Schematic Diagram - Main Section (2/3) - Sony STR-K850P Service Manual

STR-K850P
3-9. Schematic Diagram – MAIN Section (2/3) –
Q747
BN1F4M-TP
IC701
R742
47k
Q748
BA1F4M-TP
R744
22k
R701
C701
C706
1k
4.7
220p
C655 C656
50V C707
33p 220p
100p
500V
C651
C657
4.7 R652
100p
50V 68k
R651
1k
C654
3p
R654 R703
R653
2.2k 68k 2.2k
C741 C703
C653
2.2 100V
100 10V
100 10V
IC702
R743
22k
C751
4.7
R751
50V 1k
C756
C755
C605 C606 220p
33p
C757 R752 33p 220p
500V
100p 68k 500V
C604
3p
R604
68k
R754
R603 R753
2.2k 2.2k
C607
C603
100p
100 100 10V
C601
10V
4.7
50V
R601
1k
IC501
STK350-230
C501 R501
4.7
1k
50V
C505 C506
C507 R502
4700p 33p 500V
100p 68k
200V
R505
R503
68k
2.2k
C503
C504
100 10V
3p
D691
1SS133T-72 R733 1
R696 33k R695 10k
R690
C691
220k
Q692 0.1
BN1F4M-TP
D690
HZS30-1LTA
Q691
2SC1815GR
-TPE2
R698
10k
R691
220
R692
R699
330
470k
R694
10k
• See page 24 for IC Block Diagrams.
C717
R719
47p
4.7k
Q701
R714 100
2SA1115TP-EF
Q703
MN2488
-OPY-M
R710
2.2k R711
82k
C705
33p
R716
500V
C710
47
25V
R713
R715
560
100
Q704
MP1620
Q702 -OPY-M
2SC3623ATP-LK C716
47p
C660 C669
R665
47 47p
100
C704 3p 25V
R663
560
Q654
R704
MP1620
68k
-OPY-M
Q652
2SC3623ATP-LK
R666
Q651
2SA1115TP
-EF
R664
100 C666
47p Q653
MN2488
-OPY-M
C621
47p
R614
100
Q601
2SA1115TP-EF
Q603
MN2488
-OPY-M
R611
C754 3p 82k
R610
2.2k
R616
68k
C753
C610
47
25V R613
560
Q604
MP1620
Q602 -OPY-M
2SC3623 ATP-LK R615
C620
100
47p
C767
R765 47p
100
R763
Q754
560
MP1620
-OPY-M
C760
Q752
47
2SC3623
25V
ATP-LK
C733 C732 R766
10 10
100V 100V
R761
82k
Q753
MN2488
R764
Q751 -OPY-M
100 C766
2SA1115TP-EF
R732 47p
1
C517 Q503
47p MN2488
Q501 R514 -OPY-M
2SA1115TP-EF 100
R510
R511
2.2k
82k
R516
C510
47
25V R513 R515
R521
560 100
6.2k
MP1620-OPY-M
Q502
2SC3623ATP-LK C516
47p
C720 Q740
220p 2SC1815 GR-TPE2
Q705
2SA988TP
C742 D740
-PAFAEA R740
0.01 1SS133T-72
22k R746
22k R745
C740 22k
D705 R748
R722 R724 R747 10
R721 1SS133T-72 6.8k
1.5k 15k 15k 50V
6.2k
Q706 L701
2SA988TP
-PAFAEA
R718
4.7
C711
0.022
R725 R717
68k 10
R734
Q655 82
R638 2SA988TP-
68k -PAFAEA
R675
R667
22k
10
D640
C642
R640
C661 1SS133T-72
0.01
22k
0.022
R676
R780
22k
10k
R671 R672 R648
R674 R677
6.2k 1.5k 6.8k
15k 15k
D665 C640
Q640 D721
1SS133T-72 10
Q656 2SC1815GR-TPE2 1SS133T-72
50V
2SA988TP
-PAFAEA
L651
R668
C670 4.7
220p R736
1k
220p R623
C619
47k
R618
R620
4.7
4.7k
R655 22k
C611 R680
0.022 22k L601
D680
C681
R621 Q605 1SS133T-72 R656
0.01 R634
6.2k 2SA988TP 22k
82
-PAFAEA
R617 R657 C680
R681
10
R622 10 15k
6.8k
1.5k 50V
R624 Q680
D605
15k 2SC1815GR-TPE2
1SS133T-72
L751
L521
Q606
R625 R768
2SA988TP
68k 4.7
-PAFAEA
R528
D750 4.7
1SS133T-72 R755
Q755 R775 22k R534
2SA988TP 68k R750 C752
-PAFAEA 22k 0.01
R756
22k
R773 R758 R757 C750
47k 6.8k 15k 10
50V
R771 R772
C761 D765 Q750
6.2k 1.5k R778
0.022 1SS133T-72 2SC1815GR-TPE2
15k
Q756
2SA988TP
-PAFAEA
R767
10
C770
R769
220p R517
4.7k
10
R851
R555 R556
82
R573 22k 22k
47k D540
C541
R540
1SS133T-72
C511 0.01
22k
0.022
C540
R546 R557
10
R522 R524 6.8k 15k
C519 50V
1.5k 15k
220p
Q540
D505
2SC1815GR-TPE2
1SS133T-72
R520
Q505
4.7k
2SA988TP
-PAFAEA
Q506
2SA988TP R525
-PAFAEA 68k
Q504
16 16
R792
680
1W
R794
680
RY791
1W
D791
1SS133T-72
R791
4.7k
RY701
Q790
R793
2SC2785TP-FEK
82
Q710
2SC2785 TP-FEK
R731
4.7k
R770
C721
47k
220
16V
Q725
Q723 TM602
2SA988TP
2SC2785 R735
-PAFAEA
TP-FEK 6.8k
D722
1SS133T-72
R737 C722
39k 10
Q722
50V
2SC1841TP
-PAFAEA
RY601
D610
1SS133T-72
R631
Q610
4.7k
2SC2785 TP-FEK
RY501
R531
4.7k
TM601
82
Q550
D510
2SC2785TP-FEK
1SS133T-72
RY851
Q851
2SC2785TP-FEK
D851
1SS133T-72
R852
4.7k
TM603
CNP791
5P
CN792
4P
J791
C792
0.1 C790
0.1