Marantz AV8003 Service Manual page 78

PREOUT TOP PWB
+15V -15V
VOL-OUT_A00
C501 R502 R503 10K C506
R508
10K
22/25V GND C502 22/25V 120
100P
4 3 2 1
GND
5 6 7 8
C507
10K R509
GND
R505
10K 22/25V 120
R504 100P
C505
VOL-OUT_A01
C512 R522 R523 10K C517 R528
10K 120
22/25V C513 22/25V
GND
CN87 100P
VOL-OUT_A00
MAIN-FL
4 3 2 1
G
VOL-OUT_A01
MAIN-FR
5 6 7 8
G GND
VOL-OUT_A02
MAIN-SL
R525
C518 R529
GND
G R524 10K 22/25V 120
VOL-OUT_A03
MAIN-SR 10K
100P
C516
G
VOL-OUT_A02
C523 R542 R543 10K C528 R548
22/25V 10K GND 22/25V 120
C524
100P
4 3 2 1
GND 5 6 7 8
C529
10K R549
GND
R544 R545 22/25V 120
10K
100P
C527
VOL-OUT_A03
C533 R562 C538
R561 10K R567
GND
22/25V 10K C534 22/25V 120
100P
4 3 2 1
GND
5 6 7 8
C539
10K R568
GND
R564
R563 22/25V 120
10K 100P
C537
PREOUT BOT PWB
+15V -15V
C701 R703 10K C706
R702 R708
22/25V 10K 22/25V 120
C702
GND
100P
4 3 2 1
GND
5 6 7 8
C707
10K R709
GND
R705
CN88 R704 22/25V 120
VOL-OUT_B00
MAIN-SBL
10K
100P
C705
G
VOL-OUT_B01 C711 R721 R722 10K C716 R727
MAIN-SBR
10K GND 120
22/25V C712 22/25V
G
100P
VOL-OUT_B02
MAIN-CNT
4 3 2 1
G
VOL-OUT_B03
MAIN-SW
GND 5 6 7 8
G
10K C717 R728
GND
R723 R724 22/25V 120
10K
100P
C715
C721 R740 R741 10K C726 R746
C722
22/25V 10K GND 22/25V 120
100P
4 3 2 1
GND
5 6 7 8
C727
10K R747
GND
R742 R743 22/25V 120
10K 100P
C725
C731 C736
R759 R760 10K R765
22/25V 10K GND C732 22/25V 120
100P
4 3 2 1
5 6 7 8
GND
C737
10K R766
GND
R761 R762 22/25V 120
10K 100P
C735
+12VR
PREOUT_MUTE_A
120
- R510 -
R512
HVTKTC2875B HVTKTC2875B 56
R519
Q501 Q503
10
R515 R517
HVTKRC102S
10K 10K
Q505
R514 8
1M
HVTKTC2875B
HVTKTC2875B GND 1
Q504
Q502
R516 R518
GND
10K 10K
+ +
R513
120 56
R511
120
- -
R530 R532
HVTKTC2875B HVTKTC2875B 56
R539
Q507 Q509
10
R535 R537
10K 10K
R534 8
1M
HVTKTC2875B GND
HVTKTC2875B 1
Q510
Q508
R536 R538
10K 10K
R533
120 56
+ +
R531
120
- -
R550 R552
HVTKTC2875B HVTKTC2875B 56
R559
Q511 Q513
10
R555 R557
HVTKRC102S
10K 10K
R554 Q515 8
1M
1
HVTKTC2875B HVTKTC2875B GND
Q512 Q514
R556 R558
10K 10K
R553 GND
56
120
+ +
R551
120
- -
R569 R571
HVTKTC2875B HVTKTC2875B 56
R578
Q516 Q518
10
R574
R576
10K
R573 10K
8
1M
HVTKTC2875B GND
HVTKTC2875B 1
Q519
Q517
R575 R577
10K
10K
R572
120 56
+ +
R570
+12VR
PREOUT_MUTE
120
- -
R710 R712
HVTKTC2875B HVTKTC2875B 56
R719
Q701 Q703
10
10K 10K
HVTKRC102S
R715 R717
Q705
R714 8
1M
HVTKTC2875B
GND
HVTKTC2875B Q704 1
R718
Q702
R716
10K
10K
GND
R711 R713
120 56
+ +
120
- -
R729 R731
HVTKTC2875B HVTKTC2875B 56
R738
Q706 Q708
10
10K 10K
R734 R736
R733 8
1M
GND
HVTKTC2875B
HVTKTC2875B 1
Q709
Q707
R735 R737
10K 10K
R730 R732
120 56
+ +
120
- -
R748 R750
HVTKTC2875B HVTKTC2875B 56
R757
Q710 Q712
10
10K 10K
HVTKRC102S
R753
R755
R752 Q714 8
1M
HVTKTC2875B
HVTKTC2875B GND 1
Q713
Q711
R754 R756
10K 10K
GND
R749 R751
120 56
+ +
120
- -
R767 R769
HVTKTC2875B HVTKTC2875B 56
R776
Q715 Q717
10
10K 10K
R772 R774
R771
8
1M
HVTKTC2875B GND
HVTKTC2875B 1
Q718
Q716
R773 R775
10K 10K
R768 R770
120 56
+ +
91
-
-
FRONT_ON/OFF B-PRE-FL
R520 VOL-OUT_A00
10 JK52
HVTKRC102S
Q506
1
7 6 5 8 7 6 5 -
3
2
GND
2 3 4 1 2 3 4
+
GND
GND
+
+
GND GND
GND VOL-OUT_A01
-
- B-PRE-FR
R540
10 JK53
7 6 5 8 7 6 5 1
-
3
VOL-OUT_A02
2
2 3 4 GND 1 2 3 4
+
GND
+
GND GND GND
+
-
VOL-OUT_A03
B-PRE-SL
JK54
1
7 6 5
-
3
2
2 3 4
+
22uF/25V
C501,C506,C507,C512
C517,C518,C523,C528
GND GND GND
+
C529,C533,C538,C539
ELNA
C545,C546,C551,C552
ROA
- C701,C706,C707,C711
TYPE
C716,C717,C721,C726
B-PRE-SR
C727,C731,C736,C737
JK55 C743,C744,C748,C749
1
7 6 5 -
3
2
2 3 4
+
GND GND GND
+
GND
-15V +15V
- VOL-OUT_B00
22/50V
B-PRE-SBL
C760
JK72
4 3 2
1
7 6 5 -
3
2
2 3 4
+
5 6 7
VOL-OUT_B01
22/50V
GND
GND GND
C761
+
GND
-
GND
B-PRE-SBR
VOL-OUT_B02
JK73 22/50V
7 6 5 1 C762
-
3
4 3 2
2
2 3 4
+
GND
GND
5 6 7
GND GND
+
VOL-OUT_B03
22/50V
C763
-
B-PRE-CNT
+5VL
JK74 GND
C751
1
7 6 5
-
D713 1000/10
3
CVD1SS355T
2
2 3 4
+
MUTE_B00
Q734
HVTKRA104S
GND
GND GND
+
MUTE_B01
Q735
- HVTKRA104S
B-PRE-SW
JK75
MUTE_B02
1
7 6 5 - Q736
HVTKRA104S
3
2
2 3 4
+
MUTE_B03
Q737
GND HVTKRA104S
GND GND
+
MUTE_B04
Q738
HVTKRA104S
D707 CVD1SS355T
+5VL
Q739
HVTKRA104S
GND HVTKRC104S
Q740
D708
CVD1SS355T
GND
PREOUT-T
GND
+12VR
-15V +15V
220
C557 22/25V R581 R583 R585
R592
22/50V 220 HVTKTC2875B HVTKTC2875B 33
C545
Q520 Q522
10
4 3 2 1 10K
10K
R590
R588
MUTE_A00
10K
10K
R589 R591
5 6 7 8
Q523
Q521
HVTKTC2875B
22/25V R582 HVTKTC2875B R586
C546 220 220 33
C558
R584
22/50V
GND
GND
220
22/50V 22/25V R596 R598 R600
220 HVTKTC2875B 33 R607
C559 C551 HVTKTC2875B
Q526
Q528
10
4 3 2 1
10K 10K
R605
R603
MUTE_A01 GND
10K 10K
5 6 7 8
R604 R606
Q527 Q529
22/25V R597 HVTKTC2875B HVTKTC2875B R601
220 220 33
C552
C560
R599
22/50V
GND
MUTE_A01
+15V -15V +12VR
P-GND P-GND
MUTE_A00
100uF/50V
1 2 3 4 5 6 7 8 9
ELNA
C554,C555,C757,C758 CN48
RA-2
TYPE
9P-2.0MM-WAFER
FROM PREOUT-B PWB
TO PREOUT-T PWB
9P-2.0MM-WIRE
BN48
1 2 3 4 5 6 7 8
PREOUT-B
+15V GND -15V GND
MUTE_B[00:04]
+12VR
220
22/25V R779 R781 R783
R790
C743 220 33
HVTKTC2875B
Q719 HVTKTC2875B
10
Q721
1
10K
10K
R786
8 7 6 5
R788
GND GND
1 2 3 4
10K
10K
8 R787 R789
Q720 Q722
22/25V
R780 HVTKTC2875B HVTKTC2875B R784
HVTKRC102S
C744 220 220 33
Q723
R782
PREOUT_MUTE
GND
220
22/25V R793 R795 R797
R805
220 HVTKTC2875B 33
C748 HVTKTC2875B
Q724
Q726
10
1
10K 10K
R801 R803
8 7 6 5
GND
10K 10K 1 2 3 4
R802 R804
8
Q725 Q727
HVTKTC2875B HVTKTC2875B
22/25V R794 R798
HVTKRC102S
C749 220 220 33
R796 Q728
J701
J702
GND P-GND GND
+15V
C753 +15V
100/25V
FROM REGULATOR PWB
F-MUTE P-GND GND
Q729 C754
100/25V
MUTE00 -15V
-15V
P-GND
GND
C755
HVTKRC104S
100/25V
+12VR
GND
+12VR
S-MUTE
MUTE01
Q730
HVTKRC104S
GND
GND
SB-MUTE
FRONT_ON/OFF_B FRONT_ON/OFF
MUTE02
PREOUT_MUTE
PREOUT_MUTE
Q731
HVTKRC104S MUTE06
GND P-DOWN
CNT-MUTE MUTE05
ER-MUTE
MUTE03
MUTE04
SW-MUTE
Q732
MUTE03
HVTKRC104S
CNT-MUTE
GND
MUTE02
SW-MUTE
SB-MUTE
MUTE04 MUTE01
SL/R-MUTE
MUTE00
Q733
FL/R-MUTE
HVTKRC104S
GND
CN70
GND
+5VL +5VL
C756
100/16V
GND
GND
92
R593
10
8 7 6 5 8 7 6 5
GND
JK51
GND
1 2 3 4 1 2 3 4
FR
GND
GND
HVTKRC102S HVTKRC102S
SR
Q524 Q525
PREOUT_MUTE_A
FRONT_ON/OFF GND
FL
GND
GND
SL
8 7 6 5
GND
GND
1 2 3 4
HVTKRC102S
Q530
GND
GND
J501
J502
GND P-GND
9
FL
FR
SL
+12VR
SR
SBL
SBR
C
SW
JK71
GND
SBR
SW
SBL
GND
CNT
GND
GND