SOCKET)
CN10TVIDEO-3
INPUT
SPEAKER
VIDEO-1
S-VIDEO
INPUT
VIDEO-2
COMPONENT
VIDEO
INPUT
OPEN
OUTPUT
BASS PWB ASS'Y
SHEET7 CN00M
Note: 1. Please refer to parts list for the part number of IC701 and IC702.
2. Please refer to page 2-25 for voltages of this circuit diagram.
3. Please refer to page 2-26 for waveforms of this circuit diagram.
CIRCUIT DIAGRAMS MAIN PWB CIRCUIT DIAGRAM [AV-2186ME, AV-21MX56/S, AV-21MX76/G] (1/4), (2/4) SHEET1
(No.YA442)2-9 2-10(No.YA442)
!!
!
! !!
!
!
!
!
!!
!
!
!
!
!
!
!!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
L951
C950
CP951
Y953
D595
K954
Y503
L551
C953
R951
L421
C423
C954
C952
IC972
C581
Y972
R350
D555
D972
R582
C521
R430
R554
R474
Y952
C555
R473
R977
Q521
Y505
R523
IC921
D928
R434
R438
L530
PC901
C951
C522
IC971
Y504
CN0HV
C926
R953
R440
C965
C995
D551
C980
R952
CN00U
LF902
D926
D971
D973
R431
D424
W-B
R591
C424
Y502
D423
C427
C431
SCREEN
R426
C901
Q461
R583
CP953K953
D954
R581
LF901
C526
C959
IC973
C435
C436
C524
Q373
C902
R472
R448
T522
Q372
IC401
IC975
D523
R527
Q371
CN00X
R962
R371
D962
C525
CN10U
R926
Y911
Y910
CN00D
D593
C593R594
R372
D927
R373
R377
Q591
R902
R927
R375
D372
D554
Q374
R970
R376
D571
C371
D976
Y954
R901
D371
C903
C905
CN00B
R525
D950
C964
C962
C573
C922
C430
T921
C572
Q572
HS522
D970
C977
C529
C910
R910
C994
D592
C591
VA901
S901
F901RY901
Q571
CNDEGTH901
D956
D957
R964
R991
R963
C966
Q955
C428
SG351 SG353
SG352
SG354
IC351
C358
SK351
SK351
R923
R358
R360
R359
C993
D530
R573
Y572
T521
R471
D921
Y951
C921
K921
C925
R432
R433
C592R593
D581
D591
Y957
R592
C924
C352
Y570
CN10T
Y571
R369
K356
Y966Y965
K955
D955
Y960
Y958 Y970
W-X
Y971
GND GND
CP954
Q522
C955
CP955
C960
W-X1
W-Y
W-Y1
W-D
GND GND
W-E
GND
GND
GND
Y361
GND
R522
R924
R528
C963
D520
Y967
R569 R571
R978
Q422
Q421
R421
R575
R530
C520
R461
R462
C531
L521
R433
R524
C523
C528
R431
R965
L551
C957
R582
R432
C525
C528
C526
C582
C527
R583
C904
C906
C524
L522
C906
R957
C992
D924
D925
D923
IC951
K952
C956
D953
R533
C958
C582
C916
R570
R572
C553
D901
R552
C530
R551
R574
C532
C571
C554
C551
D975
D951
C527
R521
R520
D552
D522
D952
CP952
C991
C967
K951
CN0PW
L522
C552
C4
22
P_
ON
/OF
F
NE
CK
CN
0E
3
Y9
55
R4
11
L3
51
3.3
V
C9
73
Y9
08
Y9
05
Y9
06
Y9
07
R4
27
C9
72
HF
B
C9
71
AB
L
H_
DR
IVE
R9
71
Y9
04
Y9
02
CN
0E
4
Y9
01
R4
12
GN
D
12
V
TP
-47
G
Y9
03
R3
55
R9
22
R3
56
R3
57
R3
51
R3
54
R3
53
R3
52
R3
81
C9
23
R3
80
C4
71
C3
51
C3
53
TP
-47
B
D3
70
D3
54
D3
55
D3
56
D3
51
TP
-47
R
PR
OT
EC
T
3.3
V_
ST
B
A_
GN
D
A_
VC
C
D3
50
8V
5V
32
V
CN
0E
1
CN
0E
2
VD
RB
-
EW
VD
RA
+
D9
22
R9
21
C9
15
D5
21
QQLZ026-460
MC
CP
QMFZ052-2R0-E
QCB32HK-471Z
1/4W
QUY160-050Y
MC
QCB32HK-471Z
PQ033RDA1SSH
QUY160-050Y
1/2W
QUY160-050Y
MY
QFLC2AJ-103Z
1/4W
QRL039J-120
H_DRIVE2SC2655/Y/-T QRL029J-271
D
NC
S/GND
VCC
FB
SS/ADJ
BD
STR-W6554A-F5
QQL244K-220Z
PS2581AL1/QW/
QCZ0364-152
MY
MM1563DF-X
HV
QGZ5003C1-04
1/4W
QRG01GJ-221
QJL001-043224-E
-232
QFZ0196
QQR0673-004
1/2W
1SR35-400A-T2
QUB230-08ZAZA-E
QFLC2AJ-683Z1N4003SG-T2
TF
QFZ9072-224
1/2W
CP
ICP-N75-T
1/2W
QQR1635-001
PQ120RDA1SZ
NCF21HZ-334X
NCF21HZ-334X
QFZ9072-224
1/2W
FBT
QQH0188-001
Vcc -Vcc
PUMPUP
THERMALPROTECTION
AMP
LA78040N
PQ050RDA1SZ
QRL039J-393
QRL029J-223
MA8330/M/-X
QJL001-043224-E
QRE121J-150Y
MA8180/M/-X
QRL029J-683
1/4W
MA8051/L/-X
1/4W
MA8075/H/-X
QUY160-125Y
QRF154K-2R2
QCZ9015-102Z
QCZ9015-102Z
QGA2501C5-03Z
MC
QFLC2AJ-563Z
QQS0271-001
UN2226-X
LC31722-001B
MA8082/M/-X
QENC2AM-225Z
QFZ9072-224QRZ0107-474ZQAF0060-621
QSW0846-001
QMF51E2-4R0-SQSK0061-002
2SA1208/ST/Z1-T
QGZ5003C1-02
QAD0134-4R5
QRZ9046-825Z
TDA6107AJF/N1
QCZ0121-472
QNZ0536-002
QNZ0536-002
1/4W
QRZ0107-152Z
QRZ0107-152Z
QRZ0107-152Z
AC250VQCZ9079-102
QUY160-125Y
QQR1522-001
QCZ0364-561
QQR1114-001Z
1/2W
QUY160-100Y
MC
QUY160-100Y
QJL001-064431-E
QUY160-125Y
1/2W
QUY160-050YQUY160-050Y
FMX-G12S
-202QFZ0196
-232QFZ0196
QUY160-125Y
CP
TT2190LS-YB11
QCB32HK-471Z
CP
ICP-N75-T
QUY160-050Y
SCW-1901A
QRE121J-154Y
SCW-1908A
SCW-1911A
1/2W
QRE121J-274Y
-004QQR1005
QRA14CF-3902Y
1/2W
QCZ0364-102
QFZ0196
-472
QRE121J-330Y
QRE121J-271Y
QUY160-150Y
QQLZ026-280
QRX01GJ-2R2
QQLZ026-240
QRE121J-120Y
QRX01GJ-2R7
QRZ0225-2R2
-002QQR1005
QRE121J-184Y
QRE121J-154Y
QFP32GJ-393
QFZ0196-202
QFZ0197-124
QQLZ026-280
QRE121J-330Y
1/4W
QRX01GJ-2R2
-271YQRE121J
-004QQR1005
QFZ0197-124
QRZ9017-270
QFZ0197-204
QFP32GJ-563
QFZ0196-152
QFZ0196-502
1/2W
QRE121J-184Y
QFZ0197-124
QRL039J-470
QRT029J-R47
QFP32GJ-393
QFZ0197-124
QFZ0196-202
-472QFZ0196
QRE121J-274Y
QCZ9015-102Z
QEZ0633-227
QEZ0476-227
QEZ0476-227
1/2W
QCZ9079-102
MTZJ9.1C-T2
MTZJ9.1C-T2
SE135N
QEZ0203-107
RU3AM-LFC4
QRZ9017-4R7
1/2W
GSIB460-S1
QRX029J-R47
QCB32HK-561Z
QRX029J-R47
1/2W
QEZ0203-107
QCB32HK-561Z
RU4AM-LFM1
1/4W
RU3AM-LFC4
RU3AM-LFC4
CP
ICP-N38-T
QCZ9079-102
QQR1114-001Z
QGA7901C1-02
QCB32HK-561Z
QC
S3
2H
J-1
80
Z
VIN
VO
GN
D
CO
NT
QU
Y1
60
-05
0Y
L2
44
J-2
20
Z
VO
NC
GN
D
CN
CO
NT
SU
B
VIN
VIN
VO
GN
D
CO
NT
VIN
VO
GN
D
CO
NT
QR
L0
29
J-1
50
N
QR
E1
21
J-2
22
Y
QR
E1
41
J-2
21
Y
QR
E1
21
J-2
22
Y
QR
E1
21
J-2
22
Y
QF
LC
1H
J-4
71
Z
MC
QF
KC
2E
K-1
04
Z
FR
10
5S
GT
-T2
MA
80
75
/H/-
X
MT
ZJ3
6A
-T2
QR
L0
29
J-4
73
QC
Z0
36
4-2
22
ER
B0
6-1
5E
-F1
0.1
X
X
X
X
*
3.3K
6800p
X .1
X
X
*3
*
.0033
12K
1.8K
220K
68K
X
X
6.8K
X
.022
X
X
1.8K
X
X
*9
47/35
X
*9
*3
*3
*
X
X
1000/35
0.18/50
12K
X
*
*7
X
8.2K
*
X
*
X
10K
1
X
*9
X
X
X
*
BW
BW
X
X
XX
X
X
X
X
15K
X
X
X
1.8K
X
X
*3
X
X
X
X
X
47/35
.01
100/16
47/35
3.3/50
X
X
*3
*3
22K
8.2M
22K
100/16
*1
220/35
X X
X
X
5.6K
1000pF
*9
1K
270K
*9
BW
22/35
*
*
XX
*9
X X
.1
4.7/250
100K
X
*7
BW X
X
0
X
2200/35
X
X
X
X
X
22
470
*3
X
X
1K
*1
*1
10K
2.2K
X
.1
X
X
X
X
47/35
*
2200/10
*
3.3K
X
*7
2200/25
*
X
X
2.2K
1000/25
18K
10/250
1000/25
*3
*
1K
100
*9
47/35
*
2.2
K
10
0/1
6
XXX X
6.8
K
.1
47
0/1
0
XXX
2.2
K
X
10
0
15
0
15
0
15
0
XX
22
/50
0.0
01
X
*9 *9 *9
5V
PROTECT
3.3V_STB
12V
12V
32V
PROTECT
3.3V_STB
P_ON/OFF
5V
8V
12V
8V
P_ON/OFF
32V
H_DRIVE
5V
H_DRIVE
c21244001a.001_2/2
MAIN PWB ASS'Y (3/4)
SCW-1901A-H2 [AV-2186ME]
SCW-1911A-H2 [AV-21MX56/S]
SCW-1908A-H2 [AV-21MX76/G]
MAIN PWB ASS'Y (4/4)(CRT SOCKET)SCW-1901A-H2 [AV-2186ME]SCW-1911A-H2 [AV-21MX56/S]SCW-1908A-H2 [AV-21MX76/G]
AC110V-AC240V
50Hz/60Hz
DEG COIL
DEF YOKE
MA
IN P
WB
(1/4
) S
HE
ET
1 C
N00T
OPEN
ADJUSTMENT
CONNECTOR
MAIN PWB (1/4) SHEET1
MAIN PWB CIRCUIT DIAGRAM [AV-2186ME, AV-21MX56/S, AV-21MX76/G] (3/4), (4/4) SHEET 2
Note: 1. Please refer to page 2-25 for voltages of this circuit diagram.
2. Please refer to page 2-26 for waveforms of this circuit diagram.
2-12(No.YA442)(No.YA442)2-11
!
R753
C764
C766
R601
R101
C007
C008
C101
C753
C752
C751
R782
R004
R729
D101
C780
C750
C749
C748
L101
C746C109
R107
Y004
L716
C808
SF101L002
NECK
LC803
R755
R002
C107
SF102
R001
C004
J801
C003
R766
R767
C001
C106
R824
J803
C793
R825
Y813
R804
LC802
IC601
Y804
Y803
R806
Y806
Y805
LC804
Y706
J802
D813
D605
Y814
C760
D603
Y710
IC301
R319
C314
D301
D810
C305C304
D811
D812
L301
R309
R312
C311
L305
R728
R726
R727
CN00T
C705
C757
C756
C718
C806
C302
C754
C755
R732
R733
R734
R735
C310
C758
C704
X701
C709
C712
R779
Q791
D604
C761
C309
R780
IC701
R005
C005
C706
R731 D708
R701C710
C711
C762
R708
C308
R709
D701
Y720
R307
Y717
C713
R702
C714
C707
C708
R705
R703
R704
C716
C715
R706
R707
C719
C720
Y715
TU001
CF101
R617
D602
C605
C606
R607
Y713
R637
R638
R639
D610
R611
Q602
R610
C609
Q601
R609
C607
C608
R623 R620
Q608
Q607
R621
C613R624
R622
R314
R812
C802
C803
R310
R811
R813
Q803
Q804
Q805R814
C306
Q801
R807
L302
R313
C313
LC801
R344
CN10A
C312
D341
CF702
D342
D343
L306
D345
Q307
Y909
J804
L706
R318
C315
L304
R801
R781
3.3V_STB
8V
5V
Y802
Y801
R805
Y722
R961
R649
Y703
Y702 Y824
C617
K701
C763
CN00C
Y712
32V
C809
Q982
C831
C827
C828
C829
C830
Q984
R809
C786
C787
C788
CN00M
Y708
C810
R817
Y718
Q704
R796
D713
Y812
Y721
Y003
L703
C702
C701
C773
R790
Y008
R793
Q707Q708
12V
C777
R760
R761
C341
Q341
Q706
R816
Q701
Q705
GND
J805
R795
R794
R783
C792
D707
R634 R635 R636
R602
Y912
R662
Y610
Y611
W-C
Y942
Y705
GND GND
CF701
C318
D717
D716
C825 C826
D715
K104
C717 R721
R720
Y941
A_VCC
A_GND
Y943
C779
C804
R815
Y944
Y704
Y714
VDRA+
VDRB-
EW
H_DRIVE
P_ON/OFF
HFB
ABL
PROTECT
Y707
GND GND
3.3V
C784
K702
IC801
K651
Y716
R823
R822
R327
LC805
Y810Y809
IC701
W-X
J809
R630
R631R633
R632
CN00S
R778
Y968
Y962
R821 R820 R819 R818
S801S802S803S804S805
Y961
GND
D609
GND
R640
C661
W-Y
Q983
C111
R981R982R983R984
W-C1
W-G W-G1
K102
K105
D753
C785
Y101
C778D706
R985
R986
L718
Y711
Y709
GNDGND
C615
R976
D608
J808
D808
R724
R792
C616
C317
C790
Q702
R725
R722 R723
C722
IC302
CP650
Y819
C110
R756
C823
C824
D607
D751
C662
C821
C822
D814
J806
J807
D817
CN00A
C807
Q101
L001
R105
R106
R104
R108
C102
R102
R103
Q102
Q103
C743
C742
R716
C108
C103
C104
R110
C105
R777
C740
C737
C006
C736
R003
R109
C002
C721
R715
C723
C724 C
727
C728
R710
C739
C738
C725
C726
C729
C732 R
738
R741
R742
R744
Q612
R747
R749
R751
R752
R754
R771
R757
R317
R316
C703
C767
R315
C775
L303
C731
C734
C730
C303
X301
C768
R745
R743
R758
R759
C771
C772
D709
C776
R750
C770
R618
C601
C655
C656
C602
R605
R604
C603
C604
R606
R308
D606
D710
R612
R613
R614
R619
R615
C610
Q603
Q604
Q605
Q606
Q306
Q305
R810
R311
C307
R320
C741
R321
C316
R718
R713
R711
C781
C782 R
739
R737
K103
R762
R763
R764
R765
R712
R714
C735
R717
D703
D702
D704
R719
L003
R736
K101
C783
R789
R772
IC702
R748
D714
Y964
Y963
D102
C612
C611
R625
C744
C745
R740
R776
R770
R769
R785
R768
R774
R773
R775
Q981
R787
W-A
1
L701
L702
Q609
C614
C795
C794
Q610
Q611
D982
D981
W-A
D711
D712
R786
CH
CH
MC
1SS356-X
QQL244K-1R0Z
MC
MC
MC
MC
MC
QAX0872-001QQL244J-4R7Z
QQR1199-002
MC
QAX0731-001
QNZ0454-002
MC
CH
QNN0348-001
QRE141J-470Y
QQR1199-002
AN5277
QQR1199-002
QUY160-250Y
QNN0349-002
CLKOUT
GP01
HSP
VSP
VSS33PAD
VDD33PAD
INTR
SCL
SDA
I2C2
I2C1
FSW
IN3
IN2
IN1
VDD18ADC
VSS18ADC
CVBS1
TEST
CVBS2
TM
CVBS3
NC NC NC
NC
NC
NC
NC
NC
NC NC NC
NC
NC
NC
NC
MC
MC
MC
QJL001-064431-E
CH
CH
MC
TF
QFZ0229-154Z
CH
QAX0799-001Z
MC
TF
1/4W
MC
INSSW3
Uout/INSSW2
VssP2
VssC4
V1.8C4
V3.3A3
VrefP_Sdac
VrefN_Sdac
VrefP_Sdac
VrefN_Sdac
VrefP_Sdac
XtalIn
XtalOut
VssA1
NECK
CONT
V5P1
Ph2
Ph1
Gnd1
SecPll
Dec8G
EW
VDRB-
VDRA+
Vif1
Vif2
Vsc
Iref
GndIF
Sif1
Sif2
AGC
EHT SVM
FbiSo
Hout
VssComb
V5Comb
Vin/R2/Pr
Uin/B2/Pb
Yin/G2/Y
Ysync
Yout
NC
R3/Pr
G3/Y
B3/Pb
Gnd3
V5P3
BCL
BLKIN
Rout
Gout
Bout
V3.3A1
RefAdN
V3.3RefAdP
RefAd
GndA
V1.8ADC
VssADC
V3.3A2
V1.8A
MC
CH
1/4W
MC
1/4W
QUY160-075Y
MC
MC
MC
MC
MC
IF
NC
32V
LOCK
5V
BM
SDA
SCL
AS
BT
AGC
QAU0383-002TUNER
1/2W
MC
KTA1267/YG/-T
1/2W
MC
QQR1199-002
QJL001-050600-E
QNN0349-001
1/4W
QUY160-150Y
1/4W
QUY160-150Y
QUY160-200Y
QUY160-150Y
QGA2501F1-06
QUY160-050Y
MA8039/H/-X
D
GS
SSM3K02F-X
D
GS
SSM3K02F-X
QUY160-075Y
QUY160-150Y
CH
MC MC
QQR1114-001Z
QUY160-200Y
QUY160-075Y
QUY160-050Y
QUY160-075Y
QQR1113-001Z
REMOTECONRECEIVER
GP1UE281QKVF
QQR1113-001Z
QUY160-150Y
SCW-1902A
H/N1F00TDA12010
Refer to NOTE Refer to NOTE
SCW-1903A
SCW-1905A
QUB230-22ZAZA-E
QQR1199-002
QNS0155-001
1/2W 1/2W
QGA2501C5-04Z
QUY160-100Y
QSW0619-003ZQSW0619-003ZQSW0619-003ZQSW0619-003ZQSW0619-003Z
QUB230-10ZAZA-E
1/4W
QETN1CM-107Z
2SA562TM/Y/-T
1/2W1/2W
QUB230-16ZAZA-E
QUB230-12ZAZA-E
QUY160-150Y
QUY160-150Y
QUY160-075Y
MA8036-X
QUY160-150Y
QUY160-050Y
1/4W
QNN0282-001
LH22440-T16
1/4W CH
ECOS9648
CP
ICP-N25-T
MC
MC
NCB31HK-152X
NCB31HK-152X
QNN0281-003
QNN0281-002
QJL001-050600-E
2S
C5397/C
D/-
T
MC
NC
NC
NC
NC
NC
NC
NC
NC
RIN
BIN
RF
GN
D
LIN
NC
B_M
UT
E
L_O
UT
L_R
_M
UT
E
GN
D_B
VC
C
B_O
UT
ST
B
RO
UT
MC
XO
UT
XIN
VS
S18
VD
D18
GP
00
SE
L
OU
T3
OU
T2
OU
T1
VS
S33D
AC
VD
D33D
AC
CV
B4
VS
S33A
DC
VD
D33A
DC
YIN
UIN
VIN
RE
SE
T
VD
D18
VS
S18
PO
R
GP
02
1/4
W
1/4
W
SC
LO
SD
AO
P12/Int2
VssC
3
V1.8
C3
P25/P
WM
4
S_V
_D
ET
L3
R3
L_O
UT
R_O
UT
DecsD
em
QssO
/Am
O/A
udeE
m
Gnd2
PllI
f
SifA
gc
IfV
o/F
mR
o/D
vbO
NC
V8A
udio
Sw
itches
AgcS
sif
V5P
2
V_O
UT
L1
R1
V3
C4
Audio
2In
L
Audio
2In
R
V2/Y
L2
R2
Y3/C
vbs
C1
A_L
A_R
HP
_L
HP
_R
CV
BS
O/P
IP
VssC
1+
P1
VD
O_D
ET
KE
Y_IN
DecV
1V
8
V1.8
C1
EC
O_IN
PR
OT
4.5
/OT
HE
R
A_M
UT
E
3.5
8/O
TH
ER
RO
TA
TIO
N
V3.3
P
SD
A
SC
L
PO
WE
R
P00/I2S
DI1
S_R
ED
UC
E
VE
R_P
RO
TE
CT
TIM
ER
TIM
ER
VssC
2
V1.8
C2
PW
_LE
D
RE
MO
TE
PW
_LE
D
Ssif/R
efIn/A
vl/R
efO
ut
CH
1/2
W
1/4
W
1/4
W
R0601-0
01Z
L244J-4
R7Z
R1114-0
01Z
A0
A1
A2
VS
S
VC
C
WP
SC
L
SD
A
MA
8030/H
/-X
QU
Y160-1
50Y
1S
S356-X
1/4
W
2S
A562T
M/Y
/-T
L231J-5
R6Y
L231J-5
R6Y
QF
LC
1H
J-3
32Z
QF
LC
1H
J-3
32Z
UD
ZS
2.0
B-X
UD
ZS
2.0
B-X
1.2K
X
.22
3K
10
56p
56p
.0047
.1
.1
.1
1.2K
27K
X
.1
X
X
X
.1.0047
4.7K
0
*4
100/16
1.2K
220
.01220
470/16
.1
X
X
.01
18p
470
10/50
X
75
X
X
75
X
X
*8
X
0
.22
*3
BW
X
X
X
X
*8
XX
*8
*8
X
X
X
X
X
100
27K
560
7p
560p
.1
X
X
.1
220/16
1K
100
100
100
X
.22
.1
.01
.22
100
*1
X
.1
X
100
*
75
.0022
7p
1K *3
12K6800p
2.2/50
100/16
10K
X
1M
*3
X
X
10/50
X
.022
.1
100/16
39K
100
100
.001
.001
220
22K
.01
.001
X
X
X
X
.22
.22
2.2
X
X
0
X
0
*3
10K
*2
100K
33/50
*2
27K
220/16
220/16
33K 10K
*1
*1
2.2K
10/5068K
10K
X
390
10/50
10/50
X
82K
82K
*6
*6
*2100K
X
100
X
X
X
22
X
*3
X
*3
*3
X
*3
X
X
*4
X
X
X
75
100
X
X
75
10K
1K
X
X
X
X
X
*1
0
0
0
0
0
*1
220
.1
.1
.1
X
X
X
*1
10K
X
X
X
*4
.22
.22
.1
1K
X
100
*1*2
.1
220
220
100/16
*2
75
X
X
100K
2.2K
10K
0.1
*3
390 X 390
3K
X
X
X
X
X
X
*3
*3
.0015 .0015
*3
1/50 47K
68K
X
10/50
470/16
75
X
1/50
X
1K
39K
*
XX
XX
270
1K1K
270
X
X
470 330 220 180
X
X
XX
1K
220/16
3.947K3.947K
*8
2.2
47/35
4.7K
4.7K
*4
1000/25
1K
X
X
33
1000/25
10/50
27p
X
X
X X
X
BW
.1
10K
.0015
.0015
*3
*8
10/50
*8
*8
.1/1
6
X
22
100
180
2.2
K
.0047
6.8
K2.7
K
*5
*5
10/5
0
10/5
0
5.6
K
.0047.0
047
10/5
0
2.2
K
.0047
100
.1.1
33/5
0
.01
3.9
K
2.2
K
10/5
0
X
390
1 1
3300p
.1
X
1
1
.1
10/5
0
2.2
/50
2.2
/50
100
220
220
220
*1100
1K
100
100
220
1K
4.7
K
X X
470/1
0
.22
X
220/1
6
X
.1 .1
22/5
0
X
X
.22
3.3
K
3.3
K
3.3
K
3.3
K
22/5
0
.22*3
.1
10K
.1
10K
10/5
0
X
100/5
0
10/5
0
X10K
.22
.22
2.2
X
*8
100K
X
100K
XX
220/1
6
*6 X *6
X
X
X
390
XX
X
.1
X X
5.6
K
5.6
K
5.6
K
1 1 100
100
220
220
220
220
10K
10K
.1
10K
*8
*8
*8
10K
100
1/5
0
X
5.6
K2.7
K
X
XX
X
.1
.1
15K
15K
00
4.7
K
100
5.6
K
10K
10K
4.7
K
*6
X
X *6
*3 *3
75
L2
R2
SDA
SCL
C1
5V
5V
SCL0
SDA0
GND
PW
R_OUT
P_R
NECK
5V
5V
3.58/OTHER
PB
SDA
R1
Y
GND
PB
GND
VDO_DET
L_OUT
GND
S_V_DET
1.8V
SCL
U
12V
PR
SCL
GND
GND
V_OUT
8V
V
A_VCC
V2/Y
GND
PR
SDA
3.3V_STB
4.5/OTHER
P_ON/OFF
CVBSO/PIP
A_GND
P_ON/OFF
L1
EW
VDRB-
VDRA+
Y1/CVBS1
V2/Y
NECK
CONT
A_B
H_DRIVE
HFB
SCL0
SDA0
12V
BASS
A_GND
5V
GND
3.3V
PROTECT
3.3V_STB
V1.8A
3.3V
NECK
5V
CONT
EW
VDRA+
ABL
VDRB-
5V
1.8V
12V
3.3
V_S
TB
S_V
_D
ET
L2
R_A
OU
T
R2
3.3
V
PW
_LE
D
P_L
L3
EC
O_IN
R_O
UT
L_O
UT
8V
PW
_LE
D
S_R
ED
UC
E
3.5
8/O
TH
ER SD
A
V3
GN
D
OF
F_M
UT
E
PW
H_D
RIV
E
5V
VD
O_D
ET
CV
BS
O/P
IP
12V
RE
MO
TE
A_M
UT
E
GN
D
Y1/C
VB
S1
V2/Y
V_O
UT
EC
O_IN
R3
L3
P_O
N/O
FF
AB
L
1.8
V
1.8
V 5V
PR
OT
EC
T
A_R
B_M
UT
E
RE
MO
TE
A_B
5V
5V
HF
B
1.8
V
OF
F_M
UT
E
V1.8
A
R3
GN
D
KE
YIN
A_M
UT
E
SD
A
12V
V3
AB
L
P_L
L1
GN
D
4.5
/OT
HE
R
SC
L
5V
P_R
BA
SS
A_L
KE
YIN
3.3
V_S
TB
3.3
V
S_R
ED
UC
E
A_R
A_L
GN
D
L_A
OU
T
5V C1
R1
GN
D
SC
L
GN
D
R_A
OU
T
L_A
OU
T
A_G
ND
B_M
UT
E
A_V
CC
Y
12V
UV
c21243001a.001_1/2
MAIN PWB ASS'Y (1/4)
SCW-1903A-H2 [AV-21MS16/H]
SCW-1902A-H2 [AV-21MS26]
MAIN PWB ASS'Y (2/4) (FRONT LED)
SCW-1903A-H2 [AV-21MS16/H]
SCW-1902A-H2 [AV-21MS26]
MAIN PWB (4/4) SHEET4
(CRT SOCKET) CN10T
Note: 1. Please refer to parts list for the part number of IC701 and IC702.
2. Please refer to page 2-25 for voltages of this circuit diagram.
3. Please refer to page 2-26 for waveforms of this circuit diagram.
MAIN PWB (3/4)
SHEET4
MAIN MICRO COMPUTER/
TELTEXT DECODE/
IF VIDEO RGB SYNC DEF. PROCESS
POWERLED(RED)
VIDEO-3
INPUT
SPEAKER
VIDEO-1
S-VIDEO
INPUT
VIDEO-2
COMPONENT
VIDEO
INPUT
OPEN
OPEN
AUDIO AMP
BASS PWB
SHEET7 CN00M
MAIN PWB CIRCUIT DIAGRAM [AV-21MS16/H, AV-21MS26] (1/4), (2/4) SHEET 3
(No.YA442)2-13 2-14(No.YA442)
!
!
!
! !!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!!
!
!
!
!
!
!
!
!
L951
C950
CP951
Y953
D595
K954
Y503
L551
C953
R951
L421
C423
C954
C952
IC972
C581
Y972
R350
D555
D972
R582
C521
R430
R554
R474
Y952
C555
R473
R977
Q521
Y505
R523
IC921
D928
R434
R438
L530
PC901
C951
C522
IC971
Y504
CN0HV
C926
R953
R440
C965
C995
D551
C980
R952
CN00U
LF902
D926
D971
D973
R431
D424
W-B
R591
C424
Y502
D423
C427
C431
SCREEN
R426
C901
Q461
R583
CP953K953
D954
R581
LF901
C959
IC973
C435
C436
C524
Q373
C902
R472
R448
T522
Q372
IC401
IC975
D523
R527
Q371
CN00X
R962
R371
D962
C525
CN10U
R926
Y911
Y910
CN00D
D593
C593R594
R372
D927
R373
R377
Q591
R902
R927
R375
D372
D554
Q374
R970
R376
D571
C371
D976
Y954
R901
D371
C903
C905
CN00B
R525
D950
C964
C962
C573
C922
C430
T921
C572
Q572
HS522
D970
C977
C529
C910
R910
C994
D592
C591
VA901
S901
F901RY901
Q571
CNDEGTH901
D956
D957
R964
R991
R963
C966
Q955
C428
SG351 SG353
SG352
SG354
IC351
C358
SK351
SK351
R923
R358
R360
R359
C993
D530
R573
Y572
T521
R471
D921
Y951
C921
K921
C925
R433
C592R593
D581
D591
Y957
R592
C924
C352
Y570
CN10T
Y571
R369
K356
Y966Y965
K955
D955
Y960
Y958 Y970
W-X
Y971
GND GND
CP954
Q522
C955
CP955
C960
W-X1
W-Y
W-Y1
W-D
GND GND
W-E
GND
GND
GND
Y361
GND
R522
R924
R528
C963
D520
R431
Y967
R433
R569 R571
T522
Y570
R978
Q422
Q421
R421
L551
R575
R530
C525
C520
R461
R462
C531
L521
C527
R524
C523
C528
R965
C582
C957
T921
C904
C524
Y571
R957
Y572
C992
D924
D925
D923
Y951
IC951
Y957
K952
Y965
Y966
C956
D953
R533
C958
C582
C916
R570
R572
C553
D901
R552
C530
R551
R574
C532
C571
C554
C551
D975
D951
C527
R521
R520
D552
D522
D952
CP952
C991
C967
K951
CN0PW
L522
C552
C4
22
P_
ON
/OF
F
NE
CK
CN
0E
3
Y9
55
R4
11
L3
51
3.3
V
C9
73
Y9
08
Y9
05
Y9
06
Y9
07
R4
27
C9
72
C5
26
HF
B
C9
71
AB
L
H_
DR
IVE
R9
71
Y9
04
Y9
02
CN
0E
4
Y9
01
R4
12
GN
D
12
V
TP
-47
G
Y9
03
R3
55
R9
22
R3
56
R3
57
R3
51
R3
54
R3
53
R3
52
R3
81
C9
23
R3
80
C4
71
R4
32
C3
51
C3
53
TP
-47
B
D3
70
D3
54
D3
55
D3
56
D3
51
TP
-47
R
PR
OT
EC
T
3.3
V_
ST
B
A_
GN
D
A_
VC
C
D3
50
8V
5V
32
V
CN
0E
1
CN
0E
2
VD
RB
-
EW
VD
RA
+
C9
06
D9
22
R9
21
C9
15
D5
21
QQLZ026-460
MC
CP
QMFZ052-2R0-E
QCB32HK-471Z
1/4W
QUY160-050Y
MC
QCB32HK-471Z
PQ033RDA1SSH
QUY160-050Y
1/2WQRE121J-154Y
QUY160-050Y
MY
QFLC2AJ-103Z
1/4W
QRL039J-120
H_DRIVE2SC2655/Y/-T QRL029J-271
D
NC
S/GND
VCC
FB
SS/ADJ
BD
STR-W6554A-F5
QQL244K-220Z
PS2581AL1/QW/
QCZ0364-152
MY
MM1563DF-X
HV
QGZ5003C1-04
1/4W
QRG01GJ-221
QJL001-043224-E
SCW-1902A
QQR0673-004
1/2W
1SR35-400A-T2
QUB230-08ZAZA-E
QFLC2AJ-683Z1N4003SG-T2
TF
QFZ9072-224
1/2WQRE121J-274Y
CP
ICP-N75-T
1/2W
QQR1635-001
PQ120RDA1SZ
NCF21HZ-334X
NCF21HZ-334X
QFZ9072-224
1/2W
FBT
Vcc -Vcc
PUMPUP
THERMALPROTECTION
AMP
LA78040N
PQ050RDA1SZ
QRL039J-393
QRL029J-223
MA8330/M/-X
QJL001-043224-E
QRE121J-150Y
MA8180/M/-X
QRL029J-683
1/4W
MA8051/L/-X
1/4W
MA8075/H/-X
QUY160-125Y
QRF154K-2R2
QCZ9015-102Z
QCZ9015-102Z
QGA2501C5-03Z
MC
QFLC2AJ-563Z
UN2226-X
LC31722-001B
MA8082/M/-X
QENC2AM-225Z
QFZ9072-224QRZ0107-474ZQAF0060-621
QSW0846-001
QMF51E2-4R0-SQSK0061-002
2SA1208/ST/Z1-T
QGZ5003C1-02
QAD0134-4R5
QRZ9046-825Z
TDA6107AJF/N1
QCZ0121-472
QNZ0536-002
QNZ0536-002
1/4W
QRZ0107-152Z
QRZ0107-152Z
QRZ0107-152Z
AC250VQCZ9079-102
QQR1522-001
QCZ0364-561
QQR1114-001Z
1/2W
MC
QJL001-064431-E
1/2W
FMX-G12S
QUY160-125Y
CP
TT2190LS-YB11
QCB32HK-471Z
CP
ICP-N75-T
QUB230-10ZAZA-E
QUB230-12ZAZA-E
QUY160-050Y
SCW-1903A
SCW-1905A
1/2W
QRA14CF-3902Y
1/2W
QCZ0364-102
QRE121J-271Y
QRE121J-271Y
QUY160-150Y
QRE121J-330Y -330Y
QRE121J
QQH0188-001
QRZ0225-2R2
-001QQH0188 QQH0214
-001
QUY160-100Y
QUY160-100Y
1/4W
QQLZ026-280
QQLZ026-280 -140
QQLZ026
QRZ9017-270
QFZ0196-472 -472
QFZ0196 QFZ0196-542
QFZ0197-124 -124
QFZ0197
1/2W
-114QFZ0197
QFZ0197-124
QRL039J-470
QFP32GJ-393
-124QFZ0197
QRT029J-R47
-154QFZ0197
QQS0271-001 -001
QQS0385 QQS0271-001
QCZ9015-102Z
QFZ0196-232 -232
QFZ0196-202
QFZ0196
QUY160-125Y
QUY160-125Y
1/2W
QUY160-125Y
QUY160-125Y
QCZ9079-102
QUY160-100Y
MTZJ9.1C-T2
MTZJ9.1C-T2
QUY160-100Y
QUY160-100Y
QUY160-100Y
SE135N
QUY160-050Y
QUY160-
050Y
SCW-1902A
QUY160-050Y
QUY160-050Y
SCW-1903A
SCW-1905A
QEZ0203-107
RU3AM-LFC4
QRZ9017-4R7
1/2W
GSIB460-S1
QRX029J-R47
QCB32HK-561Z
QRX029J-R47
1/2W
QEZ0203-107
QCB32HK-561Z
RU4AM-LFM1
1/4W
RU3AM-LFC4
RU3AM-LFC4
CP
ICP-N38-T
QCZ9079-102
QQR1114-001Z
QGA7901C1-02
QQR1005-004
QCB32HK-561Z
QC
S3
2H
J-1
80
Z
VIN
VO
GN
D
CO
NT
QU
Y1
60
-05
0Y
L2
44
J-2
20
Z
VO
NC
GN
D
CN
CO
NT
SU
B
VIN
QF
Z0
19
6-2
02
VIN
VO
GN
D
CO
NT
VIN
VO
GN
D
CO
NT
QR
L0
29
J-1
50
N
QR
E1
21
J-2
22
Y
QR
E1
41
J-2
21
Y
QR
E1
21
J-2
22
Y
QR
E1
21
J-2
22
Y
QF
LC
1H
J-4
71
Z
QR
X0
1G
J-2
R2
MC
QF
KC
2E
K-1
04
Z
FR
10
5S
GT
-T2
MA
80
75
/H/-
X
QE
Z0
47
6-2
27
MT
ZJ3
6A
-T2
QR
L0
29
J-4
73
QC
Z0
36
4-2
22
ER
B0
6-1
5E
-F1
0.1
X
X
X
X
*
3.3K
6800p
X .1
X
X
*3
.0033
12K
1.8K
220K
68K
X
X
6.8K
X
.022
X
X
1.8K
X
X
*9
47/35
X
*9
*3
*3
*
X
X
1000/35
0.18/50
12K
X
*7
X
8.2K
X
*
X
10K
1
*
X
*9
X
X
X
*
BW
BW
X
X
XX
X
X
X
X
15K
X
X
X
1.8K
X
X
*3
X
X
X
X
X
47/35
.01
*
100/16
47/35
3.3/50
X
X
*3
*3
22K
8.2M
22K
100/16
*1
220/35
X X
X
X
5.6K
1000pF
*9
1K
*
270K
*9
*
22/35
*
XX
*9
X
*
X
.1
4.7/250
*
X
100K
X
**
*7
BW X
X
0
X
2200/35
X
X
X
*
22
470
*3
X
X
X
X
1K
*1
*1
10K
2.2K
.1
X
X
X
X
47/35
2200/10
X
3.3K
X
X
X
X
X
*7
X
*
2200/25
*
X
X
2.2K
1000/25
18K
10/250
1000/25
*3
*
1K
100
*9
47/35
2.2
K
10
0/1
6
XXX X
6.8
K
.1
47
0/1
0
XXX
2.2
K
X
10
0
15
0
15
0
15
0
XX
22
/50
0.0
01
X
*9 *9 *9
5V
PROTECT
3.3V_STB
12V
12V
32V
PROTECT
3.3V_STB
P_ON/OFF
5V
8V
12V
8V
P_ON/OFF
32V
H_DRIVE
5V
H_DRIVE
c21243001a.001_2/2MAIN PWB ASS'Y (3/4)
SCW-1903A-H2 [AV-21MS16/H]
SCW-1902A-H2 [AV-21MS26]
MAIN PWB ASS'Y (4/4)
(CRT SOCKET)
SCW-1903A-H2 [AV-21MS16/H]
SCW-1902A-H2 [AV-21MS26]
AC110V-AC240V
50Hz/60Hz
DEG COIL
Note: 1. Please refer to page 2-25 for voltages of this circuit diagram.
2. Please refer to page 2-26 for waveforms of this circuit diagram.
MAIN PWB (1/4) SHEET3
DEF YOKE
MA
IN P
WB
(1/4
) S
HE
ET
3 C
N00T
OPEN
ADJUSTMENT
CONNECTOR
MAIN PWB CIRCUIT DIAGRAM [AV-21MS16/H, AV-21MS26] (3/4), (4/4) SHEET 4
2-16(No.YA442)(No.YA442)2-15
!
R753
C764
C766
R601
R101
C007
C008
C101
C753
C752
C751
R782
R004
R729
D101
C780
C750
C749
C748
L101
C746C109
R107
Y004
L716
C808
SF101L002
NECK
LC803
R755
R002
C107
SF102
R001
C004
J801
C003
R766
R767
C001
C106
R824
J803
C793
R825
Y813
R804
LC802
IC601
Y804
Y803
R806
Y806
Y805
LC804
Y706
J802
D813
D605
Y814
C760
D603
Y710
IC301
R319
C314
D301
D810
C305C304
D811
D812
L301
R309
R312
C311
L305
R728
R726
R727
CN00T
C705
C757
C756
C718
C806
C302
C754
C755
R732
R733
R734
R735
C310
C758
C704
X701
C709
C712
R779
Q791
D604
C761
C309
R780
IC701
R005
C005
C706
R731 D708
R701C710
C711
C762
R708
C308
R709
D701
Y720
R307
Y717
C713
R702
C714
C707
C708
R705
R703
R704
C716
C715
R706
R707
C719
C720
Y715
TU001
CF101
R617
D602
C605
C606
R607
Y713
R637
R638
R639
D610
R611
Q602
R610
C609
Q601
R609
C607
C608
R623 R620
Q608
Q607
R621
C613R624
R622
R314
R812
C802
C803
R310
R811
R813
Q803
Q804
Q805R814
C306
Q801
R807
L302
R313
C313
LC801
R344
CN10A
C312
D341
CF702
D342
D343
L306
D345
Q307
Y909
J804
L706
R318
C315
L304
R801
R781
3.3V_STB
8V
5V
Y802
Y801
R805
Y722
R961
R649
Y703
Y702 Y824
C617
K701
C763
CN00C
Y712
32V
C809
Q982
C831
C827
C828
C829
C830
Q984
R809
C786
C787
C788
CN00M
Y708
C810
R817
Y718
Q704
R796
D713
Y812
Y721
Y003
L703
C702
C701
C773
R790
Y008
R793
Q707Q708
12V
C777
R760
R761
C341
Q341
Q706
R816
Q701
Q705
GND
J805
R795
R794
R783
C792
D707
R634 R635 R636
R602
Y912
R662
Y610
Y611
W-C
Y942
Y705
GND GND
CF701
C318
D717
D716
C825 C826
D715
K104
C717 R721
R720
Y941
A_VCC
A_GND
Y943
C779
C804
R815
Y944
Y704
Y714
VDRA+
VDRB-
EW
H_DRIVE
P_ON/OFF
HFB
ABL
PROTECT
Y707
GND GND
3.3V
C784
K702
IC801
K651
Y716
R823
R822
R327
LC805
Y810Y809
J809
R630
R631R633
R632
CN00S
R778
Y968
Y962
R821 R820 R819 R818
S801S802S803S804S805
Y961
GND
D609
GND
W-C1
W-G W-G1
R640
C661
Q983
C111
R981R982R983R984
D753
C785
C778D706
R985
R986
L718
K102
K105
C006
C615
R976
D608
TU001
J808
D808
R724
R792
C616
C317
C790
Q702
R725
R722 R723
C722
SF101
IC302
CP650
Y819
C110
R756
C823
C824
D607
D751
C662
Y101
Y711
Y709
C821
C822
D814
J806
J807
IC701
GNDGND
D817
CN00A
C8
07
Q1
01
L0
01
R1
05
R1
06
R1
04
R1
08
C1
02
R1
02
R1
03
Q1
02
Q1
03
C7
43
C7
42
R7
16
C1
08
C1
03
C1
04
R1
10
C1
05
R7
77
C7
40
C7
37
C0
06
C7
36
R0
03
R1
09
C0
02
C7
21
R7
15
C7
23
C7
24 C
72
7
C7
28
R7
10
C7
39
C7
38
C7
25
C7
26
C7
29
C7
32 R
73
8
R7
41
R7
42
R7
44
Q6
12
R7
47
R7
49
R7
51
R7
52
R7
54
R7
71
R7
57
R3
17
R3
16
C7
03
C7
67
R3
15
C7
75
L3
03
C7
31
C7
34
C7
30
C3
03
X3
01
C7
68
R7
45
R7
43
R7
58
R7
59
C7
71
C7
72
D7
09
C7
76
R7
50
C7
70
R6
18
C6
01
C6
55
C6
56
C6
02
R6
05
R6
04
C6
03
C6
04
R6
06
R3
08
D6
06
D7
10
R6
12
R6
13
R6
14
R6
19
R6
15
C6
10
Q6
03
Q6
04
Q6
05
Q6
06
Q3
06
Q3
05
R8
10
R3
11
C3
07
R3
20
C7
41
R3
21
C3
16
R7
18
R7
13
R7
11
C7
81
C7
82 R
73
9
R7
37
K1
03
R7
62
R7
63
R7
64
R7
65
R7
12
R7
14
C7
35
R7
17
D7
03
D7
02
D7
04
R7
19
L0
03
R7
36
K1
01
C7
83
R7
89
R7
72
IC702
R7
48
D7
14
Y9
64
Y9
63
D1
02
C6
12
C6
11
R6
25
C7
44
C7
45
R7
40
R7
76
R7
70
R7
69
R7
85
R7
68
R7
74
R7
73
R7
75C
79
4
C7
95
Q9
81
R7
87
W-A
1
L7
01
L7
02
Q6
09
C6
14
Q6
10
Q6
11
D9
82
D9
81
W-A
D7
11
D7
12
R7
86
CH
CH
MC
1SS356-X
QQL244K-1R0Z
MC
MC
MC
MC
MC
QQL244J-4R7Z
QQR1199-002
MC
QAX0731-001
QNZ0454-002
MC
CH
QNN0348-001
QRE141J-470Y
QQR1199-002
AN5277
QQR1199-002
QUY160-250Y
QNN0349-002
CLKOUT
GP01
HSP
VSP
VSS33PAD
VDD33PAD
INTR
SCL
SDA
I2C2
I2C1
FSW
IN3
IN2
IN1
VDD18ADC
VSS18ADC
CVBS1
TEST
CVBS2
TM
CVBS3
NC NC NC
NC
NC
NC
NC
NC
NC NC NC
NC
NC
NC
NC
MC
MC
MC
QJL001-064431-E
CH
CH
MC
TF
QFZ0229-154Z
CH
QAX0799-001Z
MC
TF
1/4W
MC
INSSW3
Uout/INSSW2
VssP2
VssC4
V1.8C4
V3.3A3
VrefP_Sdac
VrefN_Sdac
VrefP_Sdac
VrefN_Sdac
VrefP_Sdac
XtalIn
XtalOut
VssA1
NECK
CONT
V5P1
Ph2
Ph1
Gnd1
SecPll
Dec8G
EW
VDRB-
VDRA+
Vif1
Vif2
Vsc
Iref
GndIF
Sif1
Sif2
AGC
EHT SVM
FbiSo
Hout
VssComb
V5Comb
Vin/R2/Pr
Uin/B2/Pb
Yin/G2/Y
Ysync
Yout
NC
R3/Pr
G3/Y
B3/Pb
Gnd3
V5P3
BCL
BLKIN
Rout
Gout
Bout
V3.3A1
RefAdN
V3.3RefAdP
RefAd
GndA
V1.8ADC
VssADC
V3.3A2
V1.8A
MC
CH
1/4W
MC
1/4W
QUY160-075Y
MC
MC
MC
MC
MC
IF
NC
32V
LOCK
5V
BM
SDA
SCL
AS
BT
AGC
TUNER
1/2W
MC
KTA1267/YG/-T
1/2W
MC
QQR1199-002
QJL001-050600-E
QNN0349-001
1/4W
QUY160-150Y
1/4W
QUY160-150Y
QUY160-150Y
QGA2501F1-06
QUY160-050Y
MA8039/H/-X
D
GS
SSM3K02F-X
D
GS
SSM3K02F-X
QUY160-075Y
QUB230-16ZAZA-E
QUY160-150Y
CH
MC MC
QQR1114-001Z
QUY160-200Y
QUY160-075Y
QUY160-050Y
QUY160-075Y
QQR0601-001Z
REMOTECONRECEIVER
GP1UE281QKVF
QQR1113-001Z
QUY160-150Y
SCW-1910A
SCW-1633A
SCW-1912A
QQR1199-002
QNS0155-001
1/2W 1/2W
QGA2501C5-04Z
QUY160-100Y
QSW0619-003ZQSW0619-003ZQSW0619-003ZQSW0619-003ZQSW0619-003Z
QUB230-16ZAZA-E
QUB230-12ZAZA-E QUB230-12ZAZA-E
1/4W
2SA562TM/Y/-T
1/2W1/2W
MA8036-X
QUY160-150Y
QUY160-150Y
1/4W
QETN1HM-336Z
QETN1HM-336Z
QETN1HM-225Z
QNN0282-001
LH22440-T16
-002QAU0383
1/4W CH
-002QAU0383 QAU0328
-002
ECOS9648
QAX0663-001
QAX0663-001
QAX0872-001
CP
ICP-N25-T
MC
MC
QUY160-075Y
QUY160-150Y
QUY160-050Y
NCB31HK-152X
NCB31HK-152X
QNN0281-003
QNN0281-002
Refer to NOTE Refer to NOTETDA12010H/N1F00
QJL001-050600-E
2S
C5
39
7/C
D/-
T
MC
NC
NC
NC
NC
NC
NC
NC
NC
RIN
BIN
RF
GN
D
LIN
NC
B_
MU
TE
L_
OU
T
L_
R_
MU
TE
GN
D_
B
VC
C
B_
OU
T
ST
B
RO
UT
MC
XO
UT
XIN
VS
S1
8
VD
D1
8
GP
00
SE
L
OU
T3
OU
T2
OU
T1
VS
S3
3D
AC
VD
D3
3D
AC
CV
B4
VS
S3
3A
DC
VD
D3
3A
DC
YIN
UIN
VIN
RE
SE
T
VD
D1
8
VS
S1
8
PO
R
GP
02
1/4
W
1/4
W
SC
LO
SD
AO
P1
2/I
nt2
VssC
3
V1
.8C
3
P2
5/P
WM
4
S_
V_
DE
T
L3
R3
L_
OU
T
R_
OU
T
De
csD
em
QssO
/Am
O/A
ud
eE
m
Gn
d2
PllI
f
SifA
gc
IfV
o/F
mR
o/D
vb
O
NC
V8
Au
dio
Sw
itch
es
Ag
cS
sif
V5
P2
V_
OU
T
L1
R1
V3
C4
Au
dio
2In
L
Au
dio
2In
R
V2
/Y
L2
R2
Y3
/Cvb
s
C1
A_
L
A_
R
HP
_L
HP
_R
CV
BS
O/P
IP
VssC
1+
P1
VD
O_
DE
T
KE
Y_
IN
De
cV
1V
8
V1
.8C
1
EC
O_
IN
PR
OT
4.5
/OT
HE
R
A_
MU
TE
3.5
8/O
TH
ER
RO
TA
TIO
N
V3
.3P
SD
A
SC
L
PO
WE
R
P0
0/I
2S
DI1
S_
RE
DU
CE
VE
R_
PR
OT
EC
T
TIM
ER
TIM
ER
VssC
2
V1
.8C
2
PW
_L
ED
RE
MO
TE
PW
_L
ED
Ssif/R
efI
n/A
vl/R
efO
ut
CH
1/2
W
1/4
W
1/4
W
R0
60
1-0
01
Z
L2
44
J-4
R7
Z
R1
11
4-0
01
Z
A0
A1
A2
VS
S
VC
C
WP
SC
L
SD
A
MA
80
30
/H/-
X
QU
Y1
60
-15
0Y
1S
S3
56
-X
1/4
W
QF
LC
1H
J-3
32
Z
QF
LC
1H
J-3
32
Z
2S
A5
62
TM
/Y/-
T
L2
31
J-5
R6
Y
L2
31
J-5
R6
Y
UD
ZS
2.0
B-X
UD
ZS
2.0
B-X
1.2K
X
.22
3K
10
56p
56p
.0047
.1
.1
.1
1.2K
27K
X
.1
X
X
X
.1.0047
4.7K
0
*4
100/16
*
1.2K
220
.01220
470/16
.1
X
X
.01
18p
470
10/50
X
75
X
X
75
X
X
*8
X
0
.22
*3
BW
X
X
X
X
*8
XX
*8
*8
X
X
X
X
X
100
27K
560
7p
560p
.1
X
X
.1
220/16
1K
100
100
100
X
.22
.1
.01
.22
100
*1
X
.1
X
100
*
75
.0022
7p
1K *3
12K6800p
2.2/50
100/16
10K
X
1M
*3
X
10/50
X
.022
.1
100/16
39K
100
100
.001
.001
220
22K
.01
.001
X
*
X
X
X
.22
.22
2.2
X
X
0
X
0
*3
10K
*2
100K
33/50
*2
27K
220/16
220/16
33K 10K
*1
*1
2.2K
10/5068K
10K
X
390
10/50
10/50
X
82K
82K
*6
*6
*2100K
X
100
X
X
X
22
X
*3
X
*3
*3
X
*3
X
X
*4
X
X
X
75
100
X
X
75
10K
1K
X X
X
X
X
X
*1
0
0
0
0
0
*1
220
0.1/16
0.1/16
0.1/16
X
X
X
*1
10K
X
X
X
*4
.22
.22
.1
1K
X
100
*1*2
.1
220
220
100/16
*2
75
X
X
100K
2.2K
10K
0.1
*3
390 X 390
3K
X
X
X
X
X
X
*3
*3
.0015 .0015
*3
1/50 470
680
X
10/50
470/16
75
X
1/50
X
1K
39K
*
XX
270
1K1K
270
X
X
470 330 220 180
X
X
1K
10/16
220/16
3.947K3.947K
*8
2.2
47/35
4.7K
4.7K
*4
1000/25
1K
X
X
33
1000/25
10/50
27p
X
X
X X
X
BW
.1
10K
.0015
.0015
*3
*8
10/50
*8
*8
.1/1
6
X
22
10
01
80
2.2
K
.00
47
6.8
K2
.7K
*5
*5
10
/50
10
/50
5.6
K
.00
47.0
04
7
10
/50
2.2
K
.00
47
10
0
.1.1
*
.01
3.9
K
2.2
K
10
/50
X
39
0
1 1
33
00
p
.1
X
1
1
.1
10
/50
2.2
/50
2.2
/50
10
0
22
0
22
0
22
0
*11
00
1K
10
0
10
0
22
0
1K
4.7
K
X X
47
0/1
0
.22
X
22
0/1
6
X
.1 .1
22
/50
X
X
.22
3.3
K
3.3
K
3.3
K
3.3
K
22
/50
.22*3
.1
10
K.1
10
K
10
/50
X
10
0/5
0
10
/50
X10
K
.22
.22
2.2
X
*8
10
0K
X
10
0K
XX
22
0/1
6
*6 X *6
X
X
X
39
0
XX
X
.1
X X
5.6
K
5.6
K
5.6
K
1 1 10
0
10
0
22
0
22
0
22
0
22
0
10
K
10
K
.1
10
K
*8
*8
*8
10
K
10
0
1/5
0
X
5.6
K2
.7K
X
XX
X
.1
.1
15
K
15
K
00
4.7
K
10
0
5.6
K
10
K
10
K
4.7
K
*6
X
X *6
*3 *3
75
L2
R2
SDA
SCL
C1
5V
5V
SCL0
SDA0
GND
PW
R_OUT
P_R
NECK
5V
5V
3.58/OTHER
GND
PB
SDA
A_B
R1
Y
GND
PB
GND
VDO_DET
L_OUT
GND
S_V_DET
1.8V
SCL
U
12V
PR
SCL
GND
V_OUT
8V
V
A_VCC
V2/Y
GND
PR
SDA
3.3V_STB
4.5/OTHER
P_ON/OFF
CVBSO/PIP
A_GND
P_ON/OFF
L1
EW
VDRB-
VDRA+
Y1/CVBS1
V2/Y
NECK
CONT
H_DRIVE
HFB
SCL0
SDA0
12V
BASS
A_GND
5V
GND
3.3V
PROTECT
3.3V_STB
V1.8A
3.3V
NECK
5V
CONT
EW
VDRA+
ABL
VDRB-
5V
1.8V
12
V
S_
V_
DE
T
L2
R_
AO
UT
R2
5V
PW
_L
ED
P_
L
L3
EC
O_
IN
R_
OU
T
L_
OU
T
8V
PW
_L
ED
S_
RE
DU
CE
3.5
8/O
TH
ER
SD
A
V3
GN
D
OF
F_
MU
TE
PW
H_
DR
IVE
VD
O_
DE
T
CV
BS
O/P
IP
12
V
RE
MO
TE
A_
MU
TE
GN
D
Y1
/CV
BS
1
V2
/Y
V_
OU
T
EC
O_
IN
R3
L3
P_
ON
/OF
F
AB
L
1.8
V
1.8
V 5V
PR
OT
EC
T
A_
R
B_
MU
TE
RE
MO
TE
A_
B
5V
5V
HF
B
1.8
V
OF
F_
MU
TE
V1
.8A
R3
GN
D
KE
YIN
A_
MU
TE
SD
A
12
V
V3
AB
L
P_
L
L1
GN
D
4.5
/OT
HE
R
SC
L
5V
P_
R
BA
SS
A_
L
KE
YIN
3.3
V_
ST
B
3.3
V
3.3
V
S_
RE
DU
CE
3.3
V_
ST
B
A_
R
A_
L
GN
D
L_
AO
UT
5V C1
R1
GN
D
SC
L
GN
D
R_
AO
UT
L_
AO
UT
A_
GN
D
B_
MU
TE
A_
VC
C
Y
12
V
UV
c21265001a.001_1/2
MAIN PWB ASS'Y (1/4)
SCW-1910A-H2 [AV-21MX16/G]
SCW-1912A-H2 [AV-21MX16/S]
MAIN PWB ASS'Y (2/4) (FRONT LED)
SCW-1910A-H2 [AV-21MX16/G], SCW-1912A-H2 [AV-21MX16/S]
Note: 1. Please refer to parts list for the part number of IC701 and IC702.
2. Please refer to page 2-25 for voltages of this circuit diagram.
3. Please refer to page 2-26 for waveforms of this circuit diagram.
MAIN PWB
ASS'Y(3/4)
SHEET6
MAIN MICRO COMPUTER/
TELTEXT DECODE/
IF VIDEO RGB SYNC DEF. PROCESS
MAIN PWB (4/4) SHEET8
(CRT SOCKET)
CN10T
POWER
LED(RED)
AUDIO AMP
BASS PWB
SHEET7 CN00M
VIDEO-3
INPUT
SPEAKER
VIDEO-1
S-VIDEO
INPUT
VIDEO-2
COMPONENT
VIDEO
INPUT
OPEN
OUTPUT
MAIN PWB CIRCUIT DIAGRAM [AV-21MX16/G, AV-21MX16/S] (1/4), (2/4) SHEET 5
(No.YA442)2-17 2-18(No.YA442)
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L951
C950
CP951
Y953
D595
K954
Y503
L551
C953
R951
L421
C423
C954
C952
IC972
C581
Y972
R350
D555
D972
R582
C521
R430
R554
R474
Y952
C555
R473
R977
Q521
Y505
R523
IC921
D928
R434
R438
L530
PC901
C951
C522
IC971
Y504
CN0HV
C926
R953
R440
C965
C995
D551
C980
R952
CN00U
LF902
D926
D971
D973
R431
D424
W-B
R591
C424
Y502
D423
C427
C431
SCREEN
R426
C901
Q461
CP953K953
D954
R581
LF901
C959
IC973
C435
C436
Q373
C902
R472
R448
T522
Q372
IC401
IC975
D523
R527
Q371
CN00X
R962
R371
D962
CN10U
R926
Y911
Y910
CN00D
D593
C593R594
R372
D927
R373
R377
Q591
R902
R927
R375
D372
D554
Q374
R970
R376
D571
C371
D976
Y954
R901
D371
C903
C905
CN00B
R525
D950
C964
C962
C573
C922
C430
T921
C572
Q572
HS522
D970
C977
C529
C910
R910
C994
D592
C591
VA901
S901
F901RY901
Q571
CNDEGTH901
D956
D957
R964
R991
R963
C966
Q955
C428
SG351 SG353
SG352
SG354
IC351
C358
SK351
SK351
R923
R358
R360
R359
C993
D530
R573
Y572
T521
R471
D921
Y951
C921
K921
C925
R433
C592R593
D581
D591
Y957
R592
C924
C352
Y570
CN10T
Y571
R369
K356
Y966Y965
K955
D955
Y960
Y958 Y970
W-X
Y971
GND GND
CP954
Q522
C955
CP955
C960
W-X1
W-Y
W-Y1
W-D
GND GND
W-E
GND
GND
GND
Y361
GND
T522
R522
R924
R528
C963
D520
CN0PW
Y967
C582
R569 R571
C527
R431
R978
Q422
Q421
R421
R582
R575
R433
R530
C520
R461
R462
C531
L521
L551
R524
C523
C528
R965
C957
C525
C524
C904
C906
R957
C992
D924
D925
D923
IC951
K952
C956
D953
R533
C958
C582
C916
R570
R572
C553
D901
R552
C530
R551
R574
C532
C571
C554
C551
D975
D951
C527
R521
R520
D552
D522
D952
CP952
C991
C967
K951
CN0PW
L522
C552
C4
22
P_
ON
/OF
F
NE
CK
CN
0E
3
Y9
55
R4
11
L3
51
3.3
V
C9
73
Y9
08
Y9
05
Y9
06
Y9
07
R4
27
R5
83
C9
72
C5
26
HF
B
C9
71
AB
L
C5
24
H_
DR
IVE
R9
71
Y9
04
C5
25
Y9
02
CN
0E
4
Y9
01
R4
12
GN
D
12
V
TP
-47
G
Y9
03
R3
55
R9
22
R3
56
R3
57
R3
51
R3
54
R3
53
R3
52
R3
81
C9
23
R3
80
C4
71
R4
32
C3
51
C3
53
TP
-47
B
D3
70
D3
54
D3
55
D3
56
D3
51
TP
-47
R
PR
OT
EC
T
3.3
V_
ST
B
A_
GN
D
A_
VC
C
D3
50
8V
5V
32
V
CN
0E
1
CN
0E
2
VD
RB
-
EW
VD
RA
+
C9
06
D9
22
R9
21
C9
15
D5
21
QQLZ026-460
MC
CP
QMFZ052-2R0-E
QQLZ026-280
QCB32HK-471Z
1/4W
QUY160-050Y
MC
QCB32HK-471Z
PQ033RDA1SSH
QUY160-050Y
1/2WQRE121J-154Y
QUY160-050Y
MY
QFLC2AJ-103Z
1/4W
QRL039J-120
H_DRIVE2SC2655/Y/-T QRL029J-271
D
NC
S/GND
VCC
FB
SS/ADJ
BD
STR-W6554A-F5
QQL244K-220Z
PS2581AL1/QW/
QCZ0364-152
MY
MM1563DF-X
HV
QGZ5003C1-04
1/4W
QRG01GJ-221
QJL001-043224-E
SCW-1910A
QQR0673-004
1/2W
1SR35-400A-T2
QUB230-08ZAZA-E
QFLC2AJ-683Z1N4003SG-T2
TF
QFZ9072-224
CP
ICP-N75-T
1/2W
QQR1635-001
PQ120RDA1SZ
NCF21HZ-334X
NCF21HZ-334X
QFZ9072-224
1/2W
FBT
QQH0188-001
Vcc -Vcc
PUMPUP
THERMALPROTECTION
AMP
LA78040N
PQ050RDA1SZ
QRL039J-393
QRL029J-223
MA8330/M/-X
QJL001-043224-E
QRE121J-150Y
MA8180/M/-X
QRL029J-683
1/4W
MA8051/L/-X
1/4W
MA8075/H/-X
QUY160-125Y
QRF154K-2R2
QCZ9015-102Z
QCZ9015-102Z
QGA2501C5-03Z
MC
QFLC2AJ-563Z
QQS0271-001
UN2226-X
LC31722-001B
MA8082/M/-X
QENC2AM-225Z
QFZ9072-224QRZ0107-474ZQAF0060-621
QSW0846-001
QMF51E2-4R0-SQSK0061-002
2SA1208/ST/Z1-T
QGZ5003C1-02
QAD0134-4R5
QRZ9046-825Z
TDA6107AJF/N1
QCZ0121-472
QNZ0536-002
QNZ0536-002
1/4W
QRZ0107-152Z
QRZ0107-152Z
QRZ0107-152Z
AC250VQCZ9079-102
QUY160-125Y
QQR1522-001
QCZ0364-561
QQR1114-001Z
1/2W
QRE121J-330Y
QUY160-100Y
MC
QUY160-100Y
QJL001-064431-E
QUY160-125Y
1/2W
QUY160-050YQUY160-050Y
FMX-G12S
SCW-1633A
QUY160-125Y
CP
TT2190LS-YB11
QCB32HK-471Z
CP
ICP-N75-T
QUY160-050Y
SCW-1912A
QQH0188-001
1/2W
QQH0188
-001QQH0214
-001
QRA14CF-3902Y
1/2W
QCZ0364-102
QGA7901C1-02
QUY160-150Y
QGA7901C1-02
QGAB801C1-02
QFZ0197-124 -124
QFZ0197 QFZ0197-154
QRZ0225-2R2
QFZ0197-124
QFZ0197-124
QFZ0197-114
QRE121J-271Y
QRE121J-271Y
1/4W
QRE121J
-154Y
QRE121J
-154YQRE121J
-184Y
QRZ9017-270
QRE121J-330Y
QRE121J-330Y
1/2W
QQLZ026-280
QQLZ026
-280
QRL039J-470
QFP32GJ-393
QQLZ026-140
QRT029J-R47
QFZ0196-472 -472
QFZ0196 QFZ0196-542
QFZ0196-232
QFZ0196-232
QCZ9015-102Z
QFZ0196-202
QEZ0476-227
QEZ0476-227
QEZ0633-227
1/2W
QCZ9079-102
MTZJ9.1C-T2
MTZJ9.1C-T2
SE135N
QEZ0203-107
RU3AM-LFC4
QRZ9017-4R7
QFZ0197-124
1/2W
GSIB460-S1
QRX029J-R47
QCB32HK-561Z
QRX029J-R47
1/2W
QEZ0203-107
QCB32HK-561Z
RU4AM-LFM1
QFZ0197-124
1/4W
RU3AM-LFC4
RU3AM-LFC4
CP
ICP-N38-T
QCZ9079-102
QQR1114-001Z
QQR1005-004
QCB32HK-561Z
QC
S3
2H
J-1
80
Z
VIN
VO
GN
D
CO
NT
QU
Y1
60
-05
0Y
L2
44
J-2
20
Z
VO
NC
GN
D
CN
CO
NT
SU
B
VIN
1/2
W
QR
E1
21
J-2
74
Y
QF
Z0
19
6-2
02
VIN
VO
GN
D
CO
NT
QF
Z0
19
6-2
32
VIN
VO
GN
D
CO
NT
QR
L0
29
J-1
50
QF
Z0
19
6-4
72
N
QR
E1
21
J-2
22
Y
QR
E1
41
J-2
21
Y
QR
E1
21
J-2
22
Y
QR
E1
21
J-2
22
Y
QF
LC
1H
J-4
71
Z
QR
X0
1G
J-2
R2
MC
QF
KC
2E
K-1
04
Z
FR
10
5S
GT
-T2
MA
80
75
/H/-
X
QE
Z0
47
6-2
27
MT
ZJ3
6A
-T2
QR
L0
29
J-4
73
QC
Z0
36
4-2
22
ER
B0
6-1
5E
-F1
0.1
X
X
X
X
3.3K
6800p
X .1
X
X
*3
.0033
12K
1.8K
220K
68K
X
X
6.8K
X
.022
X
X
1.8K
X
X
*9
47/35
X
*9
*3
*3
270
X
X
1000/35
0.18/50
12K
X
*7
X
8.2K
X
X
10K
1
X
*9
X
X
X
BW
BW
X
X
XX
X
X
X
X
15K
X
X
X
1.8K
X
X
*3
X
X
X
X
X
47/35
.01
100/16
47/35
3.3/50
X
X
*3
*3
22K
8.2M
22K
100/16
*1
220/35
X X
X
X
5.6K
1000pF
*9
1K
270K
*9
BW
22/35
XX
*9
X X
.1
4.7/250
100K
X
*7
BW X
X
0
X
2200/35
X
X
X
X
X
*
22
470
*3
X
X
1K
*1
*1
10K
2.2K
X
.1
X
X
X
X
47/35
2200/10
3.3K
X
*7
2200/25
X
X
2.2K
1000/25
18K
10/250
1000/25
*3
1K
100
*9
47/35
*
2.2
K
10
0/1
6
XXX X
6.8
K
.1
47
0/1
0
XXX
2.2
K
X
10
0
15
0
15
0
15
0
XX
22
/50
0.0
01
X
*9 *9 *9
5V
PROTECT
3.3V_STB
12V
12V
32V
PROTECT
3.3V_STB
P_ON/OFF
5V
8V
12V
8V
P_ON/OFF
32V
H_DRIVE
5V
H_DRIVE
c21265001a.001_2/2
MAIN PWB ASS'Y (3/4)
SCW-1910A-H2 [AV-21MX16/G]
SCW-1912A-H2 [AV-21MX16/S]
MAIN PWB ASS'Y (4/4)
(CRT SOCKET)
SCW-1910A-H2 [AV-21MX16/G]
SCW-1912A-H2 [AV-21MX16/S]
Note: 1. Please refer to page 2-25 for voltages of this circuit diagram.
2. Please refer to page 2-26 for waveforms of this circuit diagram.
AC110V-AC240V
50Hz/60Hz
DEG COIL
MAIN PWB (1/4) SHEET5
DEF YOKE
OPEN
ADJUSTMENT
CONNECTOR
MA
IN P
WB
(1/4
) S
HE
ET
5 C
N00T
MAIN PWB CIRCUIT DIAGRAM [AV-21MX16/G, AV-21MX16/S] (3/4), (4/4) SHEET 6
2-20(No.YA442)(No.YA442)2-19
R682
R683
C689C688
C685
C686
C690 C691
GND
IC671
R681R680
R679R678R677
R675
R673 R674
R676
C682C681C680C678
C676C675C674C673C672
L671
R672
R671
X671 C679
C684
C677
C671
C683
CN00M
CH CH
SCL
SDA
INL
INR
OSC0
OSCI
CAP
RESET( BAR)
REFOV
AGND
MXBOUT
OUTR
OUTL
AVDD
DGND
DVDD
MX3000DS-X
CHCHMCMC
CHCHCHCH
CH
QQL244J-4R7Z
QAX0799-001Z
MC
GG30161-001A-H
3.3
V
NC
A_
L
A_
R
NC
SC
L
SD
A
NC
GN
D
P_
R
P_
L
GN
D
220
220
11
1
1
68p 68p
XX
104.7K4.7K
10K
12K 12K
100K
33P33P0.1.015
33P33P33P33P33P
5.6K
5.6K
100/16
10/50
10/50
.47/50
0.1
c21257001a.001
BASS PWB ASS'YSCW-6001A-H2
MAIN PWB (1/4) SHEET1
Note: 1. Please refer to page 2-25 for voltages of this circuit diagram.
BASS PWB CIRCUIT DIAGRAM SHEET 7
(No.YA442)2-21 2-22(No.YA442)
CN0PW-1
C001
C003
C004
C006
C101 C102
C103
C106 C107
C108
C109
R824
R957
C916
W001
W-D
W011
HS972
T521-1
X701
D591
W013
C308
C423
R426
C424
C427
D424
C430
L421
W097
C422
S901
R976
C521
C523
C524
C526
C528
C529
C431
C593
C592
L530
R533
HS522
R574
C573
W016
W017
W128
W123
R813
R952
R763
C995
C822
IC921
W126
R620
R922
C719
W025
W026
R743
R525
R709
C718
R702
C720
R703
R775
R741
C708
C712
C710
C926
C709
D923
W031
Y705
R617
CN00S
R623
Q603
R612
Q605
Q606
Q602
Y572
R609
C802
W042
W124
Q607
Q608
C613
C601
W125
Y953
R572
C656
R604
C602
R963
CN0HV
CN00U
K921
D423
D555
C581
C551
C552
C612
C603
C604
R816
C606
R527-1
R714
R632
C528-1
HS601
R625
IC702
1
4
5
8
W033
LC801
J802J803J804
C703
Y707
C614
R711
R768
L101
CN0E2
LC802LC803
C310
C740
R801
W039
R964
Q101
Q102
Q103
L306
LC804
C752
L703
C716
R707
R319
D701
C306
Q522
C571
W019
W088
C705
CF701
C964
R001
R002
CF702
R101
R102
R103
R106
HS401
Y961
C722
R807
W043
W044
W045
R710
Q701
C704
R713
W063
C725
W055
Q955
R438
W024
R427
R412
R430
C732
W023
W056
Y714
C924
HS921
W059
C717
C531
W-C
W060
R524
D530
Q371
Q372
C555
Q373
Q591
D581
R530-1
C371
C572
W061
W069
W070
W096
C736
C744
C745
C737
TH901
R719
W012
W072
W073
W074
W034
W075
R704
W076
W077
W080
W082
C730
R375
K104
R376
Q374
R779
R781
C786 C787
C788
W-B
Y503
CN00B
Y504
Y962
Y963
Y702
D952-2
R811
R812
Q702
W-B1
X301
C303
R309
Q982
R312
C304
Y957
W038
C309
R307
R308
R313
W098
Q305Q306
SF101
SF102
T522-1
C828
L303
R316
R317
C313
R761
C314
C315
Y703
Y706
R320
R321Q307
C764
W053
W054
W062
W-E
R731
Q984
C758
C827
R982
R983
R984
HS522-1
C702
D981
J806
W078
W079
W102
D982
R461
R462
R520
C831
W095
IC401
W134
W138
Y819
W105
J801
Q609
Q610
R737
Q611
R978
W108
W110
Y713
R738
C701
CN0E3-2
K701
W140
R755
Y709
W-C1
W007
W-E1
R523-1
C780
J809
Y814
C746
R825
L716
D708
C755
R757
C756
W089
W112
W116
W117
W118
IP1
R758
W120
W121
W122
HS973
C776
W131
W132
R776
W137
W135
C980
W136
IC972
R350
Y964
R754
W021
R622
R524-1
W015
R607
C958
SCREEN
R981
CN10A
IC351
1
4.5
5.5
9
W093
L551
C358
C959
D716
HS351
D950
IC973
C906
D973
C977
IP2
D717
Y721
Y722
CP951
W-X
D952-1
R473D972
R965
C994
D953
D954
C991
C992
Y971
R591
CP953
K702
Y003
K951
Q707
Q708
S801 S802 S803
R005
R523
R794
K955
R795
D955
D707
IP96
R793
RY901
LF901
CN10T
K952
K953
R720
D713
R796
IP59
IP117
IP118
CN0E1
W003
IP67
IP68
R635
CP955
C960
R601
R721
K105
R951
R773Y708
C950
Y954
C910
R633
W-X1
R771
L718
Y004
C785
IP5
W-Y
CN00A
W-Y1
D956
L951
Q705
Q706
W107
D370
R769
IC951
R770
W144
R953
PC901
IP74
R962
IP76
CN00C
W104
IP3
IP70
L304
IP71
CN0PW
LF902
W-A
C783
C807
C971
C972
C772
IP4
D610
W-A1
R749
W142
W-D1
C824
C973
Y941
C768Y942
W145
R961
D952
SF101-2
Y809
Y810
R530
L003
W081
R804
R806
R822
C655
C806
D814
Y704
IP6
IP7
S804 S805
IP8
IP9
IP10
IP11
Q522-1
IP12
D812
IP13
IP14
IP15
IP16
IP17
IP18
R474
IP19
R570
R571
IP20
IP21 IP22
W051
C910-1
J805
T522
IP23
W129
W009
IP24
IP25
IP26
IP27
IP28
IP29
W022
IP30IP31
IP32
IP33
IP34
IP35
IP36
IP37
IP38
R782
IP39
IP40
IP41
IP42
IP43 IP44
CN0E4
CN0E3
IP45
IP46
IP47
IP48
IP49
IP50IP51
Y008
IP52
IP53
IP54
IP55
IP56
IP57C111
IP58
IP60
IP62
IP63
C358-2
IP64
IP65
C529-1
IP69
IP72
IP73
D712
R638
R756
IP75
R786
IP86
IP87
IP88
IP95
Q612
IP91
IP92
IP94
C110
IP102
IP103
Y571
W040
W057
W071
W114
W127
IP106
C793
IP107
IP111
R787
C662
R649
Q421 Q422
Y812
D3
50
C0
02
C0
05
W0
90
C1
04
C1
05
W0
91
R7
26
W0
18
W1
15
W0
32
R9
24
W0
10
CN
00
X
D9
26
R7
62
W1
30
C4
71
C4
28
C5
54
K1
03
R4
48
Y9
06
Q4
61
C5
22
C5
25
C5
30
W0
27
D5
54
R5
54
C5
91
Q5
71
W0
20
D6
07
R7
05
R7
06
R7
64
R7
65
C9
22
D9
22
R7
42
R7
44
D7
10
C9
21
R7
45
R9
27
R9
01
R7
78C
52
0
R6
30
C7
15
R7
72
W0
29
C7
21
C7
13
D9
28
R7
01
Y6
10
W0
30
Y9
70
C7
41
C9
65
D1
02
R6
13
Q6
04
Q6
01
C8
03
C8
04
R6
10
C6
09
Y9
51
Y8
03
Y9
52
C6
07
D5
20
C6
08
D6
03
R6
15
W0
85
R6
21R6
24
R6
18
C9
15
-1
C7
81
D6
05
R6
11
C6
10
C7
82
R6
05
R6
19
D6
02
Y8
24
L3
05
D1
01
R5
75
R4
71
R9
23
D9
24
D9
21
D5
22
D5
23
D5
51
C7
24
D5
71
R5
93
D5
93
R5
94
C6
11
R6
06
C6
05
C8
21
D9
57
C6
15
D6
06
L0
02
C9
23
R7
29
Y8
01
Y8
02
W0
37
Y7
10
Y8
04
C7
53
Y8
05
R3
51
Y8
06
C3
12
C8
10
W0
41
C7
51
C7
14
C7
06
R7
08
C7
07
Q5
21
C3
16
Q5
72
C7
11
Q8
01
Q8
03
Q8
04
R0
03
R0
04
R1
04
R1
05
R1
07
R1
08
R1
09
R1
10
R8
15
R8
14
Q8
05
W0
46
D9
25
D5
95
C7
75
C7
23
D9
27
R7
67
R7
66
C7
42
R7
12
W0
47
W0
48
W0
49
W0
50
W0
52
W0
64
W0
65
W0
66
W0
67
W0
68
C7
26
C7
27
R7
15
C7
28
C7
29
R9
26
R4
72
R4
11
C5
53
R4
31
C4
35
R4
33
R4
40
R4
32
W0
83
Y6
11
C9
57
C9
25
R6
37
CN
00
D
L3
51
Y7
12
Y9
55
IC3
02
R5
21
Q9
81
D5
52
D5
92
R5
92
D3
71
IC6
01
111
.5
12
.5
23
D3
72
R6
14
R5
73
D5
22
-1
R3
71
C7
35
D7
02
D7
03
C7
38
C7
39
R7
16
C5
25
-2
R5
22
R7
17
R7
18
W1
01
R3
72
C7
43
R3
73
C7
31
C7
34
R7
60
R6
31
R3
77
W0
02
R7
80
Y9
60
Y5
02
Y5
05
R7
22
R7
23
R8
09
R8
10
R7
24
R7
25
CF
10
1
C3
02
C3
05
W0
36
C3
07
R3
10
R3
11
W0
04
R3
14
Y9
05
TU
00
1
L3
01
L3
02
R3
15
C3
11
Y9
58
R5
69
R3
18
Q7
04
C7
66
Q9
83
Y9
65
C7
61
C7
62
Y7
11
R7
32
R7
33
R7
34
R7
35
C7
60
C8
29
C8
30
R9
85
R9
86
W0
99
W0
28
R5
28
W0
84
W1
03W
08
7
W0
92
W0
94
HS
97
5
R7
89
R7
39
W1
06
D8
17
W1
13
R9
70
W1
09
D3
01
W0
58
Y9
66
CN
00
T
R7
36
IC8
01
C8
08
R7
51
R7
47
T9
21
C7
67
W0
06
Y7
15
CN
00
M
C7
50
C7
48
C7
49
Y8
13
W1
11
Y9
09
R7
85
R7
28
C7
54
C7
57
L7
06
C3
17
W1
19
R7
59
W0
86
W1
33
R7
40
R7
48
W1
39
R9
91
W0
14
C9
53
D9
70
C0
07
VA
90
1
D7
15
C0
08
W0
35
C7
63
K3
56
C8
09
IC9
75
Y9
68
C9
62
R8
17
R3
69
C9
93
D3
54
D3
55
R9
77
D3
56
D9
75
Y7
20
C9
67
C9
54
W0
08
R6
02
Y9
12
C9
66
D9
71
C3
18
C9
02
-1
Y7
16
Y9
02
Y9
03
Y9
04
R4
34
CP
95
2
Y9
01
Y9
07
Y9
08
R3
54
R3
53
CN
DE
G
R8
18
R8
19
R8
20
R8
21
C6
16
R3
55
C7
92
C9
55
Y9
72
D9
01
C9
01
R9
10
C9
02
C9
04
C3
53
Y7
18
CN
10
U
C3
51
K9
54
R7
90
Y3
61
CP
95
4
D7
14
R7
83
R3
58
R6
34
R6
36
C9
56
R3
44
R3
59
C7
79
R7
53
R6
62
FC
90
1
R5
81
R3
60
D3
41
R8
23
D3
42
D3
43
Y9
10
W1
43
C7
78
R3
80
Q7
91
D3
45
D8
13
R7
74
C9
52
R5
82
C3
52
W1
41
D7
09
R5
83
K6
51
R7
77
C7
71
IC9
71
D8
11
R7
52
C7
70
R7
50
C8
23
D6
09
Y9
43
Y9
44
D9
76
R7
27
R7
92
D7
04
C8
25
C7
77
C8
26
C9
63
R6
40
LC
80
5
C7
73
L0
01
K1
01
R8
05
D8
08
D8
10
D7
06
D9
62
C3
41
CP
65
0
Q3
41
D7
11
R3
56
R3
52
R3
57
C4
36
C5
32
R3
27
R3
81
D6
04
D3
51
Y9
11
K1
02
C9
01
-1
D6
08
R6
39
Y7
17
C6
61
C7
90
Y9
67
Y1
01
Y5
70
W0
05
C6
17
D7
51
D7
53
R4
21
C7
84
FRONT
TOP
TOP
( )
( )
( )
B1
( )
PATTERN DIAGRAMS MAIN PWB PATTERN
2-24(No.YA442)(No.YA442)2-23
CN00M L671
C677
X671
C671
C684
C679
IC671
C685
C683
C690
C686
C688
C689
C691
CN00M
L671
R678
R677
C677
C676
C6
75
C6
74
C673
C672
R676
X671
R6 74R673
R672
R671
C671
R675
84 C6
R679
C678
C679
C680
C681
C682
R680
R681
R6
82R
683
( )
TOP
TOP
BASS PWB PATTERN [PARTS SIDE]
BASS PWB PATTERN [SOLDER SIDE]
(No.YA442)2-25 2-26(No.YA442)
<MAIN PWB>
MODEDC (V)
PIN NO.MODE
DC (V)PIN NO.
MODEDC (V)
PIN NO.MODE
DC (V)PIN NO.
IC401
1 0.5
2 13.7
3 -11.7
4 -13.8
5 0.2
6 13.9
7 0.4
IC601
1 0
2 NC
3 0
4 NC
5 25.9
6 NC
7 0
8 NC
9 0
10 NC
11 0.5
12 NC
13 12.9
14 NC
15 0.7
16 NC
17 0
18 NC
19 27.2
20 NC
21 16.7
22 NC
23 12.8
IC701
1 0
2 0
3 1.9
4 3.3
5 3.1
6 0
7 3.2
8 0
9 3.2
10 1.5
11 1.3
12 0
13 0.1
14 2.5
15 4.9
16 1.9
17 2.3
18 0
19 2.3
20 2.3
21 0
22 0.8
23 0.9
24 1.9
25 1.9
26 2.3
27 1.9
28 0.2
29 1.9
30 1.0
31 4.3
32 3.1
33 2.2
34 2.1
35 2.2
36 3.5
37 3.4
38 2.2
39 2.5
40 0
41 3.0
42 1.4
43 2.7
44 2.2
45 8.3
46 2.0
47 5.0
48 1.3
49 2.2
50 2.0
51 1.5
52 1.4
53 2.2
54 2.1
55 1.3
56 2.2
57 1.3
58 1.8
59 1.4
60 1.3
61 3.7
62 1.3
63 3.5
64 0.5
65 1.9
66 1.4
67 1.5
68 0.2
69 4.9
70 1.3
71 1.4
72 1.3
73 2.0
74 1.7
75 0.4
76 0
77 3.3
78 1.3
79 1.3
80 1.3
81 0
82 4.9
83 2.1
84 3.4
85 2.1
86 2.1
87 2.1
88 3.3
89 0
90 3.3
91 1.6
92 0
93 1.9
94 3.3
95 0
96 1.9
97 3.0
98 0.1
99 0.1
100 2.1
101 0
102 2.4
103 2.5
104 0
105 0.2
106 2.6
107 0
108 2.2
109 1.1
110 3.3
111 0
112 3.3
113 0
114 3.3
115 1.1
116 2.6
117 1.9
118 1.8
119 3.3
120 3.1
121 0
122 3.3
123 0.1
124 1.9
125 0
126 3.3
127 3.2
128 3.2
IC702
1 0
2 0
3 0
4 0
5 3.2
6 3.2
7 0
8 3.3
IC921
1 125.4
2 NC
3 0
4 19.7
5 4.0
6 1.7
7 0.3
IC951
1 135.5
2 9.4
3 0
IC971 -
IC972
1 6.4
2 3.3
3 0
4 6.4
IC973
1 15.4
2 11.8
3 0
4 2.5
IC975
1 8.2
2 4.8
3 0.2
4 2.5
Q101
E 2.4
C 11.8
B 3.1
Q102
E 0
C 0.2
B 3.1
Q103
E 0
C 0.1
B 3.1
Q305 -
Q306 -
Q307 -
Q341
E 11.8
C 1.0
B 11.8
Q421
E 0
C 0
B 0.6
Q422
E 1.1
C 1.3
B 0
Q521
E 0
C 10.9
B 0
Q522
E 0
C 122.0
B -0.1
Q571
E 135.4
C 0
B 135.1
Q572
E 0
C 3.2
B -0.7
Q601
E 11.8
C 0.4
B 11.8
Q602
E 0.2
C -0.2
B 0
Q603
E 0
C 0
B -0.3
Q605
E 0
C 0
B -0.2
Q607
E 0.1
C 0
B 0.6
Q608
E 0
C 18.5
B 0
Q609
E 0
C 0
B 0
Q611
E 0
C 0
B 0
Q612
E 0
C 5.0
B 0
Q704
E 0
C 2.5
B 0
Q705
S 0
D 0.2
G 1.9
Q706
S 0
D 0
G 1.9
Q707
E 0
C 1.2
B 0
Q708
E 1.2
C 1.3
B 4.9
Q791
E 0
C 2.9
B 0
Q801
E 2.2
C 0
B 1.5
Q803
E 0.5
C 0
B 0
Q804
E 0
C 0
B 0.2
Q805
E 0.2
C 0
B 0
Q955
E 0
C 11.8
B 0
Q981
E 2.9
C 1.9
B 2.2
Q982
E 1.9
C 2.2
B 2.5
Q983
E 2.9
C 1.8
B 2.2
Q984
E 1.9
C 2.2
B 2.5
TU001
1 4.3
2 0.5
3 0
4 2.2
5 2.2
6 4.9
7 4.9
8 0.7
9 35.1
11 0
<MAIN PWB>
(FRONT LED)
<MAIN PWB>
(CRT SOCKET)
MODEDC (V)
PIN NO.
IC302
1 2.6
2 3.3
IC801
1 3.0
2 3.3
3 0
MODEDC (V)
PIN NO.
IC351
1 2.2
2 2.1
3 2.1
4 0
5 4.6
6 194.7
7 118.3
8 118.3
9 115.8
<BASS PWB>
MODEDC (V)
PIN NO.
IC671
1 0
2 1.2
3 1.2
4 0
5 3.2
6 3.3
7 2.3
8 2.1
9 1.4
10 1.5
11 3.3
12 0
13 1.6
14 1.6
15 0.1
16 1.2
VOLTAGE CHARTS
IC401-1
1.0Vp-p
(V)
IC401-3
27Vp-p
(V)
IC401-5
53Vp-p
(V)
IC401-6
30Vp-p 0.8Vp-p
(V)
IC701-10
2.3Vp-p
IC701-11
2.7Vp-p
IC701-22
1.0Vp-p
IC701-23
1.3Vp-p
(V)(V)
IC701-67
3.0Vp-p
(H)
IC701-74
1.2Vp-p
(H)
IC701-66
5.0Vp-p
(H)
(H)
IC701-87
1.7Vp-p
(H)
IC701-48
2.0Vp-p
(H)
T522-9
220Vp-p
T522-8
24Vp-p
(H)(H)
T522-7
110Vp-p
(H)
T522-6
110Vp-p
(H)
T522-4
60Vp-p
(H)
T522-2
6.0Vp-p
(H)
Q522-C
1200Vp-p
(H)
Q521-B
1.3Vp-p
Q521-C
32Vp-p
(H)
Q522-B
2.0Vp-p
(H)(H)
IC351-8
100Vp-p
IC351-7
80Vp-p
IC351-9
130Vp-p
(H)
IC701-85
1.4Vp-p
IC701-86
1.4Vp-p
(H) (H)
(0.2µs) (0.2µs)
(H)
(V)
IC401-7
-MAIN PWB-
-CRT SOCKET PWB-
WAVEFORMS
(No.YA442)
VPTPrinted in Japan
Display Category 12, 3-chome, Moriya-cho, Kanagawa-ku, Yokohama-city, Kanagawa-prefecture, 221-8528, JapanVictor Company of Japan, Limited
