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AVR-2803/983/AVC-2870

1U-3474 DSP UNIT (For All model)

Ref.No. Part No. Part Name Remarks New

SEMICONDUCTORS GROUP

IC801 262 3164 004 ADSST-MEL100 P.W.B. Unit Ass'y replace

IC802 262 2859 909 74VHC02MTCX

IC803,804 262 3177 907 74VHC573MTCX

IC805 262 3232 101 M29W160DB90N1(3803A)

IC806 262 2916 004 64M SDRAM(TSOP)

IC808 262 3063 901 FCX0-03(25.000MHZ)

D801 276 0750 902 RB521S-30TE61

CAPACITORS GROUP

C801 257 5009 974 CK73F1C104ZT

C802 257 5006 993 CK73B1H102KT

C803 254 4603 916 CE67W1E100MT(P.CAP)

C804 257 5009 974 CK73F1C104ZT

C805 257 5006 993 CK73B1H102KT

C806 254 4601 918 CE67W0J471MT(P.CAP)

C807-809 257 5009 974 CK73F1C104ZT

C810-812 257 5006 993 CK73B1H102KT

C813 254 4601 918 CE67W0J471MT(P.CAP)

C814-819 257 5009 932 CK73F1E223ZT

C820 257 5009 974 CK73F1C104ZT

C821 257 5006 993 CK73B1H102KT

C822 254 4603 916 CE67W1E100MT(P.CAP)

OTHER PARTS GROUP

CW201,202 205 1247 904 20P SOCKET(9142)-SMT

AVR-2803/983 /AVC-28701
COVER1
SAFETY PRECAUTIONS2
DISASSEMBLY3
CAUTION IN SERVICING6
ADJUSTMENT7
BLOCK DIAGRAMS9
LEVEL DIAGRAMS11
CLOCK FLOW & WAVE FORM IN DIGITAL BLOCK15
CHECK WITH TEST MODE16
SEMICONDUCTORS17
- IC's17
- TRANSISTORS/DIODES30
- FL DISPLAY31
PRINTED WIRING BOARD32
- 1U-3469 POWER UNIT Ass'y32
  - FOIL SIDE33
- 1U-3470 CONNECT/ VIDEO UNIT Ass'y34
  - FOIL SIDE35
- 1U-3471 CONTROL UNIT Ass'y36
  - FOIL SIDE37
- 1U-3472 AMP CONNECT UNIT Ass'y38
- 1U-3474 DSP UNIT Ass'y39
- 1U-3475Z-2 COMP.D4 UNIT (For Japan model)40
- 1U-3486 AUDIO/ DIGITAL UNIT Ass'y41
  - FOIL SIDE42
NOTE FOR PARTS LIST43
PARTS LIST OF P.W.B UNIT ASS'Y(Except Japan model)44
- 1U-3469 POWER UNIT ASS'Y(Except Japan model)44
- 1U-3470 CONNECT/VIDEO UNIT ASS'Y(Except Japan model)47
- 1U-3471 CONTROL UNIT ASS'Y(Except Japan model)51
- 1U-3472 AMP CONNECT UNIT ASS'Y(Except Japan model)54
- 1U-3474 DSP UNIT (For All Model)58
- 1U-3486 AUDIO/DIGITAL UNIT ASS'Y(Except Japan model)59
PARTS LIST OF P.W.B UNIT ASS'Y(For Japan model)64
- 1U-3469J POWER UNIT ASS'Y(For Japan model)64
- 1U-3470J CONNECT/VIDEO UNIT ASS'Y(For Japan model)67
- 1U-3471J CONTROL UNIT ASS'Y(For Japan mode)71
- 1U-3472J AMP CONNECT UNIT ASS'Y(For Japan model)74
- 1U-3474 DSP UNIT (For All model)78
- 1U-3475Z-2 COMP. D4 UNIT (For Japan model)79
- 1U-3486D AUDIO/DIGITAL UNIT ASS'Y(For Japan model)80
EXPLODED VIEW84
PARTS LIST OF EXPLODED VIEW85
PACKING VIEW88
WIRING DIAGRAM89
NOTE FOR SCHEMATIC DIAGRAM90
SCHEMATIC DIAGRAMS(Except Japan Model)91
- (1/12)1U-3486-2 AUDIO IN UNIT91
- (2/12)1U-3486-1(1/2) DIGITAL UNIT92
- (3/12)1U-3486-1(2/2) DIGITAL UNIT93
- (4/12)1U-3474 DSP UNIT(For All model)94
- (5/12)1U-3486-3 EXT IN VR UNIT95
- (6/12)1U-3470-1 CONNECT UNIT 1U-3470-2 FRONT UNIT96
- (7/12)(9/12)1U-3469-6 PRE_OUT_UNIT97
- (8/12)1U-3469-1 POWER UNIT98
- (10/12)1U-3471-1 CONTROL UNIT99
- (11/12)1U-3471-2 DISPLAY UNIT100
  - 1U-3471-3 VOL UNIT100
- (12/12)1U-3470-3 S-VIDEO_UNIT101
SCHEMATIC DIAGRAMS(For Japan Model)102
- (1/12)1U-3486-2 AUDIO IN UNIT102
- (2/12)1U-3486-1(1/2) DIGITAL UNIT103
- (3/12)1U-3486-1(2/2) DIGITAL UNIT104
- (4/12)1U-3474 DSP UNIT(For ALL model)105
- (5/12)1U-3486-3 EXT IN VR UNIT106
- (6/12)1U-3470-1 CONNECT UNIT107
  - 1U-3470-2 FRONT UNIT107
- (7/12)(9/12)1U-3469-6 PRE_OUT_UNIT108
- (8/12)1U-3469-1 POWER UNIT109
  - 1U-3469-2 H/P UNIT109
  - 1U-3469-3 P.SW-1 UNIT(U.S.A.,Canada & Japan model only)109
- (10/12)1U-3471-1 CONTROL UNIT110
- (11/12)1U-3471-2 DISPLAY UNIT111
  - 1U-3471-3 VOL UNIT111
- (12/12)1U-3470-3 S-VIDEO_UNIT112
- (12A/12)1U-3475-2 COMP.D4 UNIT(AVC model only)113

Brand	Denon
Model	AVR-2803
Category	Stereo Receiver
Language	English

Denon AVR-2803 Service Manual

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