Denon-DCM280 380 CD

7/22/2019 Denon-DCM280 380 CD

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SERVICE MANUAL

STEREO CD PLAYER

MODEL DCM-380/280

For U.S.A., Canada, Europe, U.K.

& Australia model

1 Some illustrations using in this service manual are slightly different from the actual set.

16-11, YUSHIMA 3-CHOME, BUNKYOU-KU, TOKYO 113-0034 JAPAN

Telephone: 03 (3837) 5321

X-0162 NC 0211

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2DCM-380/280

SAFETY PRECAUTIONSThe following check should be performed for the continued protection of the customer and service technician.

LEAKAGE CURRENT CHECKBefore returning the unit to the customer, make sure you make either (1) a leakage current check or (2) a line to

chassis resistance check. If the leakage current exceeds 0.5 milliamps, or if the resistance from chassis to either

side of the power cord is less than 460 kohms, the unit is defective.

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3DCM-380/280

BLOCK DIAGRAM

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4DCM-380/280

WIRING DIAGRAM

C D

M E C H

A N I S M

C D

P I C K U P

C3P101CP403 CP402

M A I N

S E C T I O N

C P 5 0 1

C P 5 0 2

T R A N S

A C

C O R D

P O W E R S W I T C H

C N 7 0 6

S W 7 0 1

CN802

C N 8 0 1

C P 7 0 5 C P 7 0 4

C N1 0 1

C P 4 0 1

F R O N T S E C T I O N

J K 3 0 2

C N 3 0 1

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5DCM-380/280

DISASSEMBLY

(To reassemble, reverse disassembly.)

1. TOP COVER

Remove 4 screws A fixing the Top

Cover and 5 screws A mounting the

Rear Panel, then detach the Top Cover

as shown in the arrow direction.

2. MAIN P.W.B.

Remove 1 screw A , 2 screws B ,1

screw C fixing the Main P.W.B. and 1

screw B mounting the rear Panel; then

detach the Main P.W.B. as shown in the

arrow direction.

3. FRONT PANEL

Remove 2 screws D mounting the

Front Panel; 2 side screws B and 5

below screws A mounting the Front

Panel, then detach the Front Panel as

shown in the arrow direction.

4

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6DCM-380/280

4. CONTROL P.W.B.

Remove 8 screws E mounting the

Front Panel and 1 E screw fixing the

Control P.W.B., then detach the Control

P.W.B. as shown in the arrow direction.

5. BACK PANEL

Remove 3 screws F mounting the Bot-

tom Cover, then detach the Back Panelas shown in the arrow direction.

Note: Only in φ3x5mm, other screws

can’t be used.

6. LOADER ASS’Y

Remove 1 screw G and 4 screws H

mounting the Bottom Cover, then detach

the Loader Ass’y as shown in the arrow

direction.

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8DCM-380/280

CXA2581N

DVCC

AC

SUM

APC

AC

VCA EQ

VC

VC

VC

RW/ROM

EQ_ON/OFF

VOFST DVC

DVCC

RW/ROM

VCRW/ROM

RW/ROM

RW/ROM

VC

DVCC

25

15

30

29

28

17

16

26242334

6

7

8

9

10

19

18

DVC

DVCCDVC

VC

VC

VOFST

DVC

DVC

VCC

VOFST

B

C

A

D

A

BC

D

F

E

SW

PD

LD

V C C

G N D

V C

D V C

DVCC

CE

CEI

TE

TE_BAL

FE

FEI

RFDCO

RFDCI

RFAC

V F C

R F C

R F G

B S T

E Q_

I N

A C_

S U M

DC_OFST

VC

RW/ROM

21

145

20

13

VC

VCC

APC-OFF (Hi-Z)

RW/ROM

(H/L)

2722

1

2

12

11

gm

gm

RW/ROM

VOFST

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9DCM-380/280

CXP82032/82040/82052/82060

8 - B I T T I M

E R / C O U N T E R 0

8 - B

I T T I M E R 1

U A R T

B A U D R A T E

G E

N E R A T O R

U A R T R E C E I V E R

U A R T T R A N S M I T T E R

I N T 2

X T A L

P W M

R A M

3 9 8 4

B Y T E S

S P C 7 0 0

C P U C O R E

A / D C

O N V E R T E R

I N T 3 / N M I

I N T 1

I N T 0

A N 0 t o A N 7

8

P A 0 t o P A 7

F D P

C O N T R O

L L E R /

D R I V E R

3 2 k H z

T I M E R / C O U N T E R

P R E S C A L E R /

T I M E - B A S E T I M E R

R S T

V D D

V S S

P O R T A P O R T B P O R T C P O R T D P O R T E P O R T F P O R T G

8 8 6 2 8 8 8 8

P B 0 t o P B 7

P C 0 t o P C 7

P D 0 t o P D 7

P E 0 t o P E 5

P F 0 t o P F 7

P G 0 t o P G 7

P E 6 t o P E 7

T E X

E X T A L

T X

C S 0

2

R O M

3 2 K / 4 0 K / 5 2 K / 6 0 K

B Y T E S

R A M

K E Y S C A N

P O R T H

P H 0 t o P H 7

8

C

L O C K G E N E R A T O R /

S Y S T E M

C O N T R O L

1 4 - B I T P W

M G E N E R A T O R

F I F O

R E M O C O N

R M C

S I 0

S O 0

S C K 0

S I 1

S O 1

S C K 1

E C 0

T O

C I N T

E C 1

A D J

G 0 / A 0 t o G 1 5 / A 1 5

A 1 6 t o A 2 3

A 2 4 t o A 5 6

V F D P

K R 0 t o K R 7

1 6 8 3

2 8

2

S E R I A L I

N T E R F A C E ( C H 1 )

1 6 - B I T C A P T U R E

T I M E R

/ C O U N T E R 2

S E R I A L

I N T E R F

A C E

( C H 0 )

B U F F E R

R A M

2 2

P O R T I

P I 0 t o P I 4

4

T x D

R x D

I N T E R R U P T C O N T R O L L E R

R A M

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10DCM-380/280

Serial

Input

I/F

Output Amp and

Low-Pass Filter DAC

8x

Oversampling

Digital Filter

with

Function

Controller

Enhanced

Multi-Level

Delta-Sigma

Modulator

Output Amp and

Low-Pass Filter DAC

BCK

LRCK

DATA

ML

MC

MD

Function

Control

I/F

System Clock

Manager Zero Detect Power Supply

VOUT

L

VCOM

VOUTR

V D D

D G N D

Z E R O L

Z E R O R

SCK

System Clock

V C C

A G N D

PCM1748

BA033FP

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11DCM-380/280

BA5979S

INTER-

FACE

F R

INTER-

FACE

INTER-

FACE

REGULATOR

T. S. D

MONITOR

THERMAL

SHUTDOWN

LEVEL

SHIFT

F R

F R

POWVCC

PreVCC POWVCC

POWVCC

50k

50k

50k

50k

R

R

F

10k

10k

19k

100

10k

MUTE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

25 24 23 22 21 2032 31 30 29 28 27 26 19 18 17

F

Vref

D D D D

-+

F

R

D D DD

-+

NJM-4556D

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12DCM-380/280

Bank Select

Data Input Register

512K x 16

512K x 16

S en s eA MP

O u t p u t B uf f er

I / O C on t r ol

Column Decoder

Latency & Burst Length

Programming Register

A d d r e s s R e gi s

t er

R ow

B uf f er

R ef r e s h C o un t er

R ow

D e c o d er

C ol .B uf f er

L RA S

L C B R

LCKE

LRAS LCBR LWE LDQM

CLK CKE CS RAS CAS WE L(U)DQM

LWE

LDQM

DQi

CLK

ADD

LCAS LWCBR

Timing Register

BA4558 / BA4558F / BA4558N

1ch

2ch

VCC

OUT2

– IN2

+ IN2

OUT1

– IN1

+ IN1

VEE 4

3

2

1 8

7

5

6

+ –

–

1ch 2ch

O U T 1

1

– I N 1

2

+ I N 1

3

V E E

4

+ I N 2

5

– I N 2

6

O U T 2

7

V C C

8

+

–

+

–

BA4558 / BA4558F BA4558N

+

K4S161622D

NJM78L00ANJM78L00UA

NJM78L00EA(5V,9V,12V)

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13DCM-380/280

Serial

Input

I/F

Mode

Control

I/F

HDCD

Hidden

Code

Recovery

HDCD

8x

Oversampling

Digital Filter

Enhanced

Multi-Level

∆Σ

Modulator

Crystal/OSC

XTI

SCK

XTO CLKO VCC1 AGND1 VDD DGND

HDCD

Amplitude

Decoding

VOUTL

V C C 2 L

V C C 2 R

A G

N D 2 R

A G

N D 2 L

EXTL

PCM1732

Open

Drain

DAC

Low-Pass

Filter

Low-Pass

Filter

BPZ Control

VOUTR

EXTR

ZERO

DAC

ML/I2S

MC/DEM

MD/FSS

CS/IWO

MODE

MUTE

RST

LRCIN

DIN

BCKIN

Power Supply

Power-On Reset

PCM1732

CXA1511L/M

4 6 8

1

2 73 5

C1 C2GND fo N.C. VCCOUT

470, 680

0.01µ0.01µ

VCC=5V200k(fo = 40kHz)

HysteresisComparator

Detector &Comparator Integrator

BPFBEF

Limiter Amp

Head Amp

IN

PhotoDiode

ABLC

BA08T

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14DCM-380/280

1 1

1 2

L A 6 5 1 1

2 . 0

3 .1

2 4

S I P 1 0 H

L A 6 5 1 1

L A 6 5 3 0

L A 6 5 3 1

L A 6 5 3 3

L A 6 5 3 4

0 .7

1 . 9

1 6

0 .7

1 . 9

1 6

0 .7

1 . 9

1 6

0 .7

1 . 9

1 6

D I P 1 6 F

G a i n =1 2 d B

G a i n = 6 d B

D I P 1 6 F

D I P 1 6 F

D I P 1 6 F

L A 6 5 3 3

1 / 2 V C C

V C C

V I N

V I N 2

V MR E F

M u t e

V I N 2

M u t e

R 2

R L

R 3

R 1

R 1

R 1

R 3

G N D

V I N

O U T 1

O U T 2

1

2

3

4

5

6

7

8

9

1 0

O U

T 2

O U T 3

O U T 1

O U T 4

M U T E

B u f f e r o u t

B u f f e r I N

B u f f e r I N

B u f f e r

A m p

B u f f e r O U T

1 0 k Ω

1 0 k Ω

8 Ω

8 Ω

8 Ω

G N D

G N D

2 2 k Ω

2 2 k Ω

2 2 k Ω

2 2 k Ω

2 2 k Ω

2 2 k Ω

2 2 k Ω

2 2 k Ω

1 1 k Ω

1 1 k Ω

1 1 k Ω

1 1 k Ω

2

2

1

1

1 2

3 4

V I N 1 V

I N 1

8 Ω

V I N 2

V I N 2

V C C

V I N

V I N

V C C

B u f f e r

A m p

1 6

1 5

1 4

1 3

1 2

1 1

1 0 9

1 2 3 4 5 6 7 8

1 6

1 5

1 4

1 3

1 2

1 1

1 0 9

8 1 2 3 4 5 6 7

1

2

Ch1 - C h ann el

2Ch2 - C h ann el

T y p e N o .

F

un c t i o n s

E q ui v a l e n t c i r c ui t b l o c k d i a g r a m

a n d s a m p l e a p p l i c a

t i o n c i r c ui t

P a c k a g e

I o m a x

( A )

P d

m a x

( W )

V c c

m a x

( V )

T y p e N o .

F

un c t i o n s

E q ui v a l e n t c i r c ui t b l o c k d i a g r a m

a n d s a m p l e a p p l i c a

t i o n c i r c ui t

P a c k a g e

I o m a x

( A )

P d

m a x

( W )

V c c

m a x

( V )

B u i l t -i n m u t i n

g c i r c u i t s , b r i d g e c o n n e c t i o n

p o w e r o p e r a t i o n a l a m p l i f i e r

A m p 1 t o 4

o

u t p u t s a r e O F F wh e n

m u t e i s O N .

T h e r m a l s h u t d o wn c i r c u i t b u i l t i n



A m p 1 t o 4 a n

d b u f f e r o u t p u t s a r e

O F F wh e n m u t e i s O N .




A m p 1 t o 4 o u

t p u t s a r e O F F wh e n

m u t e i s O N .


H i g h s l e w

r a t e

2 - c h a n n e l b r i d g e c o n n e c t i o n

( B T L ) o p e r a t i o n


B u i l t -i n m u t i n g c i r c u i t s

S i n g l e - c h a n n

e l B T L p o w e r

o p e r a t i o n a l a m p l i f i e r

H i g h o u t p u t c u r r e n t ( I o m a x =2 . 0 A )

( 2 - c h a n n e l

o p e r a t i o n )

G a i n =2 0 I o g ( R

/ R ) + 6 d B

2

1

+-

+-+

+

-

+

+

+

-

-

-

L A 6 5 3 0 , 6 5 3 1 , 6 5 3 4

B r i d g e C

o n n e c t i o n P o w e r O p e r a t i o n a l A m p l i f i e r s

B r i d g e C

o n n e c t i o n P o w e r O p e r a t i o n a l A m p l i f i e r s

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15DCM-380/280

ICP-N taping (T104) ICP-N zigzag fold taping

3 3 0

40

2 7 5

6 . 0 ± 0 . 5

0±1.0

0±0.5

6.35±0.5 12.7±0.5

3.85±0.5

6.35±0.5

12.7±0.2

1 6 . 0 ± 0 . 5

5.2Max.

4.2Max.

5 . 2

M a x .

1 1 . 0

M a x .

2 . 5

M i n .

2 . 5

M i n .

6 . 0 ± 0 . 5

1 8 . 0

9 . 0 ± 0 . 5

0 ~ 0 . 5

+ 1 . 0

− 0 . 5

0 . 4

+ 0 . 2

− 0 . 1

1 9 . 0

+ 0 . 1

− 0 . 5

φ4.0±0.2

5.0+0.6−0.2

0 . 7 ± 0 . 2

0.5±0.1

BA05T

1

2

3

REFERENCE

VOLTAGE

GND

Vcc

OUT

+

-

+

MLC3110A

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16DCM-380/280

EXPLODED VIEW

Parts List

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17DCM-380/280

PARTS LIST OF EXPLODED VIEWNote: The symbols in the column "Remarks" indicate the following destinations.

E3: U.S.A./Canada model E2: Europe model

EK: U.K. model EA: Australia model

Ref.No. Part No. Part Name Remarks Q'ty New

1 958 0001 009 BOTTOM PLATE 100-KMD550-1213A 1

2 958 0001 106 BASE 100-KMD550-1214C 1

3 - DISK REF. NO.109 100-KMD550-1215A 1

4 - MOTOR(MEN-7E2T5,DC12V) 401-MK7-043 25 958 0071 204 GEAR SET 100-KMD550-860D2 1

6 958 0001 407 BELT GEAR 100-KMD280-732B 1

7 958 0001 504 S.GEAR 100-KMD280-734 2

8 958 0001 601 B.GEAR 100-KMD280-727 1

9 958 0001 708 MOTOR BELT 604-KMD280-094 1

10 958 0001 805 SCREW(M3x8 PTP BLACK) 602-KMD510-169 1

11 958 0001 902 SCREW(M2.6x4 P=0.45) 602-MK7-134 2

12 958 0002 008 INFRARED EMITTING PWB ASS'Y 704-DCM270X-1798 1

13 - MOTOR PULLEY 100-KMD280-728 1

14 958 0002 105 LEAF SW(LSA-2127E,3PIN) 403-KMD280-048 1

15 958 0002 202 SWIVEL PLATE 300-KMD550-466 1

16 958 0002 309 MAGNET 613-MK7-002 1

17 958 0002 406 DISC HOLDER 100-KMD550-1219 1

18 958 0002 503 MECHA ASS'Y 704-HV3423K-1441 1

19 958 0002 600 CD DECK HOLDER 100-KMD550-1220B 1

20 958 0002 707 CUSHION RUBBER(RED) 604-KMD550-117 2

21 958 0002 804 CUSHION RUBBER(WHITE) 604-KMD550-118 2

22 958 0002 901 SCREW(PTP M3x14mm) 602-KMD550-250 3

23 958 0003 007 SCREW(M3x9mm PTP) 602-SL24F-097 1

24 958 0003 104 STEEL WIRE 603-KMD280-200 1

25 958 0003 201 SCREW(TTP CAP M3x8mm) 602-B600-056 2

26 958 0003 308 WHEEL 100-KMD280-729 4

27 958 0003 405 LEAF SW(LSA-1119H,2PIN) 403-DM11A-020 2

28 958 0034 801 SCREW(2.6x8PTP) 602-SL24F-099 11

29 958 0003 609 SWITCH CONTROL 100-KMD280-730 1

30 958 0003 706 STAY R 300-KMD280-265RA 1

31 958 0003 803 PHOTO TRANSISTOR PWB ASS'Y 704-DCM270X-1797 1

32 958 0003 900 STAY L 300-KMD550-265L 1

33 958 0004 006 SCREW (TTP M2.6x6 PTP) 602-KMD510-158 1

34 958 0004 103 RIGHT BRACKET 300-KMDV280C-264A 1

35 958 0004 200 LEFT BRACKET 300-KMDV280C-263A 1

36 958 0038 302 SCREW(M3x8mm BTP) 602-2002-077 14

37 958 0004 404 SERIES NO. LABEL 501-DV300-1067 1

38 958 0001 216 DECORATING SHEET REF. NO.109 501-KMD550-1099 1

39 - MOTOR FIXED PLATE REF. NO.108 300-KMD550-262 1

40 958 0004 501 SCREW 602-M100-032 1

41 - SCREW(M2.6x3mm) REF. NO.108 602-KM500-155 2

42 - SPIRAL GEAR REF. NO.108 100-KMD280-731A 1

43 - SHAFT REF. NO.108 200-KMD280-174 1

44 958 0004 608 DRIVE GEAR 100-KMD550-1216 145 958 0004 705 SCREW(TTP 2.6x7 CAP 10 Z) 602-DV300-5023 5

46 958 0004 802 FORWARD GEAR FIXED IRON 300-KMD280-305 1

47 958 0004 909 SCREW(2.6x5.5mm) 602-KMD300-144 1

48 958 0005 005 MIDDLE GEAR 100-KMD280-733 1

49 958 0005 102 TRANSFER GEAR 100-KMD280-736A 1

50 958 0005 209 CORRECTING LEVER 100-KMD550-1217 1

51 958 0005 306 RUBBER RING 604-KM300-057 1

52 958 0005 403 WHEEL 100-KM300-516 1

53 958 0005 500 WHEEL SHAFT 200-KMD550-181 1

54 958 0005 607 COMMENTING SPRING 603-KMD550-199 1

55 958 0005 704 LEAF SW(LSA-1119F,2PIN) 403-KMD550-087 1

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18DCM-380/280

56 958 0005 801 CUSHION FOR SENSOR 612-DCM370-071 1

57 958 0005 908 FIXED CENTER WASHER 606-C426-066 1

58 958 0006 004 SCREW(TTP 3x10 ZK PTP) 602-MK7-131 1

59 958 0006 101 SCREW(M3x7 PTP) 602-SL24F-096 1

60 958 0006 208 MAIN PCB BRACKET 300-KMD550-486 1

61 958 0073 406 SERVO PWB ASS'Y 280BKE2/EA/EK 704-DCM280-4043 1 *

61 958 0073 503 SERVO PWB ASS'Y 280BKE3 704-280E3-4098 1 *

61 958 0073 600 SERVO PWB ASS'Y 380BKE3 704-DCM380-4039 1 *

62 958 0006 402 SCREW(W BTP 2.6X6 MC) 602-KMD550-255 2

63 958 0005 612 INFRARED RECEIVER MODULE 417-RC16-223 1

64 958 0006 606 WASHER(HIMILOM BLACK 18) 612-KT300-007 1

65 958 0006 703 FIXED SHEET(PVC) 501-KMD550-1146 4

66 958 0006 800 TRANSFER SCREWS LABEL 501-HT8023K-949 1

67 958 0006 907 SCREW(PTP 4x8mm L) 602-KMD550-261 1

68 958 0071 602 FUSE LABEL 280E3/380E3 501-280BKE3-1269 1 *

68 958 0071 709 FUSE LABEL 280E2/EK/EA 501-280BKE2-1269 1 *

69 958 0007 100 LASER BEAM LABEL 501-1033-428 1

70 958 0007 207 SCREW(TTB M 3x12mm) 602-DV300B-219 4

71 958 0071 806 FRONT PANEL 280E2/E3/EA/EK 100-280BKE3-1435 1 *

71 958 0071 903 FRONT PANEL 380BKE3 100-380BKE3-1435 1 *

72 958 0072 009 DECORATIVE PLATE 280E2/E3/EA/EK 501-DCM270-1209 1 *

72 143 1117 008 DECORATIVE PLATE 380BKE3 501-DCM370-1209 173 958 0072 106 CD DOOR 100-380BKE3-1302 1 *

74 958 0007 508 POWER KNOB 100-DCM370-1436S 1

75 958 0007 605 MAIN FUNCTION KNOB 100-DCM370-1437 1

76 958 0007 702 SCRE(3x5mm) 602-KE200-145 4

77 958 0072 203 HEADPHONE PWB ASS'Y 704-DCM380-4041 1 *

78 958 0072 300 VFD(HNA-07MM23) 410-DCM280-217 1 *

79 958 0008 109 VFD WASHER 612-HV3700K-059 2

80 958 0072 407 CONTROL PWB ASS'Y 704-DCM380-4040 1 *

! 81 958 0008 303 POWER SW 403-A100-005 1

82 958 0008 400 POWER SWITCH BRACKET 300-HDJ7000-478 1

83 958 0008 507 FOOT 612-DCM370-067 1

84 958 0008 604 SCREW(4x8mm TTB BLACK) 602-DCM270-281 2

85 958 0072 504 BUTTON BASE 300-HDM5000-502A 1 *86 958 0072 601 BACK BOARD 280BKE3 300-280BKE3-573 1 *

86 958 0072 708 BACK BOARD 280E2/EA/EK 300-280BKEK-573 1 *

86 958 0072 805 BACK BOARD 380BKE3 300-380BKE3-573 1 *

87 958 0008 905 TOP COVER 300-DCM370-574 1

88 958 0009 001 FOOT(ABS,KURZ AP82447-61) 100-DCM370-1438 5

! 89 958 0019 703 TRANSFORMER(AC230V/50Hz) 280E2/EA/EK 411-DCM370E2-165 1

! 89 958 0072 902 TRANSFORMER(AC120) 280E3/380E3 411-280E3-269 1 *

90 958 0038 807 ADHESIVE BACKED MOUNTS 504-HDJ7000-032 3

91 958 0009 302 SCREW(3x8mm) 602-HP1010K-175 11

92 958 0009 409 CORD BUSH 100-HC1421FR-991 1

93 958 0009 506 PROTECTION MAT 612-HMD5000-065 3

94 958 0073 008 SCREW(TTB M3x10mm) 602-HP10101K-174 1 *

95 958 0073 105 BRACKET TRANSFORMER 300-DV300B-443 2 *

! 96A 958 0009 700 AC POWER CORD(UL TYPE) 280E3/380E3 409-HMD5000-053 1

! 96B 958 0019 907 AC POWER CORD(BS TYPE) 280BKEK 409-HMD500B-037 1

! 96C 958 0073 202 AC POWER CORD(SAA TYPE) 280BKEA 409-PXE850G-038 1 *

! 96D 958 0019 800 AC POWER CORD 280BKE2 409-3004-016 1

97 958 0009 807 SCREW ASS'Y 701-AVD3500K-1668 2

98 958 0009 904 TRANSPORTATION SCREW LABEL 501-DCM270-1260 1

! 99 958 0010 003 SPARK CAPACITOR 413-1431-104 1

100 958 0070 205 POWER SW PWB(BARE) 405-DCM280-927A 1 *

! 101 958 0070 302 FUSE(315mAL/250V,VDE) 280BKE2/EK/EA 422-DCM280E2-043 1 *

! 101 958 0070 409 FUSE(750mA/250V,UL) 280E3/380E3 422-280E3-044 1 *

102 958 0045 609 FUSE COVER 504-DJ2500J-046 1

103 - DATE LABEL 280E3/380E3 701-DCM270BK-1930 1 *


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20DCM-380/280

PACKING VIEW

PARTS LIST OF PACKING & ACCESSORIESNote: The symbols in the column "Remarks" indicate the following destinations.

E3: U.S.A./Canada model E2: Europe modeI


Ref.No. Part No. Part Name Remarks Q'ty Ne

1 958 0070 001 GIFT BOX DCM280BKE2 507-280BKE2-2058 1 *

1 501 2225 001 GIFT BOX DCM280BKEA 507-280BKEK-2125 1 *

1 501 2222 004 GIFT BOX DCM280BKE3 507-280BKE3-2058 1 *

1 501 2225 001 GIFT BOX DCM280BKEK 507-280BKEK-2125 1 *

1 501 2223 003 GIFT BOX DCM380BKE3 507-380BKE3-2058 1 *2 958 0070 108 POLYBAG FOR UNIT 505-DJ2500H-046 1 *

3 958 0023 304 SOFT BAG 509-KMD520-040 1

4 958 0011 109 POLYFOAM L 506-HMD5000-198 1

5 958 0011 002 POLYFOAM R 506-HMD5000-197 1

6 399 0313 008 REMOTE CONTROL(RC258) ASS'Y 704-DCM270X-1799 1

7 958 0024 109 APPENDAGE LABEL 501-BJ2300E-1190 1

8 - I/B ASS'Y 280BKE2 701-280BKE2-2732 1

8 - I/B ASS'Y 280BKEA/BKEK 701-280BKEA-2739 1

8 - I/B ASS'Y 280BKE3/380BKE3 701-280BKE3-2728 1

8-1 958 0011 400 2P RCA PATH CORD 408-DV300-5001 1

8-2 - DRY BATTERY 426-1410FRL-004 1

8-3 511 3959 001 INSTRUCTION BOOK 280BKE3/BKEA/BKEK/380BKE3 502-280BKE3-1326 1 *

8-3 511 3960 003 INSTRUCTION BOOK 280BKE2 502-280BKE2-1330 1 *

8-4 515 0944 008 WARRANTY CARD 280BKE3/380BKE3 502-380BKE3-1329 1

8-5 515 0921 102 SERVICE SHEET 502-DCM280-1347 1

9 - BAR CODE 280BKE2 501-280BKE2-1248 2

9 - BAR CODE 280BKE3 501-280BKE3-1248 2

9 - BAR CODE 280BKEK 501-280BKEK-1248 2

9 - BAR CODE 380BKE3 501-380BKE3-1248 2

10 - BAR CODE 280BKE2 701-280BKE2-2733 1

10 - BAR CODE 280BKEA 701-280BKEA-2740 1

10 - BAR CODE 280BKE3 701-280BKE3-2729 1

10 - BAR CODE 280BKEK 701-280BKEK-2736 1

10 - BAR CODE 380BKE3 701-380BKE3-2725 1

11 958 0020 103 POLY FOAM 280BKEK/BKEA 506-270BKEK-228 2

1

2

3

5

4

6

7

8

1

2

38 −

10

10

11

11

8 −

8 −

−8 4

8 5−

9

9

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21DCM-380/280

EXPLODED VIEW OF CD MECHANISM UNIT (CD TRAV/UNIT KSM-213CCM)

PARTS LIST OF CD MECHANISM UNIT


1 SX2 6258 771 MOTOR CHASSIS ASS'Y 1

2 SX2 6257 691 MOTOR GEAR ASS'Y 1

3 S88 4841 509 OPTICAL PU KSS-213B(PR) 1

4 S26 2690 801 SLIDE SHAFT 1

5 S26 2690 701 GEAR(A)(S) 1

6 S76 2125 510 SCREW 2x3 2

7 S15 7208 511 LEAF SW 1

8 S16 3967 812 MOTOR (6P) (S) PCB 1

9 S15 6472 211 6P CONNECTOR (PIN) 1

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DCM-380/280

PRINTED WIRING BOARD

MAIN CD P.W.B. UNIT Ass’y

COMPONENT SIDE

Parts List

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DCM-380/280

FOIL SIDE

Parts List

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24DCM-380/280

t t t t

lllll Resistors

Ex.: RN 14K 2E 182 G FRType Shape Power Resist- Allowable Others

and per- ance errorformance

t tt t

ss

ss

Resistance

1 8 2 ⇒ 1800 ohm = 1.8 kohmIndicates number of zeros after effective number.2-digit effective number.

• Units: ohm

1 R 2 ⇒ 1.2 ohm1-digit effective number.2-digit effective number, decimal point indicated by R.

• Units: ohm

lllll Capacitors

Ex.: CE 04W 1H 2R2 M BPType Shape Dielectric Capacity Allowable Others

and per- strength errorformance

ss

ss

s s

Capacity (electrolyte only)

2 2 2 ⇒ 2200µFIndicates number of zeros after effect ive number.2-digit effective number.

• Units: µF.

2 R 2 ⇒ 2.2µF1-digit effective number.2-digit effective number, decimal point indicated by R.

• Units: µF.

Capacity (except electrolyte)

2 2 2 ⇒ 2200pF=0.0022µF(More than 2) Indicates number of zeros after effective number.

2-digit effective number.• Units: pF.

2 2 1 ⇒ 220pF(0 or 1) Indicates number of zeros after effective number.

2-digit effective number.• Units: pF.

• When the dielectric strength is indicated in AC, "AC" is included after the dieelectricstrength value.

s s

NOTE FOR PARTS LIST

l Part indicated with the mark "" are not always in stock and possibly to take a long period of time for supplying, or in

some case supplying of part may be refused.

l When ordering of part, clearly indicate "1" and "I" (i) to avoid mis-supplying.

l Ordering part without stating its part number can not be supplied.

l Part indicated with the mark " " is not illustrated in the exploded view.

l Not including Carbon Film ±5%, 1/4W Type in the P.W.Board parts list. (Refer to the Schematic Diagram for those parts.)

WARNING:Parts marked with this symbol have critical characteristics.

Use ONLY replacement parts recommended by the manufacturer.

RD :Carbon 2B : 1/8W F : ±1% P :Pulse-resistant typeRC : Composition 2E : 1/4W G : ±2% NL :Low noise typeRS : Metal oxide film 2H : 1/2W J : ±5% NB: Non-burning typeRW : Winding 3A : 1W K : ±10% FR :Fuse-resistorRN : Metal film 3D : 2W M : ±20% F :Lead wire formingRK : Metal mixture 3F : 3W

3H :5W

CE : Aluminum foil 0J : 6.3V F : ±1% HS : H igh stability typeelectrolytic

CA : Aluminum solid 1A : 10V G : ±2% BP : Non-polar typeelectrolytic

CS : Tantalum electrolytic 1C : 1 6V J : ±5% HR: Ripp le- resistant type

CQ : Film 1E : 25V K : ±10% DL: For change and d ischargeCK : Ceramic 1V : 35V M : ±20% HF: For assur ing h igh

requencyCC : Ceramic 1H : 50V Z : +80% U : UL partCP : Oil 2A :100V –20% C : CSA partCM : Mica 2B : 125V P : +100% W : UL-CSA typeCF : Metallized 2C : 160V –0% F : Lead wire formingCH :Metallized 2D : 200V C : ±0.25pF

2E : 250V D : ±0.5pF2H : 500V = : Others2J : 6 30V

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PARTS LIST OF P.W.B. UNIT

SERVO P.W.B. UNIT ASS’Y

Note: The symbols in the column "Remarks" indicate the following destinations.

E3: U.S.A./Canada model E2: Europe modelI



958 0073 406 SERVO P.W.B. UNIT ASS'Y 280BKE2/BKEA/BKEK 704-DCM280-4043 1 *

958 0073 503 SERVO P.W.B. UNIT ASS'Y 280BKE3 704-280E3-4098 1 *

958 0073 600 SERVO P.W.B. UNIT ASS'Y 380BKE3 704-DCM380-4039 1 *

SEMICONDUCTORS GROUP

IC101 958 0075 802 IC (CXA-2581N,SSOP-30,SMD) 417-DCM280-588 *

IC201 958 0075 705 IC (CXD3068Q,QFP-80,SMD) 417-DCM280-587 *

IC202 958 0073 901 IC (BA033FP-E2,TO252-3) 417-CTB200-500 *

IC203 958 0076 209 IC (74HC04/74HC04DT,SOP-14) 417-DCM370E3-378 *

IC301 262 2901 909 IC (PCM1732,SOP-28) Only 380 417-DCM370X-328 *

IC302 958 0015 105 IC (4558D/6458DF/BA4558,DIP-8) 417-HDJ7000-261

IC303 958 0073 804 IC (NJM-4556AD) 417-3113-018 *

IC304 958 0016 308 IC (LM78L05 TAPING TO-92) 417-PMSE1-161

IC351 262 3166 905 IC (PCM1748E,SMD) Only 280 417-DCM280-601 *

IC401 958 0074 007 IC (VA5979S,DIP-32) 417-DCM280-596 *

IC402 958 0015 202 IC (LA6531) 417-KC220-045

IC501 262 2580 906 IC (CXA1511M,28PIN,SOP) Only 380 417-DCM370E3-329 *

IC502 958 0075 909 IC (CXP82052,MASK) 417-DCM280-589 *

IC601 958 0076 102 IC (MLC3110A,SMD) 417-DCM280-595 *

IC602 958 0076 005 SDRAM (K4S161622D-TC80,16M) 417-DCM280-594 *

IC701 958 0073 901 IC (BA033FP-E2,TO252-3) 417-CTB200-500 *

IC702 958 0040 303 IC 7805 417-KC730-123

IC703 958 0073 707 IC NJM7808 417-HTV8023KA-5006 *

IC704 958 0074 405 IC (78L12,TAPING,TO-92) 417-DCM370E3-373 *

IC705 958 0074 502 IC (79L12,TAPING,TO-92) 417-DCM370E3-374 *

! ICP701-703 958 0016 201 IC (ICP-N38,2 PIN,TAPING) 417-DCM270X-330

Q101 958 0016 007 TRANSISTOR (2SA933SR) 416-3113-008

Q301,302 958 0016 104 TRANSISTOR (2SD1468 TAPING) 416-3113-009

Q305 958 0074 104 TRANSISTOR (DTA114TSATP,3PIN) 416-DCM380-212 *

Q401 958 0074 201 TRANSISTOR (DTC114ES) 416-HC1421FR-058 *

Q501,502 958 0074 201 TRANSISTOR (DTC114ES) 416-HC1421FR-058 *

Q503 958 0074 308 TRANSISTOR (DTC114TSA-TP) 416-QMX1-148 *

Q601 958 0074 201 TRANSISTOR (DTC114ES) 416-HC1421FR-058 *

Q701,702 958 0074 201 TRANSISTOR (DTC114ES) 416-HC1421FR-058 *

Q702 958 0015 901 TRANSISTOR (2SB1010(R)) 416-1360S-017

D101 958 0042 806 SWITCHING DIODE (1SS132/1SS133) 414-3113-005

D301 958 0042 806 SWITCHING DIODE (1SS132/1SS133) 414-3113-005D401 958 0075 501 ZENER DIODE (MTZJ10-B,1/2W,T-77) 414-SPPW3-061 *

D501,502 958 0075 307 ZENER DIODE (MTZJ5.6-B) 414-HT8033-032 *



D702 958 0075 404 ZENER DIODE (MTZJ3.3B,1/2W,T-77) 414-HV3500K-071 *


D708 958 0075 103 ZENER DIODE (MTZJ5.1-B) 414-HDJ200-056 *

D709-712 958 0075 006 RECTIFYING DIODE (1N4004) 414-DV300-055 *

D713,714 958 0042 806 SWITCHING DIODE (1SS132/1SS133) 414-3113-005

D715-718 958 0075 006 RECTIFYING DIODE (1N4004) 414-DV300-055 *

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D721 958 0075 006 RECTIFYING DIODE (1N4004) 414-DV300-055 *

D722 958 0016 706 ZENER DIODE (MTZJ27-D,1/2W,T-77) 414-DCM270E3-093

D723 958 0075 200 ZENER DIODE (MTZJ6.2-B) 414-HT8015-024 *

RESISTORS GROUP

R101,102 CHIP RESISTOR (12K OHM,1/10W) 412-007USB-702

R103 CHIP RESISTOR (15 OHM,1/10W) 412-007USB-696

R104 CHIP RESISTOR (470 OHM,1/10W) 412-CDVD2001-545

R105 CHIP RESISTOR (100K OHM,1/10W) 412-CDVD2001-537

R107 CHIP RESISTOR (27K OHM) 412-007USB-675



R112 CHIP RESISTOR (120K OHM,1/10W) 412-007USB-689





R119,120 CHIP RESISTOR (47K OHM,1/10W) 412-CDVD2001-532R121 CHIP RESISTOR (150K OHM,1/10W) 412-007USB-688




R202 CHIP RESISTOR (3.3K OHM,1/10W) 412-007USB-699




R206,207 CHIP RESISTOR (10K OHM,1/10W) 412-CDVD2001-534

R208 CHIP RESISTOR (1M OHM,1/10W) 412-CDVD2001-546




R212,213 CHIP RESISTOR (47 OHM,1/10W) 412-007USB-697


R215 CHIP RESISTOR (1M OHM,1/10W) 412-CDVD2001-546

R216-219 CHIP RESISTOR (1K OHM,1/10W) 412-CDVD2001-540

R220-226 CHIP RESISTOR (470 OHM,1/10W) 412-CDVD2001-545





R305,306 CHIP RESISTOR (220 OHM,1/10W) 412-CDVD2001-521


R308 CHIP RESISTOR (10K OHM,1/10W) Only 380 412-CDVD2001-534


R310 CHIP RESISTOR (1.5K OHM,1/10W) 412-CDVD2001-550








R320 CARBON FILM RESISTOR (39 OHM) 412-CDMIX2-501

R322 CARBON FILM RESISTOR (39 OHM) 412-CDMIX2-501


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R324,325 CHIP RESISTOR (2.7K OHM,1/10W) 412-007USB-677

R327 CARBON FILM RESISTOR (56 OHM) 412-KT346-113

R332-335 CHIP RESISTOR (0 OHM,1/10W) Only 280 412-CDVD2001-552




R406 CHIP RESISTOR (1.5K OHM,1/10W) 412-CDVD2001-550R407 CHIP RESISTOR (1K OHM,1/10W) 412-CDVD2001-540

R408,409 958 0076 306 METAL FILM RESISTOR (0.47 OHM,1W) 412-DCM280-710




R416-420 CHIP RESISTOR (15K OHM,1/10W) 412-007USB-687



R424 CHIP RESISTOR (270 OHM,1/10W) 412-007USB-698




R502 CHIP RESISTOR (220 OHM,1/10W) Only 380 412-CDVD2001-521R504 CHIP RESISTOR (470 OHM,1/10W) Only 380 412-CDVD2001-545


R506 CARBON FILM RESISTOR (47 OHM) Only 380 412-KC220-133




R510-519 CHIP RESISTOR (470 OHM,1/10W) 412-CDVD2001-545










R596 CHIP RESISTOR (0 OHM,1/10W) 380BKE3 412-CDVD2001-552

R597 CHIP RESISTOR (10K OHM,1/10W) 280BKE2 412-CDVD2001-534

R598 CHIP RESISTOR (0 OHM,1/10W) Only 280 412-CDVD2001-552





R607-609 CARBON FILM RESISTOR (39 OHM) 412-CDMIX2-501





R706 CARBON FILM RESISTOR (1.8K OHM,1/4W,J,T-26) 412-HT7016-230



R710 CHIP RESISTOR (2.2 OHM,1/10W) 412-DCM280-719


R714,715 958 0076 403 METAL FILM RESISTOR (10 OHM,1W) 412-DCM280-720

R718,719 CHIP RESISTOR (4.7K OHM,1/10W) 412-CDVD2001-523


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CAPACITORS GROUP

C101 CHIP CAPACITOR (0.1uF/50V) 413-DCM280-773

C102 ELEC. CAPACITOR (47uF/10V,M) 413-3113-043

C103 ELEC. CAPACITOR (4.7uF/50V) 413-3113-050

C104 ELEC. CAPACITOR (47uF/10V,M) 413-3113-043


C106 ELEC. CAPACITOR (1uF/50V) 413-3113-049C107 CHIP CAPACITOR (1000pF/50V) 413-DCM280-768

C108 ELEC. CAPACITOR (100uF/10V) 413-3113-046


C110 CHIP CAPACITOR (1000pF/50V) 413-DCM280-768




C114,115 ELEC. CAPACITOR (47uF/10V,M) 413-3113-043


C117 CHIP CAPACITOR (470P,0603 TYPE) 413-007USB-786


C201 CHIP CAPACITOR (470P,0603 TYPE) 413-007USB-786

C202 CHIP CAPACITOR (0.01uF/50V) 413-DCM280-771C203 ELEC. CAPACITOR (0.47uF/50V) 413-KT350-093




C207 CHIP CAPACITOR (0.047uF/50V) Only 380 413-DCM280-772

C208 CHIP CAPACITOR (220pF/50V) 413-007USB-787




C212 ELEC. CAPACITOR (10uF/50V) 413-DM1000-352

C213 ELEC. CAPACITOR (22uF/16V) 413-HT8015-163


C215,216 CHIP CAPACITOR (22pF/50V) 413-CR701-5161














C302,303 ELEC. CAPACITOR (10uF/50V) Only 380 413-DM1000-352

C304 ELEC. CAPACITOR (100uF/10V) Only 380 413-3113-046



C307-309 ELEC. CAPACITOR (10uF/50V) Only 380 413-DM1000-352

C308 ELEC. CAPACITOR (10uF/50V) Only 280 413-DM1000-352


C311,312 CHIP CAPACITOR (3300pF/50V) 413-DCM280-770




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C316,317 ELEC. CAPACITOR (47uF/16V) 413-KT350-085


C321,322 CHIP CAPACITOR (470P,0603 TYPE) 413-007USB-786



C328-330 CHIP CAPACITOR (1000pF/50V) 413-DCM280-768

C331 ELEC. CAPACITOR (33uF/50V) 413-DM1000-347C351-353 ELEC. CAPACITOR (10uF/50V) Only 280 413-DM1000-352

C401 ELEC. CAPACITOR (220uF/10V) 413-KC220-119





C406 MYLAR CAPACITOR (0.1uF/100V) 413-KT350-089


C409-413 CHIP CAPACITOR (0.01uF/50V) 413-DCM280-771

C414 ELEC. CAPACITOR (100uF/16V) 413-PXE90-109


C416,417 CHIP CAPACITOR (0.01uF/50V) 413-DCM280-771

C418 CHIP CAPACITOR (0.1uF/50V) 413-DCM280-773C419 CHIP CAPACITOR (0.1uF/50V) 413-DCM280-773



C501 ELEC. CAPACITOR (1uF/50V) Only 380 413-3113-049

C502,503 MYLAR CAPACITOR (0.01uF J 50V TAPING) Only 380 413-3113-057


C505 ELEC. CAPACITOR (22uF/16V) Only 380 413-HT8015-163



C511 ELEC. CAPACITOR (4.7uF/50V) 413-3113-050


C513 CHIP CAPACITOR (12pF,0603TYPE) 413-DCM280-809





















C705 958 0076 500 ELEC. CAPACITOR (3300uF/25V) 413-DCM280-774


C707,708 ELEC. CAPACITOR (100uF/16V) 413-PXE90-109

C709,710 CHIP CAPACITOR (22p,0603 TYPE) 413-DCM380-793


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C712 ELEC. CAPACITOR (100uF/35V) 413-HMD5000-356

C713 ELEC. CAPACITOR (100uF/50V) 413-HC1421FR-277



C718,719 ELEC. CAPACITOR (100uF/50V) 413-HC1421FR-277


C721 CERAMIC CAPACITOR (1000pF/50V) 413-1430-071

OTHER PARTS GROUP

A-A' - LEAD WIRE (L=80mm) 406-BD1550-487 1

CP101 958 0074 900 16P FFC SOCKET 404-DCM280-1536 1 *

CP301 958 0050 801 3P SOCKET (S3B-PH-K,JST) 404-HMD5000-784 1

CP401 958 0013 505 6P SOCKET (JST,P=2mm) 404-90V1-101 1

CP402 958 0041 506 7P SOCKET (S7B-PH-K,JST) 404-HMD5000-785 1

CP403 958 0013 408 BASE 8P (JAE P=2mm) 404-501-085 1

CP501 958 0013 602 27P FFC SOCKET (P=1mm) 404-DCM270X-793 1CP502 958 0041 506 7P SOCKET (S7B-PH-K,JST) 404-HMD5000-785 1

CP704 958 0013 903 5P SOCKET (P=3.75mm) 404-HV3363K-555 1

CP705 958 0020 501 5P BASE (JST P=2.5mm,WHITE) 404-DJ1900-172 1

J009 CHIP RESISTOR(0 OHM,1/10W) 412-CDVD2001-552 1




J063 CHIP RESISTOR(0 OHM,1/10W) Only 380 412-CDVD2001-552 1




J161-163 CHIP RESISTOR(0 OHM,1/10W) 412-CDVD2001-552 3






JK201 958 0074 609 1P RCA JACK (RJ-1081-31-0341A) 420-HDJ2650-097A 1 *

JK301 958 0015 309 2P RCA JACK (RJ-1084-10-0320A) 420-HMD5000-058 1

JK504 958 0074 706 HEADPHONE JACK Only 280 420-HMDV3360K-5014 1 *

JK502-504 958 0074 706 HEADPHONE JACK Only 380 420-HMDV3360K-5014 3 *

L101,102 958 0016 900 BEAD CORE (86-019-A TAPING) 415-HV3500K-090 2

L103 958 0017 006 INDUCTOR (10uH TAPING52mm) 415-MPG100-047 1

L201 958 0016 900 BEAD CORE (86-019-A TAPING) 415-HV3500K-090 1


L351,352 958 0017 006 INDUCTOR (10uH TAPING52mm) 415-MPG100-047 2




T201 958 0020 705 COIL (P-7GB) 415-RCC955A-091 1

X201 958 0015 600 CRYSTAL (16.9344MHz) 427-KC710-019 1


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CONTROL P.W.B. UNIT ASS’Y

X501 958 0074 803 CITIZEN BRAND (CSA-309,16MHz) 427-CDN88-072 1 *

- HEAT SINK (HW-7501-1) 425-DCM280-063 1

- HEAT SINK 425-KMD3500-016A 1

958 0038 302 SCREW (3x8mm BTP) 602-2002-077 2

- CERAMIC TUBE (4x2x11.5mm) 605-KMD510P-034 2

- GROUND WIRE (L=110mm) 406-DCM270E3-479 1

- SERVO P.W.B. 405-DCM280-925 1 *


958 0072 407 CONTROL P.W.B. UNIT ASS'Y 704-DCM380-4040 1 *

RESISTORS GROUP

R801 CHIP RESISTOR (2.2K OHM) 412-007USB-693R802 CHIP RESISTOR (560 OHM) 412-CDVD2001-549

R803 CHIP RESISTOR (910 OH,0603 TYPE) 412-007USB-691


R805 CHIP RESISTOR (5.6K OHM) 412-007USB-701

R806 CHIP RESISTOR (2.2K OHM) 412-007USB-693

R807 CHIP RESISTOR (560 OHM) 412-CDVD2001-549

R808 CHIP RESISTOR (910 OH,0603 TYPE) 412-007USB-691



CAPACITORS GROUP





OTHER PARTS GROUP

CP801 958 0013 602 27P FFC SOCKET (P=1mm) 404-DCM270X-793 1

CN802 958 0076 607 7P2.0 CONNECTOR WIRE (L=300mm) 404-DCM280-1566 1 *

FL801 958 0072 300 VFD (HNA-07MM23) 410-DCM280-217 1 *

S801 958 0006 512 INFRARED RECEIVER MODULE 417-RC16-223 1

SW801-809 958 0018 306 TACT SW (SKHVBE3520-HF,TAPING) 403-DCM270X-101 1

- GROUND WIRE (L=110mm) 406-DCM270E3-479 1

958 0070 904 27P1.0 FFC CABLE (L=255mm) 406-DCM280-667 1 *


7/22/2019 Denon-DCM280 380 CD


32

32DCM-380/280

HEADPHONE P.W.B. UNIT ASS’Y

PHOTO TRANSISTOR P.W.B. UNIT ASS’Y

INFRARED EMITTING P.W.B. UNIT ASS’Y

958 0005 801 CUSHION FOR SENSOR 612-DCM370-071 1

958 0008 109 VFD WASHER 612-HV3700K-059 2

- CONTROL P.W.B. (BARE) 405-DCM280-926 1


958 0072 203 HEADPHONE P.W.B. UNIT ASS'Y 704-DCM380-4041 1 *

CAPACITORS GROUP



OTHER PARTS GROUP

CN301 958 0076 704 3P SOCKET (B3B-PH-K,JST) 404-HP1010K-259 1 *

GND 958 0017 802 WIRE (L=80mm) 406-HV3500K-408 1

L303-305 958 0016 900 BEAD CORE (86-019-A TAPING) 415-HV3500K-090 3

JK302 958 0018 102 HEADPHONE JACK (JY-6313-01-030G) 420-DCM270X-062 1

- HEADPHONE P.W.B. (BARE) 405-DCM280-928 1


958 0003 803 PHOTO TRANSISTOR P.W.B. UNIT ASS'Y 704-DCM270X-1797 1

Q01 958 0018 209 PHOTO TRANSISTOR (LTR-301) 416-DCM270X-120 1

- PHOTO TRANSISTOR P.W.B. 405-DCM270X-418 1


958 0002 008 INFRARED EMITTING P.W.B. UNIT ASS'Y 704-DCM270X-1798 1

D01 958 0018 403 INFRARED EMITTING DIODE 410-DCM270X-132 1

R01 CARBON FILM RESISTOR (390 OHM) 412-3113-076 1

958 0021 005 LED HOLDER 605-DCM270-055 1

- INFRARED EMITTING P.W.B. 405-DCM270X-419 1


7/22/2019 Denon-DCM280 380 CD


SCHEMATIC DIAGRAMS MAIN CD UNIT (DCM-380 only)

SCHEMATIC DIAGRAMS (1/3)

1 2 3 4 5 6 7 8 9 10 1

NOTICE: ALL RESISTANCE VALUES IN OHM.k=1,000 OHM M=1,000,000 OHM ALL CAPACITANCE VALUES IN MICRO FARAD.P=MICRO-MICRO FARADEACH VOLTAGE AND CURRENT ARE MEASUERD AT NO SIGNAL INPUTCONDITION.CIRCUIT AND PARTS ARE SUBJECT TO CHANGE WITHOUT PRIORNOTICE.

WARNING:Parts marked with this symbol have critical characteristics.Use ONLY replacement parts recommended by the manufacturer.

CAUTION:Before returning the unit to the customer, make sure you make either (1) aleakage current check or (2) a line to chassis resistance check. If the leakagecurrent exceeds 0.5 milliamps, or if the resistance from chassis to either sideof the power card is less than 460 kohms, the unit is defective.

WARNING:DO NOT return the unit to the customer until the problem is located andcorrected.

DCM-3

7/22/2019 Denon-DCM280 380 CD


SCHEMATIC DIAGRAMS MAIN CD UNIT (DCM-280 only)


1 2 3 4 5 6 7 8 9 10 1

NOTICE: ALL RESISTANCE VALUES IN OHM.k=1,000 OHM M=1,000,000 OHM ALL CAPACITANCE VALUES IN MICRO FARAD.P=MICRO-MICRO FARADEACH VOLTAGE AND CURRENT ARE MEASUERD AT NO SIGNAL INPUTCONDITION.CIRCUIT AND PARTS ARE SUBJECT TO CHANGE WITHOUT PRIORNOTICE.

WARNING:Parts marked with this symbol have critical characteristics.Use ONLY replacement parts recommended by the manufacturer.

CAUTION:Before returning the unit to the customer, make sure you make either (1) aleakage current check or (2) a line to chassis resistance check. If the leakagecurrent exceeds 0.5 milliamps, or if the resistance from chassis to either sideof the power card is less than 460 kohms, the unit is defective.

WARNING:DO NOT return the unit to the customer until the problem is located andcorrected.

DCM-3

7/22/2019 Denon-DCM280 380 CD



21 3 4

NOTICE: ALL RESISTANCE VALUES IN OHM. k=1,000 OHM M=1,000,000 OHM

ALL CAPACITANCE VALUES IN MICRO FARAD. P=MICRO-MICRO FARAD

EACH VOLTAGE AND CURRENT ARE MEASUERD AT NO SIGNAL INPUT

CONDITION.

CIRCUIT AND PARTS ARE SUBJECT TO CHANGE WITHOUT PRIORNOTICE.

WARNING:Parts marked with this symbol have critical characteristics.

Use ONLY replacement parts recommended by the manufacturer.

CAUTION:Before returning the unit to the customer, make sure you make either (1) a

leakage current check or (2) a line to chassis resistance check. If the leakage

current exceeds 0 5 milliamps or if the resistance from chassis to either side

DCM-380/280 3

Date post:	10-Feb-2018
Category:	Documents
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Denon-DCM280 380 CD

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