Marantz AV7705 - Page 45

SCH37_HDAM4
STBY POWER ANALOG AUDIO DIGITAL AUDIO TMDS SIGNAL ANALOG VIDEO DIGITAL VIDEO GND LINE POWER- LINE POWER+ LINE
SW1
A+12V
A-12V
SW2
HDAM_AMP_UNIT #1-4
FROM_HDAM_AMP_2
FROM_HDAM_AMP2
PAGE 35_C1
FROM_HDAM_AMP_1-1
PAGE 31_A6
PAGE 32_B6
C8586
(ROS)
47/25V
R8587
150
C8605
(RA2)
47/25V
R8594
22
R8595
22
Q8596
KTA1504S
Q8597
KTC3875S
R8591
9.1K
R8590
9.1K
D8593
KDS160
R8593
470
D8592
KDS160
R8592
470
Q8599
KTA1504S
Q8600
KTC3875S
R8597
330
R8596
330
C8604
(RA2)
47/25V
Q8592
KTC3875S
Q8593
KTA1504S
Q8588
KTA1504S
Q8589
KTC3875S
R8588
22
R8589
22
R8600
22
R8599
22
R8602
9.1K
R8601
9.1K
Q8604
KTC3875S
Q8605
KTA1504S
R8605
22
R8604
22
R8606
100
R8586
33K
C8587
220P
R8598
1M
C8598
220P
C8606
(RA2)
47/25V
R8603
100
R8607
47K
C8608
47/50V
(RA3)
R8615
22
R8614
22
Q8617
KTA1504S
Q8618
KTC3875S
R8612
9.1K
R8613
9.1K
D8622
KDS160
R8622
470
Q8623
KTA1504S
Q8622
KTC3875S
R8626
330
C8635
(RA2)
47/25V
Q8614
KTC3875S
Q8615
KTA1504S
Q8610
KTA1504S
Q8611
KTC
3875S
R8611
22
R8610
22
R8617
22
R8618
22
R8619
9.1K
R8620
9.1K
R8624
22
R8625
22
R8628
1M
R8608
2.2K
R8609
2.2K
R8627
330
D8623
KDS160
R8623
470
R8616
100
R8621
100
Q8629
KTA1504S
Q8634
KTA1504S
Q8630
KTC3875S
Q8633
KTC3875S
C8628
220P
R8629
22
R8630
22
R8631
9.1K
R8632
9.1K
R8635
100
R8636
47K
R8633
22
R8634
22
C8639
(ROS)
47/25V
R8640
150
C8658
(RA2)
47/25V
R8647
22
R8648
22
Q8649
KTA1504S
Q8650
KTC3875S
R8644
9.1K
R8643
9.1K
D8646
KDS160
R8646
470
D8645
KDS160
R8645
470
Q8652
KTA1504S
Q8653
KTC3875S
R8650
330
R8649
330
C8657
(RA2)
47/25V
Q8645
KTC3875S
Q8646
KTA1504S
Q8641
KTA1504S
Q8642
KTC3875S
R8641
22
R8642
22
R8653
22
R8652
22
R8655
9.1K
R8654
9.1K
Q8657
KTC3875S
Q8658
KTA1504S
R8658
22
R8657
22
R
8659
100
R8639
33K
C8640
220P
R8651
1M
C8651
220P
C8659
(RA2)
47/25V
R8656
100
R8660
47K
C8661
47/50V
(RA3)
R8668
22
R8667
22
Q8670
KTA1504S
Q8671
KTC3875S
R8665
9.1K
R8666
9.1K
D8675
KDS160
R8675
470
Q8676
KTA1504S
Q8675
KTC3875S
R8679
330
C8688
(RA2)
47/25V
Q8667
KTC3875S
Q8668
KTA1504S
Q8663
KTA1504S
Q8664
KTC3875S
R8664
22
R8663
22
R8670
22
R8671
22
R8672
9.1K
R8673
9.1K
R8677
22
R8678
22
R8681
1M
R8661
2.2K
R8662
2.2K
R8680
330
D8676
KDS160
R8676
470
R8669
100
R8674
100
Q8682
KTA1504S
Q8687
KTA1504S
Q8683
KTC3875S
Q8686
KTC3875S
C8681
220P
R8682
22
R8683
22
R8684
9.1K
R8685
9.1K
R8688
100
R8689
47K
R8686
22
R8687
22
Q8627
KTC3875S
Q8626
KTA1504S
Q8680
KTC3875S
Q8679
KTA1504S
R8584
10
R8585
10
R8637
10
R8638
10
A+12V
A-12V
SW1
SW2
AN_PRE_SW1(+)
AN_PRE_SW1(-)
AN_PRE_SW2(+)
AN_PRE_SW2(-)
AGND
AGND
AGND
AGND
6K
TO K6
L1
TO 1L
L2
TO 2L
Before Servicing
This Unit
Electrical Mechanical Repair Information Updating
45