7Ch-Amp Unit (2/2) - Denon AVR-1912E3 Service Manual

A B C
PAGE 2
AMP B'D 1/2_A10
R531
1
ZD410 R532
1.2K
MTZJ5.1A 100K
Q437
KTA1024Y
R539 R540
150K 0
C453
100P-J
R557 C456 R558
1.2K 22/50
1K5
KSA992F
Q443
KSA992F
2
R566 R567
C460
470K 22K
C461 R570
470P-500V
2N2-C 150
R571
1K2(1)
3
R574
ZD413 R575
1.2K
MTZJ5.1A 100K
Q449
KTA1024Y
R582 R583
150K 0
4
C469
100P-J
R600 C472 R601
1.2K 22/50
1K5
KSA992F
Q455
KSA992F
R609 R610
C476
470K 22K
C477 R613
470P-500V
2N2-C 150
5
R614
1K2(1)
6
R617
ZD416 R618
1.2K
MTZJ5.1A 100K
Q461
KTA1024Y
R625 R626
150K 0
C485
100P-J
R643 C488 R644
1.2K 22/50
1K5
KSA992F
7 Q467
KSA992F
R652 R653
C492
470K 22K
C493 R656
470P-500V
2N2-C 150
R657
1K2(1)
8
R660
ZD419 R661
1.2K
MTZJ5.1A 100K
Q473
KTA1024Y
9
R668 R669
150K 0
C501
100P-J
R686 C504 R687
1.2K 22/50
1K5
KSA992F
Q479
KSA992F
R695 R696
10
C508
470K 22K
C509 R699
470P-500V
2N2-C 150
R700
1K2(1)
GND POWER + POWER -
A B C
D E F
R706
1.2K R533
OPEN R535
OPEN
D419
OPEN
Q438
OPEN
C454
220P-500V R548
R560
OPEN R550
2.7K
220K
Q444
R559 C457 VR404
33K OPEN 1K
C458 C459
R563
100/50
OPEN 220K
R564
R565
3.3K(1)
560
R720 R568
220 220
R716 Q447 Q448
270
OPEN KTC3206
C451
OPEN
R572
0 R573
D423 D424
47(1)
0 0
R707
1.2K R576
OPEN R578
OPEN
D425
OPEN
Q450
OPEN
C470
220P-500V R591 R605
OPEN R593 2.7K
220K
Q456
R602 C473 VR405
33K OPEN 1K
C475
C474 R606
100/50 OPEN 220K
R607
R608
3.3K(1)
560
R721 R611
220 220
R715 Q459 Q460
270
OPEN KTC3206
C483
OPEN
R615
0 R616
D429 D430
47(1)
0 0
R708
1.2K R619
OPEN R621
OPEN
D431
OPEN
Q462
OPEN
C486
220P-500V R634 R648
OPEN R636 2.7K
220K
Q468
R645 C489 VR406
33K OPEN 1K
C491
C490 R649
100/50 OPEN 220K
R650
R651
3.3K(1)
560
R722 R654
220 220
R714 Q471 Q472
270
OPEN KTC3206
C518
OPEN
R658
0 R659
D435 D436
47(1)
0 0
R709
1.2K R662
OPEN R664
OPEN
D437
OPEN
Q474
OPEN
C502
220P-500V R677 R691
OPEN R679 2.7K
220K
Q480
R688 C505 VR407
33K OPEN 1K
C507
C506 R692
100/50 OPEN 220K
R694 R693
3.3K(1) 560
R723 R697
220 220
R713 Q483 Q484
270
OPEN KTC3206
C519
OPEN
R701
0 R702
D441 D442
47(1)
0 0
STBY POWER
D E F
G H I
R534
5.6K(1) R537
C449 PRF18BC471QB5RB C450
OPEN TP404 100N-K
C452 47/50
1 2 3
R538
R541 150K
5.6K(1) Q440
R545 2SD2390
22(1) D420
1SS133T R547
270K
R543 R544
10K 10K
Q445
ZD411
2SC3964 R553
MTZJ3.3B
10K
D421
R554 R555
1SS133T R556 R727
0R47(2) 0R47(2)
5.6K OPEN
R552
OPEN
R561 R562
ZD412 0R47(2) 0R47(2)
MTZJ3.3B
D422
1SS133T
R569
22(1)
Q446
2SB1560
C462
OPEN
C463 C464
OPEN OPEN
J442
OPEN
J535
JUMPER
R577
5.6K(1)
R580
C465 PRF18BC471QB5RB C466
OPEN TP405 100N-K
C468 47/50
1 2 3
R581
R584 150K
5.6K(1) Q452
R588 2SD2390
22(1) D426
R590
1SS133T
270K
R586 R587
10K 10K
Q457
ZD414
2SC3964 R596
MTZJ3.3B
10K
D427
R597 R598
1SS133T R599 R728
0R47(2) 0R47(2)
5.6K OPEN
R595
OPEN
R603 R604
ZD415 0R47(2) 0R47(2)
MTZJ3.3B
D428
1SS133T
R612
22(1) Q458
2SB1560
C478
OPEN
C479 C480
10/100 10/100
J494
OPEN
J539
JUMPER
R620
5.6K(1) R623
PRF18BC471QB5RB
C481 C482
OPEN TP406 100N-K
C484 47/50
1 2 3
R624
R627 150K
5.6K(1) Q464
R631
2SD2390
22(1) D432
R633
1SS133T
270K
R629 R630
10K 10K
Q469 ZD417
R639
2SC3964 MTZJ3.3B
10K
D433
R640 R641
1SS133T R642 R729
0R47(2) 0R47(2)
5.6K OPEN
R638
OPEN
R646 R647
ZD418 0R47(2) 0R47(2)
MTZJ3.3B
D434
1SS133T
R655
22(1) Q470
2SB1560
C494
OPEN
C495 C496
OPEN OPEN
J546
OPEN
J558
JUMPER
R663
5.6K(1)
R666
C497 PRF18BC471QB5RB C498
OPEN TP407 100N-K
C500 47/50
1 2 3
R667
R670 150K
5.6K(1) Q476
R674 2SD2390
22(1) D438
R676
1SS133T
270K
R672 R673
10K 10K
Q481 ZD420
R682
2SC3964 MTZJ3.3B
10K
D439
R683 R684
1SS133T R685 R730
0R47(2) 0R47(2)
5.6K OPEN
R681
OPEN
R689 R690
ZD421 0R47(2) 0R47(2)
MTZJ3.3B
D440
1SS133T
R698
22(1)
Q482
2SB1560
C510
OPEN
C511 C512
10/100 10/100
J572
OPEN
J574
JUMPER
G H I
107
J K L
Q439
2N5401S
R542 47K
R546 22K
R549 22K
Q442
2N5551S
SL
Q451
2N5401S
R585 47K
R589 22K
R592 22K
Q454
2N5551S
SR
Q463
2N5401S
R628 47K
R632 22K
R635 22K
Q466
2N5551S
SBL
Q475
2N5401S
R671 47K
R675 22K
R678 22K
Q478
2N5551S
SBR
SCHEMATIC DIAGRAMS (2/26)

7CH-AMP UNIT (2/2)

J
K L
M N O
PAGE 2
PAGE 2
AMP B'D 1/2_M10
1
2
3
4
5
AMP B'D 2/2
6
7
8
SBL SBL
SBR SBR
CP405
SPK_SMPS 1/2_A4
9
10
M N O