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Stereo Receiver
AVR-2803
Denon AVR-2803 Service Manual
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31
31
AVR-2803/983/AVC-2
870
CM1690C
(CO:
FL101)
FL
DISPL
A
Y
S38
S14
S9
S1
S2
S3
S4
S5
S12
S13
S7
S15
S6
S10
S11
G1
F2
F1
1
58
G2~G16
Pin
Assignment
PIN
NO.
CONNECTIO
N
123
4
5
6
789
1
0
1
1
1
2
1
3
1
4
1
5
1
6
1
7
1
8
1
9
23
24
25
26
27
28
29
30
31
32
33
34
F1
F1
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
S11
S12
S13
S14
S15
S16
S17
PIN
NO.
CONNECTIO
N
20
21
22
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
S18
S19
S20
S21
S22
S23
S24
S25
S26
S27
S28
S29
S30
S31
S32
S33
S34
S35
S36
S37
S38
G16
G15
G14
G13
G12
G11
G10
G9
G8
G7
G6
G5
G4
G3
G2
G1
F2
F2
PIN
NO.
CONNECTIO
N
58
F1,F2
:
Filament
G1~G16
:
Grid
S1~S38
:
Anode
S13
S14
S15
S16
S17
S18
S19
S20
S21
S22
S23
S24
G1
G2
G3
G4
G5
G6
G7
G8
G9
G10
G11
G12
G13
G14
G15
G16
S38
S36
S37
S38
2
DBS
TV
1
VDP
TA
P
E
/
/(DVD)
/(MD)
AUX
DVD
MD
V.
A
U
X
TUNER
2
3
CD
1
PHON
O
VCR
REC
MUL
TI
STEREO
AUT
O
TUNED
RDS
CH
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
S11
S12
S1
S2
S3
S4
S5
S6
S7
S9
S10
S11
S12
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
S11
S12
S13
S14
S15
S16
S17
S18
S19
S20
S21
S22
S23
S24
S13
S14
S15
S25
S26
S27
S28
S29
S30
S31
S32
S33
S34
S35
S25
S26
S27
S28
S29
S30
S31
S32
S33
S34
S35
G2~G16
G1
G2~G16
G1
G2~G16
G1
G2~G16
G1
DIGIT
A
L
PRO
LOGIC
S1
S6
S11
S16
S21
S26
S31
S2
S7
S12
S17
S22
S27
S32
S3
S8
S13
S18
S23
S28
S33
S4
S9
S14
S19
S24
S29
S34
S5
S10
S15
S20
S25
S30
S35
Anode
&
Grid
Assignment
STEREO
AUTO
TUNED
RDS
REC
MUL
TI
PHONO
VCR
CD
1
TUNER
23
AUX
V.
A
U
X
DVD
MD
VDP
TA
P
E
TV
1
DBS
2
PRO
L
OGIC
DIGIT
AL
CH
DIGIT
A
L
ANALOG
G15
STERE
O
AUTO
G16
TUNED
RDS
REC
MUL
TI
G12
PHONO
VCR
G10
CD
1
G9
TUNER
23
G7
AUX
V.
A
U
X
G6
DVD
MD
G4
VDP
TA
P
E
G3
TV
1
DBS
2
G13
G5
G2
G1
PRO
L
O
GIC
DIGIT
AL
DIGIT
A
L
ANALOG
CH
G14
G11
G8
30
32
Table of Contents
AVR-2803/983 /AVC-2870
1
COVER
1
SAFETY PRECAUTIONS
2
DISASSEMBLY
3
CAUTION IN SERVICING
6
ADJUSTMENT
7
BLOCK DIAGRAMS
9
LEVEL DIAGRAMS
11
CLOCK FLOW & WAVE FORM IN DIGITAL BLOCK
15
CHECK WITH TEST MODE
16
SEMICONDUCTORS
17
IC's
17
TRANSISTORS/DIODES
30
FL DISPLAY
31
PRINTED WIRING BOARD
32
1U-3469 POWER UNIT Ass'y
32
FOIL SIDE
33
1U-3470 CONNECT/ VIDEO UNIT Ass'y
34
FOIL SIDE
35
1U-3471 CONTROL UNIT Ass'y
36
FOIL SIDE
37
1U-3472 AMP CONNECT UNIT Ass'y
38
1U-3474 DSP UNIT Ass'y
39
1U-3475Z-2 COMP.D4 UNIT (For Japan model)
40
1U-3486 AUDIO/ DIGITAL UNIT Ass'y
41
FOIL SIDE
42
NOTE FOR PARTS LIST
43
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 VIEW
84
PARTS LIST OF EXPLODED VIEW
85
PACKING VIEW
88
WIRING DIAGRAM
89
NOTE FOR SCHEMATIC DIAGRAM
90
SCHEMATIC DIAGRAMS(Except Japan Model)
91
(1/12)1U-3486-2 AUDIO IN UNIT
91
(2/12)1U-3486-1(1/2) DIGITAL UNIT
92
(3/12)1U-3486-1(2/2) DIGITAL UNIT
93
(4/12)1U-3474 DSP UNIT(For All model)
94
(5/12)1U-3486-3 EXT IN VR UNIT
95
(6/12)1U-3470-1 CONNECT UNIT 1U-3470-2 FRONT UNIT
96
(7/12)(9/12)1U-3469-6 PRE_OUT_UNIT
97
1U-3472-1 REGULATOR UNIT
97
1U-3472-2 AMP CONNECT UNIT
97
1U-3472-3 AC_IN UNIT
97
1U-3472-4 EXT_IN_CONN.UNIT
97
1U-3472-5 TU_CONNECT UNIT
97
1U-3472-6 AUDIO CONN.UNIT
97
1U-3472-7 P.SW-2 UNIT
97
(8/12)1U-3469-1 POWER UNIT
98
1U-3469-2 H/P UNIT
98
1U-3469-3 P.SW-1 UNIT(U.S.A.,Canada & Japan model only)
98
1U-3469-4 VOL.SEL-1 UNIT(Asia & Hong Kong model only)
98
1U-3469-5 VOL.SEL-2 UNIT(Asia & Hong Kong model only)
98
(10/12)1U-3471-1 CONTROL UNIT
99
(11/12)1U-3471-2 DISPLAY UNIT
100
1U-3471-3 VOL UNIT
100
(12/12)1U-3470-3 S-VIDEO_UNIT
101
1U-3470-4 C-VIDEO_UNIT
101
1U-3470-5 COMP.VIDEO UNIT(AVR model only)
101
1U-3470-6 REMOTE I/O UNIT
101
1U-3470-7 VCONNECT UNIT
101
SCHEMATIC DIAGRAMS(For Japan Model)
102
(1/12)1U-3486-2 AUDIO IN UNIT
102
(2/12)1U-3486-1(1/2) DIGITAL UNIT
103
(3/12)1U-3486-1(2/2) DIGITAL UNIT
104
(4/12)1U-3474 DSP UNIT(For ALL model)
105
(5/12)1U-3486-3 EXT IN VR UNIT
106
(6/12)1U-3470-1 CONNECT UNIT
107
1U-3470-2 FRONT UNIT
107
(7/12)(9/12)1U-3469-6 PRE_OUT_UNIT
108
1U-3472-1 REGULATOR UNIT
108
1U-3472-2 AMP CONNECT UNIT
108
1U-3472-3 AC_IN UNIT
108
1U-3472-4 EXT_IN_CONN.UNIT
108
1U-3472-5 TU CONNECT UNIT
108
1U-3472-6 AUDIO CONN.UNIT
108
(8/12)1U-3469-1 POWER UNIT
109
1U-3469-2 H/P UNIT
109
1U-3469-3 P.SW-1 UNIT(U.S.A.,Canada & Japan model only)
109
(10/12)1U-3471-1 CONTROL UNIT
110
(11/12)1U-3471-2 DISPLAY UNIT
111
1U-3471-3 VOL UNIT
111
(12/12)1U-3470-3 S-VIDEO_UNIT
112
1U-3470-4 C-VIDEO_UNIT
112
1U-3470-6 REMOTE I/O UNIT
112
1U-3470-7 VCONNECT UNIT
112
(12A/12)1U-3475-2 COMP.D4 UNIT(AVC model only)
113
Other manuals for Denon AVR-2803
Operating Instructions
129 pages
Brochure & Specs
2 pages
Bedienungsanleitung
89 pages
Code List
5 pages
Control Protocol
13 pages
4
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Denon AVR-2803 Specifications
General
Brand
Denon
Model
AVR-2803
Category
Stereo Receiver
Language
English
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