A
1
2
3
4
5
6
7
8
9
B C D E F G H I J K L
RX-V420/RX-V420RDS/HTR-5440/HTR-5440RDS/DSP-AX420SCHEMATIC DIAGRAM (INPUT)
E-55/J-51
� All voltage are measured with a 10M /V DC electric volt meter.� Components having special characteristics are marked s and must be replaced
with parts having specifications equal to those originally installed.� Schematic diagram is subject to change without notice.
LA7956
1
9
NJM7805FANJM7812FA
1: OUT2: COM
3: IN
NJM79M12FA
1: COM2: IN
3: OUT
LC78212
1
15
30
µPC4570HA
1
9
LC72722
1
12
24
M5220L
1
8
1SS1331SS176HZS11B2TDMTZJ5.6B
Anode
Cathode
S1VB20
–
+~
~
1
15
30
LC78211LC78213
2SC18152SC2878
E C B
2SC1740SDTA144ES
EC B
2SA17082SC4488
EC
B
PIN CONNECTION DIAGRAM OF TRANSISTORS, DIODES AND ICS.
INPUT SELECTOR
E-56/J-52
I2
E-5
6/J-
52
G5
E-56/J-52
C6
E-57J-53
F1
E-56/J-52
A4
E-56/J-52
G3
E-5
6/J-
52
G6
E-5
6/J-
52
C6
x: NOT USEDO: USED / APPLICABLE
0.22
/50
2200P/16
0.01/16
0.01/16
1P82
1P82
Point 1 Pin 12 of IC445
0
0 0
0
0
0
23.7
23.7
0
2.1
0
0 0
0
000
0
0
00
0
0
0
0
000
00
0
0
0.10.1
0.1
-24.2
-24.2
0
0
0
0
00
0
00
0 0
00
0
0
0
0
-11.7
0
0
0
2.0
0000
00
0
0
00
00
0
0
00
00
0
0
00
0 0
00
0 0
0
0
0
00
0
12.0
-12.0
0
0 -11.9
0
0
0
0-11.9 -11.9
-11.9 -11.7
0
0
000
12.0
-12.0
0
0
000
12.0
-12.0
5.0
-11.9
-11.9
4.8
0
0
-11.9 0
0
-11.9 0
0
-11.9
0
0-11.9
0
0-11.9
0
0
-11.9-11.9
0
0
-11.9
0
0
0
0
-11.9
-11.9
0
0
-11.9
0
0
0
0
-11.9-11.9
0
0
-11.9
0
0
0
4.8
5.0
-11.7
4.8
5.0
-11.9
4.8
5.0
-11.9
4.8
5.0
-11.9
0
0
6.1
6.1
4.8
3.8
3.8
3.8
3.8
11.9 00
6.1
11.9
6.1
5.46.7
0
7.2
-11.9 -21.30
11.9 20.70
12.0 20.7
24.1
-23.6-32.0
24.7
24.7
0
-24.7
-24.2
31.6
05.1
11.2 0
4.9
5.1
0 0
-21.4
20.8
0 0
-32.9
32.2
10.60
AC32.2
AC48.9
AC10.0
MAIN L
REAR L
CENTER
0
0
000
12.0
-12.0
4.7
5.7
0
5.7
11.8
3.52.9
2.12.1
4.30
0 0 0 0
4.74.7
1.8
1.7
00
2.12.0
11.8
1
C369
10/25
0.1
W40
1C
411
390
390
C51
5
2.2/
50
R583
470
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1
2
3
4
5
6
7
8
9
B C D E F G H I J K L
SCHEMATIC DIAGRAM (OPERATION)
E-56/J-52
RX-V420/RX-V420RDS/HTR-5440/HTR-5440RDS/DSP-AX420
x: NOT USEDO: USED / APPLICABLE
Point 1 Pin 38 of IC902Point 2 emitter of Q910 and collector of Q911
POWER ON(Connect the power cord)
POWER OFF(Disconnect the power cord)
Q910 E
Q911 C
� All voltage are measured with a 10M /V DC electric volt meter.� Components having special characteristics are marked s and must be replaced
with parts having specifications equal to those originally installed.� Schematic diagram is subject to change without notice.
2SA893A2SC1890A2SC2229
E C B
2SA933S2SD1991ADTC144ES
EC B
PIN CONNECTION DIAGRAM OF TRANSISTORS, DIODES AND ICS.
B C E
2SB1565 2SC4488
EC
B
1SS133HZS5B2TDHZS5C2TDHZS6B2TDHZS7A2TDHZS7B2TDHZS12C2TDHZS222TD
Anode
Cathode
µPC4570C
1
48
LB1641
1
10
NJM2068L-D
1
8
LC75725E
1 16
17
32
3348
49
64
NJM78L05A-T3
1: IN2: GND
3: OUT
FL DISPLAY
FL DRIVER
MAIN µ–COM
E-5
5/J-
51
F3
E-5
5/J-
51
I4
E-5
5/J-
51
G3
E-5
5/J-
51
B8
E-5
5/J-
51
F8
E-0
0/J-
00
H2
E-5
5/J-
51
K5
E-5
8/J-
54
G5
E-5
8/J-
54
A5
E-5
8/J-
54
G4
PR
V
1
2
~-2
9.2
-29.
2
-29.
2
-29.
2
-29.
2
2.5
2.5
4.8
5.2 0 0 0
-29.
10~~~~
-29.
2~~
-29.
2-2
9.2
-29.
2-2
9.2
-29.
2~~~~
-29.
2~
-29.
2
-29.
2
-29.
2-2
9.2
-29.
2-2
9.2
-29.
2~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
-21.
7-2
1.7-2
1.7
-21.
7
-29.
1 ~ ~ ~
4.8
~
4.8
~
4.8
~
~~~~~
-29.2~~
-29.2~~
-29.2~
-29.2~
-29.2
-29.5
~~~~~~~~~~
-29.5
~ ~~
4.8
~
4.8
~
4.8
~ ~ ~~
5.2
4.8
2.7
4.8
00.5
2.705.24.800.104.600000000 0 4.84.8
04.
8
4.8 0
0 4.8 0 04.8
4.8
4.8
4.8
4.8
4.8
4.8 4.
8
0
05.2
000
4.8
4.8
4.84.8
00
00
4.80
11.90
4.8
4.84.80
4.8
4.8
4.82.92.5
4.8
4.8
0.10
0
0
0
5.2
0
5.6
5.2
2.7
0
0
0
0.5
04.8
4.8
0
0.3
0.5
0
4.8
4.84.8
-50.9
4.84.8
-50.9
12.0
0-0.1
-0.1
0
-11.9
0.1
0.1
12.0
0
0
0
0
-11.9
0
0
-1.1
0
39.113.4
13.9
0
-49.3
-49.8
0
-50.4-49.2
-49.8
0
-49.3
-49.8
0
0
-48.3
0.6
-49.2
0.60
-48.3
0
0.6
-49.2
0.6
0
-48.3
-48.9
-1.1
-48.3
-48.9
0
0.6
-49.2
0.60
-48.3
-48.3
-48.9
-1.1
0
0.6
-49.2
0.6
0
-48.3
-48.3
-48.9
-1.1
0
0.6
-49.2
0.60
-48.3
-48.3
-48.9
-1.1
0
0
0
00
-11.7
0
11.8
0
0
0
00
-11.7
0
11.8
0
0
0
00
-11.7
0
11.8
0.6
0.811
.11.8
0.40.60
11.1
0.8
00.
8
5.6
12.7
7.3
12.0
0.6
0
12.7
12.7
6.6
0
MAIN L
CENTER
REAR L
MAIN L
MAIN L
CENTER
B
A
&5
0.047F/5.5
RB
441Q
-40
3.3/50
3.3/50
33P/500
33P/500
HZS182 VM97600MTZJ18C VG44150
HZS182 VM97600MTZJ18C VG44150
HZS182 VM97600MTZJ18C VG44150
HZS222 VM97620MTZJ22D VG44230
HZS182 VM97600MTZJ18C VG44150
HZS222 VM97620MTZJ22D VG44230
HZS222 VM97620MTZJ22D VG44230
D661
D664, 665901, 902,905-908, 910, 912
HZS182MTZJ18C
D662 HZS222MTZJ22D
IC902 UPD78F4218AGF-3BAUPD78F4216A
3.3/50
3.3/50
3.3/50
18K
18K
3.3/50
820
820
&3
D66
1
HZ
S18
2
&4
D66
2
HZ
S22
2
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1
2
3
4
5
6
7
8
9
B C D E F G H I J K L
RX-V420/RX-V420RDS/HTR-5440/HTR-5440RDS/DSP-AX420SCHEMATIC DIAGRAM (DSP)
E-57/J-53
� All voltage are measured with a 10M /V DC electric volt meter.� Components having special characteristics are marked s and must be replaced
with parts having specifications equal to those originally installed.� Schematic diagram is subject to change without notice.
Point 1 Pin 1 of IC801
8 3 4 1 25 6 9
7
14
14
71312
3 12
6
45
28
31
68
57
5
46
3
2
81
6
5
5
6
4
8
7
2
34
1
7
3
2
8
6
54
7
1
73
42
1
1SS355RB501V-40
PIN CONNECTION DIAGRAM OF TRANSISTORS, DIODES AND ICS.
µPC29M33T-E1 M5220FPNJM2904M
MSM514260C-60JSTC74HC00AFTC74HCU04AFTC74VHCT08AF
AK4527VQPQ025EZ5MZP
1
20
405
1
1: OUT
3: IN2: COM
1
714
1 11
12
22
2333
34
441
48
2SC3326DTA144EK
B
E
C Anode
Cathode
D/A CONVERTER
DSP/DOLBY/DTS
CODEC
REGULATOR
E-55/J-51From INPUT (1)
D8
1
3.4
4.5
0
3.8
4.5
0
3.8
0
0
0
0
1.4
1.4
1.4
1.4
1.4
1.3
1.3
1.3
~
~
~
~
~
~
~
2.1
2.1
4.5
4.5
1.3
1.2
2.4
2.4
1.2
1.3
2.4
0
1.7
1.1
~
~
~
4.5
3.1
0.1
2.5
3.8
3.8
3.8
4.8
4.8
0
~
0.2
0
0
0
2.5
0.3
0
0
3.4
0.1
0
0
0
0.2
00
2.4
0
0
00 0
4.5
2.9 2.9 0.3 0 04.5
~ ~ ~ ~ 1.1 ~ ~ 3.4 0 2.1 0
0
2.5
1.3
1.2
1.2
3.4
3.4
3.4
0.7
~
0
0
1.7
1.7
1.7
1.7
2.5
0
0
0
0
0
0
0
0
0
3.4
0
0
3.4
1.3
1.3
1.4
1.4
1.3
1.4
1.4
1.4
1.303.3
3.3
3.4
2.4
2.4
2.40
2.1
3.1~~~
1.6
4.0 0 3.3
3.3 0 3.3 0 3.3 0
1.8
0
4.8
~
3.4
0 0 0
1.7
3.4
1.0
1.6
4.5
4.5
3.4
3.4 3.40
0
2.5
2.5 4.5
0 2.5 4.4 4.5
0
3.4 0 4.5
4.5
-20.25.0
0
0
0
0-20.2
-20.2
21.3
2.52.5
2.5
21.3
2.52.5
2.5 2.5
0
2.5
5.05.0
0
2.5
2.5
5.0
0
2.5
2.5
2.5
0
5.0
2.5
-22.3
21.3
2.5
2.5
2.5
0.1
0.10.7
-22.3
21.3
0.1
0.1
0.1
0.1
1.2
-22.3
0.1
0.10.1
0.1
-20.2
-20.2
0
0
0
0
-20.2
-20.2
-20.20
0
-20.20
0
0
0
0
0
21.3
0.1
0.1
-22.3
0.1
0.10.1
0.7
-22.3
2.5
2.52.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
0
0
0
1.7
1.7
0.7
~
0
~
0
0
2.5
5.0
5.0
0
1.704.9
4.8
0.10
005.0
5.0
3.4 005.0
5.0
5.00
3.41.0
MAIN L
CENTER
MAIN L
REAR L
DIGITAL IN
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1
2
3
4
5
6
7
8
9
B C D E F G H I J K L
SCHEMATIC DIAGRAM (MAIN)
E-58/J-54
RX-V420/RX-V420RDS/HTR-5440/HTR-5440RDS/DSP-AX420
MAIN L POWER AMP
MAIN R POWER AMP
REAR L POWER AMP
REAR R POWER AMP
CENTER POWER AMP
� All voltage are measured with a 10M /V DC electric volt meter.� Components having special characteristics are marked s and must be replaced
with parts having specifications equal to those originally installed.� Schematic diagram is subject to change without notice.
2SA9702SA10152SC18902SC1890A2SC2240
E C B
B C E
B C E
EC B
2SC1740S
2SA16952SC4468
2SD2396
PIN CONNECTION DIAGRAM OF TRANSISTORS, DIODES AND ICS.
EC
B
2SA17082SC4488
1SS1331SS270A1T2HZS5B2TDHZS12B2TDHZS302TD
S1VB20
S5VB20
Anode
Cathode
–
+~
~
+
–~ ~
~
POWER RELAY
E-5
6/J-
52
C7
E-5
6/J-
52
J5
E-5
6/J-
52
G4
x: NOT USEDO: USED / APPLICABLE
240V 1-2/5-6
220V 2-3/6-7
110V 3-4/7-8
120V 4-5/8-1
VOLTAGE SELECTOR
1.1
-1.1
-0.4
1.1
-1.1
-0.4
50.4
0.5
1.1
50.4
0.5
1.1
50.4
0
0
0.5
-50.40
0-0.5
50.1
50.4
50.3
0
0
0
50.4
0
0
0.5
-50.40
0-0.5
50.1
0
0
-0.5
-50.4
-1.1
-0.5
-50.4
-1.1
1.1
-1.1
-0.4
50.4
0.5
1.1 50.4
0
0
0.5
-50.4
0
0
-0.5
50.1
0
0
-0.5
-50.4
-1.1
1.1
-1.1
-0.4
50.4
0.5
1.1 50.4
0
0
0.5
-50.40
0
-0.5
50.1
0
0
-0.5
-50.4
-1.1
1.1
-1.1
-0.4
50.4
0.5
1.1 50.4
0
0
0.5
-50.40
0
-0.5
50.1
0
0
-0.5
-50.4
-1.1
14.027.1 1.2
14.027.1
0
0
0.2
0
0.2
0
0.2
1.2
0.7
0
0.2
0
0.2
0.5
0.3
0.1
0
0.3
0.2
0.1
0
0
13.626.7
-32.6
-30.0
0
0.5
-29.3
0.7
0
0.2
0
-48.9 0
35.2
0
35.2
AC74.0
AC55.5
0
0
50.4(37.8)
0.8 0
12.8
6.1
0
12.8
6.10
-50.5(-37.8)
AC12.8
MAIN L
REAR L
CENTER
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R-5440R
DS
RX-V420/RX-V420RDS/HTR-5440/HTR-5440RDS
73
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EM
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ON
TR
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TR
AN
SM
ITT
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(U, C
, A, R
, T m
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SC
HE
MA
TIC
DIA
GR
AM
K41 K42 K43 K44 K45 K46
K52 K53 K54
K33 K34 K35 K36 K37 K38
K25 K26 K27 K28 K29 K30
K17 K18 K19 K20 K21 K22
K9 K10 K11 K12 K13 K14
K1 K2 K3 K4 K5 K6
VBAT
VBAT
VBAT
VDD
VDD
VDD
Q1
BATTAAA x 4
VDD
C1+ + C12 C2
C3
C4
OPTION
OPTIONAL
OPTIONAL
OPTION
OPTION
OPTIONAL
OPTIONAL
FOR BW0785/6
X1
1024
942
41
40
3934
36
43
48
49
VDD0 P33P32
P34/S131
P57/A15
P55/A13P54/A12P53/A11P52/A10
P51/A9P50/A8
P40/AD0P41/AD1P42/AD2P43/AD3P44/AD4P45/AD5
P66/WAITP65/WRP64/RD
P30P31
P35/SO31
P17/ANI7P16/ANI6P15/ANI5P14/ANI4P13/ANI3P12/ANI2P11/ANI1
P70/T100/T00
1413
15
8
654321
P55P56/A14 7 P56
P54P53P52P51P50
575859606162
P40P41P42P43P44P45
P46/AD6P47/AD7
P67/ASTB
636456
P46P47P67
555453
1112
16
P36/SCK31 1726272829303132
P10/ANI0 33
47
VDD135 AVDD38 XT137 XT2
VSS0VSS1
X1
X2
IC (VPP)AVREF25 AVSS
RESET
P00/INTP0
5150
P74/PCL
52P75/BUZ
P73/TI51/TO51
4546
P02/INTP2
44P01/INTP1
P03/INTP3/ADTRG
1920
P21/SO30
18 P20/SI30
P22/SCK30
2223
P24/TXD0
21 P23/RXD0
P25/ASCK0
P72/T150/T050
P71/T101
C6
C7
C10C9C8
C5
Q3
Q2
Q6
Q5
D1
R3
R1
R4
R8
R9
R12
R13
R10
R11
R14
R2
R19
R18R17
R20 R21
Q7
D4
D2 D3
OPTIONAL
VBAT
VBATVBAT
VDD
3S1
J1
J2
R15 R16
VDD VDD VDD
J1.1
7 AMP/TUN6 TAPE/MD
9 CBL/SAT
10 VCR
P56
P55
P54
P53
P52
P51
P50
P40 P41 P42 P43 P44 P45 P46 P47 P67P[50:56]
P[40:67]
1 TV
8 CD
5 LD/DVD
4 DVD MENU
2 DSP/TUN
FOR BW0659/A
FOR BW0785/6
U1 U2
68
4
5
7123
SCLSDA
NCA0A1A2
24LCXX
VSS
VDD
C11
J3
R22
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