Denon HEOS AVR - Page 20

SCH12_DIFF AMP
STBY POWER
GND LINE POWER- LINE POWER+ LINE ANALOG AUDIO DIGITAL AUDIO TMDS SIGNAL ANALOG VIDEO
TO AMP3_SW_PART
TO AMP1_2_PART
FROM AMP1_2 PART
DIFF AMP PART
* OPEN
* OPEN
* OPEN
C6307
OPEN
C6306
OPEN
R6302
0
C6301
50V/47uF(ROB )
R6303
47K
V+
B OUTPUT
B-INPUT
B+INPUT
V-
A+INPUT
A-INPUT
A OUTPUT
- +
B
-+
A
8765
4 3 2 1
IC631
NJM8080G
R6309
10K
C6303
22pF
R6306
10K
C6302
22pF
R6310
10
C6305
2700P
R6308
10
C6304
0.1uF
C6311
0.1uF
R6319
10
C6312
2700P
R6320
10
C6309
22pF
R6316
10K
C6310
22pF
R6317
10K
V+
B OUTPUT
B-INPUT
B+INPUT
V-
A+INPUT
A-INPUT
A OUTPUT
- +
B
-+
A
8765
4 3 2 1
IC632
NJM8080G
R6314
10K
R6313
47K
C6308
50V/47uF(ROB )
R6312
0
R6321
OPEN
R6357
0
R6315
OPEN
R6305
10K
R6304
OPEN
R6318
10K
R
6307
10K
C6332
OPEN
C6331
OPEN
R6335
0
C6319
50V/47uF(ROB )
R6336
47K
V+
B OUTPUT
B-INPUT
B+INPUT
V-
A+INPUT
A-INPUT
A OUTPUT
- +
B
-+
A
8765
4 3 2 1
IC634
NJM8080G
R6340
10K
C6321
22pF
R6339
10K
C6320
22pF
R6344
10
C6323
2700P
R6343
10
C6322
0.1uF
C6327
0.1uF
R6354
10
C6328
2700P
R6356
10
C6325
22pF
R6350
10K
C6326
22pF
R6355
10K
V+
B OUTPUT
B-INPUT
B+INPUT
V-
A+INPUT
A-INPUT
A OUTPUT
- +
B
-+
A
8765
4 3 2 1
IC635
NJM8080G
R6348
10K
R6347
47K
C6324
50V/47uF(ROB )
R6346
0
R6351
OPEN
R6352
0
R6349
OPEN
R6338
10K
R6337
OPEN
R6353
10K
R6342
10K
C6330
OPEN
C6329
OPEN
C6317
0.1uF
R6332
10
C6318
2700P
R6333
10
C6315
22pF
R6327
10K
C6316
22pF
R6330
10K
V+
B OUTPUT
B-INPUT
B+INPUT
V-
A+INPUT
A-INPUT
A OUTPUT
- +
B
-+
A
8765
4 3 2 1
IC633
NJM8080G
R6325
10K
R6324
47K
C6314
50V/47uF(ROB )
R6323
0
R6328
OPEN
R6329
0
R6326
OPEN
R6331
10K
C6336
0.1uF
C6333
0.1uF
R6358
OPEN
C6334
0.1uF
C6335
0.1uF
R6359
OPEN
R6360
OPEN
R6361
OPEN
R6362
OPEN
C6337
0.1uF
D-AMP_SR IN-
D-AMP_SL IN-
D-AMP_SR IN+
D-AMP_SL IN+
D-AMP_C IN-
D-AMP_C IN+
D-AMP_FRI N-
D-AMP_FRI N+
D-AMP_FLI N-
D-AMP_FLI N+
DIFF_SR_IN
DIFF_SL_IN
DIFF_C_IN
DIFF_FR_IN
DIFF_FL_IN
A+7V
AGND
A-7V
5C
TO C5
6C
TO C6
7C
TO C7
20
Caution in
servicing
Electrical Mechanical Repair Information Updating