Denon AVR-X3500H Service Manual page 29

SCH21 AMP1
AVR-X3500 AMP SCH
56.1V
Point A
SOUND TUNE
R427 C408
1K2 100/25(ROB)
SOUND TUNE
R436
CLAMP400 470K
CLAMP402
C520
OPEN
CP401
FL
AGND AGND
SL
AGND
C
AGND
SR
AGND
FR
AGND AGND
SBL
AGND
SBR
CP401
SC52137-131A
TO CN4200
SOUND TUNE
R471 C424
1K2 100/25(ROB)
SOUND TUNE
R480
470K
C521
OPEN
SOUND TUNE
R514 C440
1K2 100/25(ROB)
SOUND TUNE
R523
470K
C522
OPEN
Point A
F4
PAGE 2
AMP B'D 2/2_A1
TO 4F
GND LINE POWER+ LINE POWER- LINE ANALOG AUDIO
AMP B'D 1/2
56.8V
R401 R703
ZD401 R402 R403
1K2 1K2 60.4V
R405
ZJ5.1A 100K 270(1)
270(1)
Q401
D401
KTA1024Y
1N4148
0.6V
Q402 1.1V
R409
C527 R410
KTA1024Y
150K
220P-100V JUMPER
C405 C406
R418
OPEN 220P-100V
12K(2) R420
R428 OPEN
2
JUMPER 26.6V
1 3
R429 C409
5 4
33K 470P-100V
Q407
C410 470/16(KR3) C411
HN4A06J R433
470P-100V OPEN
R434
3K3(1)
-1.1V
R437 R717 R438
33K C413 R710 -59.0V
220 220
2N2-K JUMPER
Q411 Q412
KTC3206Y KTC3206Y
R440 C435
470 OPEN
-59.8V
R441 R442
R443
-59.0V
1K(1) 1K(1) D405 D406
270(1)
1N4148 1N4148
Voltage A
R444 R704
R446 R447
ZD404 1K2 1K2
ZJ5.1A 100K 270(1) R448
270(1)
Q413
D407
KTA1024Y
1N4148
Q414
R452 C528 R453
KTA1024Y
150K 220P-100V JUMPER
C421 C422
R461
OPEN 220P-100V
R463
12K(2)
OPEN
R472 2
JUMPER
1 3
R473 C425
5 4 33K
470P-100V
Q408 C427
HN4A06J C426 470/16(KR3) R477
470P-100V
OPEN
R478
3K3(1)
R481
R718 R482
33K C429 R711
220 220
2N2-K JUMPER
Q423 Q424
KTC3206Y KTC3206Y
R484 C499
470 OPEN
R485 R486
R487
1K(1) 1K(1) D411 D412
270(1)
1N4148 1N4148
R488 R705
R491
ZD407 R490
1K2 1K2
270(1)
ZJ5.1A 100K R492
270(1)
Q425
D413
KTA1024Y 1N4148
Q426
R496 C529 R497
KTA1024Y
150K 220P-100V JUMPER
C438
C437
OPEN 220P-100V R505
R507
12K(2)
OPEN
R515 2
JUMPER
1 3
R516 C441
5 4 33K
470P-100V
Q419 C443
HN4A06J
C442 470/16(KR3) 470P-100V R520
OPEN
R521
3K3(1)
R524 R719 R525
C445 R712
33K 220 220
2N2-K JUMPER
Q435 Q436
KTC3206Y KTC3206Y
R527 C467
470 OPEN
R528 R529
1K(1) 1K(1) R530
D417 D418
270(1)
1N4148 1N4148
Point B Point C
DC mode AC mode
Point C1
Voltage A
DIGITAL AUDIO TMDS SIGNAL ANALOG VIDEO DIGITAL VIDEO
61.2V
R404 R406
C401
OPEN CP501 DHPTF1608 471P 115T
C402 100N-K
SC52136-021A
OPEN
0V 1 2 Q403
C404 R411 680K
R408
KST5401MTF
OPEN
OPEN
Q404
R415
2SD2560
D402 R417
22(1)
1N4148 100K
R413 R414
Q409
R432 10K 10K
KTC3964 ZD402 R423
2K7 OPEN 10K
Q406
Point C1
D403 KST5551MTF
R424 R425 R426
R724
OPEN
0R47(2) 0R47(2) 5K6
OPEN
R430 R431
R422
ZD403 0R47(2) 0R47(2)
470
OPEN Point C2
R435
D404
560
OPEN
FL
R439
0V
22(1)
Q410
2SB1647
C414
Point B
OPEN
C415 C416
10/100 10/100
JP416
JUMPER
SOUND TUNE-1
JP518
OPEN
R445
OPEN
R450
CP502
C417 C418
DHPTF1608 471P 115T
SC52136-021A
OPEN 100N-K
C420
1 2 R454 680K
OPEN Q415
R451
Q416 KST5401MTF
OPEN
R458
2SD2560
D408 R460
22(1)
1N4148 100K
R456 R457
Q421
10K 10K
R476 ZD405
KTC3964
R466
OPEN
10K
2K7
Q418
D409
R467 R468 KST5551MTF
R469
OPEN R725
0R47(2) 0R47(2)
5K6
OPEN
R474 R475
R465 ZD406 0R47(2) 0R47(2)
470 OPEN
R479
D410
560
OPEN
R483
FR
Q422
22(1)
2SB1647
C430
OPEN
C431 C432
10/100 10/100
JP520
JUMPER
SOUND TUNE-1
JP544
OPEN
R489
OPEN
C434
R494
C433 CP503
100N-K
SC52136-021A DHPTF1608 471P 115T
OPEN
C436
Q427
1 2 R498 680K
OPEN R495
KST5401MTF
OPEN
Q428
R502
2SD2560
D414 R504
22(1)
1N4148 100K
R500 R501
Q433
10K 10K
R519
KTC3964 ZD408 R510
OPEN 10K
2K7
Q430
D415 KST5551MTF
R511 R512 R513
R726
OPEN
0R47(2) 0R47(2) 5K6 OPEN
R517 R518
R509 ZD409
0R47(2) 0R47(2)
470 OPEN
R522 D416 22(1)
560
OPEN R526
C
Q434
2SB1647
C446
OPEN
C447 C448
10/100 10/100
JP468
JUMPER
SOUND TUNE-1
JP537
OPEN
Measurement condition
・ Voltage measurement
No signal
・ Waveform measurement
INPUT: 200mVrms / 1KHz (ANALOG)
Surround mode: MCh Stereo
VOL: 70
Speaker load: 8ohms
STBY POWER
29
C403 R407
10N-K 10K
OPTION
R412 47K
R416 22K Q405
R419 22K KST5401MTF
R421
33K
FL
FR
C
SL
SR
SOUND TUNE-1
Q417 R493
OPEN OPEN
R551
OPEN
R455 47K
C419
R459 22K OPEN
R462 22K
R449 OPEN
R464
PRF18BF471QB5RB
R508
CHASSIS
OPEN
R536
3K3
R499 47K
R503 22K
R506 22K
F5
PAGE 2
AMP B'D 2/2_M1
TO 5F
PAGE 1
CP402
FL
FR
C
SL
SR
CP402
YMW025-05R
TO CN4213
CP403
+HIGHB
+HIGHB
+HIGHB
-HIGHB
-HIGHB
-HIGHB
HIGHGND
HIGHGND
HIGHGND
PREGND
R734
R733 CP403
OPEN
OPEN SC52137-101A
TO CN4212
D458
CN404
D457 0
OPEN
THERMALDTETF
DC_DET3 DC_DET3
DC_DET4 DC_DET4
ASO_DET ASO_DET
RADI_THERMAL RADI_THERMAL
TR_THERMAL TR_THERMAL
CN404
WIRE_6P
TO N1019