Marantz SR5011 Service Manual page 26

SCH20_AMP1
SR5011 AMP SCH
55.9V
R401
ZD401 R402
1K2
ZJ5.1A 100K
Q401
55.3V KTA1024Y
R409 R410
C527
150K JUMPER
OPEN
Point A
C405
220P-J
R427 C408 R428 2
1K2 22/50(RA3)
JUMPER
1
5
Q407
HN4A06J
R436 R437
C412
470K 33K
C413 R440 R710
470P-100V
2N2-K 470 JUMPER
C520
OPEN
R441
1K(1)
CP401 -58V
Voltage A
AGND
R444
ZD404 R446 1K2
ZJ5.1A 100K
Q413
KTA1024Y
R452 R453
C528
150K JUMPER
OPEN
CP401
C421
TO CN5600
220P-J
2
R471 C424 R472
1K2 22/50(RA3)
JUMPER
1
5
Q408
HN4A06J
R480 R481
C428
470K 33K
C429 R484 R711
470P-100V
2N2-K 470 JUMPER
C521
OPEN
R485
1K(1)
R488
ZD407 R490
1K2
ZJ5.1A 100K
Q425
KTA1024Y
R496 R497
C529
150K JUMPER
OPEN
C437
220P-J
2
R514 C440 R515
1K2 22/50(RA3)
JUMPER
1
5
Q419
HN4A06J
R523 R524
C444
470K 33K
C445 R527 R712
470P-100V
2N2-K 470 JUMPER
C522
OPEN
R528
1K(1)
Point A
E5
TO 5E
PAGE 2
AMP B'D 2/2_A1
GND LINE POWER+ LINE POWER- LINE ANALOG AUDIO DIGITAL AUDIO
AMP B'D 1/2
59.4V
R703
1K2
R403
OPEN
270(1) R405
R404
270(1)
D401
1N4148
0.6V C404
OPEN
Q402
1.1V
R408
KTA1024Y OPEN
25.9V Q409
C406
R418 R432
220P-100V KTC3964
12K(2)
R420
2K7
220K
3 R429 C409
33K 470P-500V
4
C410 100/50(KOSHIN) C411 R422
R433
470P-500V 220K 470
R434
-1.1V R435
3K3(1)
560
R717 R438
220 220
Q411 Q412
KTC3206Y KTC3206Y
C435
OPEN
-58V
Point B
R442
1K(1) R443
D405 D406
270(1)
1N4148 1N4148 JP416
JUMPER
-61V -58.7V
JP518
OPEN
R704
1K2 R445
R447
OPEN
270(1) R448
270(1)
D407
1N4148 C420
OPEN
Q414
R451
KTA1024Y OPEN
Q421
C422
R476
220P-100V R461 KTC3964
12K(2) R463
220K 2K7
3 R473 C425
33K 470P-500V
4
C427
C426 100/50(KOSHIN) 470P-500V R477 R465
220K
470
R478
R479
3K3(1)
560
R718 R482
220 220
Q423 Q424
KTC3206Y KTC3206Y
C499
OPEN
R486
1K(1) R487
D411 D412
270(1)
JP520
1N4148 1N4148
JMPER
JP544
OPEN
R705
R491
1K2 R489
270(1) OPEN
R492
270(1)
D413
1N4148
C436
OPEN
Q426
R495
KTA1024Y OPEN
Q433
C438
R519
220P-100V R505 KTC3964
12K(2) R507
220K 2K7
3 R516 C441
33K 470P-500V
4
C443
C442 100/50(KOSHIN) 470P-500V R520 R509
220K
470
R521
R522
3K3(1)
560
R719 R525
220 220
Q435 Q436
KTC3206Y KTC3206Y
C467
OPEN
R529
1K(1) R530
D417 D418
270(1)
1N4148 1N4148 JP468
JUMPER
JP537
OPEN
Point B Point C
DC mode AC mode
Point C1
Voltage A
Point C2
TMDS SIGNAL VIDEO SIGNAL COMPONENT (Y)
61V
R406
C401
DHPTF1608-115T
C402 100N-K
OPEN TP401
0V
Q403
1 2
2N5401S
R411 680K
Q404
R412 15K
R415 2SD2560
22(1) D402
R417
1N4148 R416 22K
160K
R413 R414
10K 10K R419 22K
ZD402
R423
OPEN
10K
Q406
D403 Point C1 2N5551S
R424 R425
OPEN R426 R724
0R47(2) 0R47(2)
5K6 56K
R430 R431
ZD403 0R47(2) 0R47(2)
Point C2
OPEN
D404
OPEN
FL
R439
22(1) Q410 0V
2SB1647
C414
OPEN
C415 C416
10/100 10/100
R450
DHPTF1608-115T
C417 C418
OPEN TP402 100N-K
1 2
Q415
R454 680K 2N5401S
Q416
R455 15K
R458 2SD2560
22(1) D408
R460
1N4148 R459 22K
160K
R456 R457
10K 10K R462 22K
ZD405
R466
OPEN
10K
Q418
D409 2N5551S
R467 R468
OPEN R469 R725
0R47(2) 0R47(2)
5K6 56K
R474 R475
ZD406 0R47(2) 0R47(2)
OPEN
D410
OPEN
R483
FR
22(1) Q422
2SB1647
C430
OPEN
C431 C432
10/100 10/100
R494
C433 DHPTF1608-115T C434
OPEN TP403 100N-K
Q427
1 2
2N5401S
R498 680K
Q428
R499 15K
R502 2SD2560
22(1) D414
R504
1N4148 R503 22K
160K
R500 R501
10K 10K R506 22K
ZD408
R510
OPEN
10K
Q430
D415 2N5551S
R511 R512
OPEN R513 R726
0R47(2) 0R47(2)
5K6 56K
R517 R518
ZD409 0R47(2) 0R47(2)
OPEN
D416
OPEN
R526
22(1) C
Q434
2SB1647
C446
OPEN
C447 C448
10/100 10/100
Measurement condition
・ Voltage measurement
No signal
・ Waveform measurement
INPUT: 200mVrms / 1KHz (ANALOG)
Surround mode: MCh Stereo
VOL: 70
Speaker load: 8ohms
26
PAGE 1
C403 R407
10N-K 10K
Q405
2N5401S
R421
22K
CP402
FL
FR
C
SL
SR
CP402
CP403
Q417
R493
OPEN
OPEN
R551
OPEN
C419
OPEN
R734
R733
CP403
OPEN
OPEN
R449 OPEN
R464 BRACKET
PRF18BF471QB5RB BKT400
CN404
D458
D457
R508 0
CHASSIS OPEN
OPEN
DC_DET3
DC_DET4
ASO_DET
RADI_THERMAL
TR_THERMAL
CN404
R536
1K2
E6
PAGE 2
AMP B'D 2/2_M1
TO 6E
TO CN4213
TO CN4212
TO N1022