Schematic Diagrams; 7Ch-Amp Unit (1/2) - Denon AVR-1912E3 Service Manual

A B C
1
ZD401
MTZJ5.1A
2
R409
150K
R427 C408 R428
1.2K 22/50
1K5
3
R436 R437
C412
470K 22K
470P-500V
FL
AGND AGND
4
SL
AGND
C
AGND
SR
AGND
ZD404
FR
MTZJ5.1A
AGND AGND
SBL
AGND
SBR R452
150K
CP401
5
R471 C424 R472
1.2K 22/50
1K5
R480 R481
C428
22K
470K
470P-500V
6
7
ZD407
MTZJ5.1A
R496
150K
R514 C440 R515
1.2K 22/50
1K5
8
R523 R524
C444
470K 22K
470P-500V
9
10
PAGE 2
AMP B'D 2/2_A1
GND POWER +
A B C
D E F
R703
R401 1.2K
R402 R403
1.2K
100K OPEN R405
OPEN
Q401
D401
KTA1024Y
OPEN
R410
0 Q402
OPEN
C405 C406
100P-J 220P-500V R418
OPEN
Q408
KSA992F
Q407
R429 C409
KSA992F 33K OPEN
C410 C411
100/50 OPEN
R434
3.3K(1)
R717 R438
220 220
C413 R440 R710 Q411
2N2-C 150 270
OPEN
R441 R442
1K2(1) 0 R443
D405 D406
47(1)
0 0
R704
R444
1.2K
R446 1.2K R447
100K OPEN R448
OPEN
Q413
D407
KTA1024Y
OPEN
R453
0 Q414
OPEN
C421 C422
100P-J 220P-500V R461
OPEN
Q420
KSA992F
Q419
R473 C425
KSA992F 33K OPEN
C426 C427
100/50 OPEN
R478
3.3K(1)
R718 R482
220 220
C429 R484 R711 Q423
2N2-C 150 270
OPEN
R485 R486
1K2(1) 0 R487
D411 D412
47(1)
0 0
R705
R488 1.2K
R490 R491
1.2K
100K OPEN R492
OPEN
Q425
D413
KTA1024Y
OPEN
R497
0 Q426
OPEN
C437 C438
100P-J 220P-500V R505
OPEN
Q432
KSA992F
Q431
R516 C441
KSA992F 33K OPEN
C443
C442
100/50 OPEN
R521
3.3K(1)
R719 R525
220 220
C445 R527 R712 Q435
2N2-C 150 270
OPEN
R528 R529
1K2(1) 0 R530
D417 D418
47(1)
0 0
POWER - STBY POWER
D E F
G H I
AMP B'D 1/2
R404
5.6K(1)
C402
OPEN TP401
C404 47/50
1 2 3
R408
5.6K(1) Q404
R415 2SD2390
22(1)
R413 R414
10K 10K
R432
ZD402
2.7K Q409
R420 MTZJ3.3B
2SC3964
220K
D403
R424 R425
1SS133T
0R47(2) 0R47(2)
VR401 R422
1K OPEN
R430 R431
R433 ZD403 0R47(2) 0R47(2)
220K MTZJ3.3B
R435
D404
560
1SS133T
R439
Q412
22(1)
Q410
KTC3206 2SB1560
C435
OPEN
C414
OPEN
C415 C416
10/100 10/100
J416
OPEN
J518
JUMPER
R445
5.6K(1)
C417
OPEN TP402
C420 47/50
1 2 3
R451
5.6K(1) Q416
R458 2SD2390
22(1)
R456 R457
10K 10K
R476 ZD405
Q421
R463 2.7K MTZJ3.3B
2SC3964
220K
D409
R467 R468
1SS133T
0R47(2) 0R47(2)
VR402 R465
1K OPEN
R474 R475
R477 ZD406 0R47(2) 0R47(2)
220K MTZJ3.3B
R479
560 D410
1SS133T
R483
Q424
22(1) Q422
KTC3206
2SB1560
C499
OPEN
C430
OPEN
C431 C432
OPEN OPEN
J520
OPEN
J544
JUMPER
R489
5.6K(1)
C433
OPEN TP403
C436 47/50
1 2 3
R495
5.6K(1) Q428
R502 2SD2390
22(1)
R500 R501
10K 10K
R519 Q433 ZD408
R507 2.7K 2SC3964 MTZJ3.3B
220K
D415
R511 R512
1SS133T
0R47(2) 0R47(2)
VR403 R509
1K OPEN
R517 R518
R520 ZD409 0R47(2) 0R47(2)
220K MTZJ3.3B
R522
560 D416
1SS133T
R526
Q436
22(1) Q434
KTC3206 2SB1560
C467
OPEN
C446
OPEN
C447 C448
OPEN OPEN
J468
OPEN
J537
JUMPER
ANALOG AUDIO SIGNAL LINE
G H I
106
J K L
R406
PRF18BC471QB5RB C401
100N-K
C403 R407
10N-K 10K
Q403
R411 150K 2N5401S
R412 47K
D402
R417
1SS133T R416 22K Q405
270K
2N5401S
R419 22K
R423
10K
R421
Q406
22K
2N5551S
R426 R724
5.6K OPEN
FL
Q417
R493
KSA992F
33(1)
R450
PRF18BC471QB5RB
C418
100N-K R551
100(1)
Q415
R454 150K 2N5401S
R455 47K
D408 C419
R460
1SS133T R459 22K 100/100
270K
R462 22K
R466
10K
Q418
2N5551S
R469 R725
5.6K OPEN
FR
R494
PRF18BC471QB5RB C434
100N-K
Q427
R498 150K 2N5401S
R499 47K
D414
R504
1SS133T R503 22K
270K
R506 22K
R510
10K
Q430
2N5551S
R513 R726
5.6K OPEN
C
J
K L
M N O
PAGE 1
FL FL
FR
FR
C C
SL SL
SR SR
CP402
+HIGHB
+HIGHB
+HIGHB
-HIGHB
-HIGHB
-HIGHB
HIGHGND
HIGHGND
HIGHGND
PREGND
CP403
R449
OPEN
R464
OPEN
R470
OPEN
DC_DET4 DC_DET4
DC_DET3 DC_DET3
ASO_DET ASO_DET
RADI_THERMAL RADI_THERMAL
TR_THERMAL TR_THERMAL
CN404
PAGE 2
AMP B'D 2/2_M1

SCHEMATIC DIAGRAMS (1/26)

7CH-AMP UNIT (1/2)

M N O
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