Schematic Diagram - Main Board (2/4) - Sony STR-DH810 Service Manual

5-14. SCHEMATIC DIAGRAM - MAIN Board (2/4) -

1 2 3
MAIN BOARD (2/4)
A
FR_OUT
1
2
3
MAIN BOARD
4
(1/4)
1
5
(Page 26)
6
7
8
B
[FR]
1
R778 L778
4.7 1.7uH
2
C
R779
C770
10
0.01
C779
0.022
Q761
2SA1514KT146S
CURRENT DETECT
D
0 0
-1
C761
220p
R762
R761
4.7k 6.2k
E
FR +VE
Q753
MN2488-OPY-MK
B C E
1 2 3
1.1 58.4 0
MAIN BOARD
(1/4) 9
2
(Page 26) 10
F
C758
47p
R759
100 R757
82k
R756
2.2k
G
-1
1 0.4
Q751
2SA1175-HFE
BIAS
JR781
0
H
IC701
STK350-630T-E
15 14
I
-58.4
11
12
13
J MAIN
BOARD
3
(1/4)
(Page 26)
14
K
STR-DH810
• See page 54 for IC Block Diagrams.
4 5 6
FL_OUT
SR_OUT
[SR]
R680
R780
47k 47k
R772 R672
1 1
100k 100k
R678 R728 L728
L678
4.7
4.7 1.7uH
1.7uH
2 2
R679
R766 C670 R666 R729
68k 10 68k
0.01 10
C679
R665 C729
R765
0.022 0.022
15k 15k
Q662
Q762 Q661
2SA1514KT146S 2SA1514KT146S 2SA1514KT146S
2SA1514KT146S
R764 CURRENT DETECT
CURRENT DETECT CURRENT DETECT R664 CURRENT DETECT
1.5k 1.5k
-0.9 0 0 0 0 -0.8
-58.5 -0.8 -58.7
C661 C711
220p
220p
R663
R763
0.22 0.22
R661 R662 R711
6.2k
4.7k 4.7k
FR -VE SR +VE SR -VE
Q754 Q653 Q654
MP1620-OPY-MK MN2488-OPY-MK MP1620-OPY-MK MN2488-OPY-MK
B C E B C E B C E B
1 2 3 1 2 3 1 2 3 1
-1 -58.4 0 1.1 58.4 0 -1 -58.4 0 1.1 58.4
C659
C658
C759
47p 47p
47p
R760 R659 R660
R709
100 100
R758 100 R657
R658 100
560 82k 560
R656 0.4
0.4
2.2k
Q752
2SD2144S-V
BIAS
-0.6 -1
-0.6 -1 Q652
-1
2SD2144S-V
BIAS
1 0.4
Q651
C757 2SA1175-HFE C657
BIAS
47 25V 47 25V
JR731
JR681
IC B/D
0
0
IC701
PRE DRIVER
13 12 11 10 9 8 7 6 5 4 3 2 1
58.4 58.4 1.1 -1 -57.4 0 0 0.1 0.1 -57.4 -1 1.1
C703
C753
22p
22p
C755 C752 C702 C705
3p 100p 3p
100p
R752 R702
R754 R704
68k 68k 68k 68k
R753 R751 R701 R703
1k 2.2k
2.2k 1k R546
0.47
C762 C760 C710 C712
220 10 10 220
10V
50V 50V 10V
[FR] [FL]
21 22
5
MAIN BOARD
(3/4)
(Page 28)
7 8 9 10
SL_OUT
[FL] [SL]
R730
R630
47k 47k
R722 R622
1
100k 100k
R628
L628
4.7
1.7uH
2
R716 R629 R616
C720 C620
0.01 68k 10 0.01 68k
R715
C629 R615
15k 0.022 15k
Q612
Q711 Q712
Q611
2SA1514KT146S
2SA1514KT146S 2SA1514KT146S
R614
R714 CURRENT DETECT
CURRENT DETECT CURRENT DETECT
1.5k 1.5k
0 0 -0.8 0 0 0 -1 0
-0.9 -58.7 -1 -58.2
C611
220p
R713
R613
0.22 0.22
R712
R611 R612
6.2k 6.2k
4.7k
FL +VE FL -VE SL +VE SL -VE
Q703 Q704 Q603 Q604
MP1620-OPY-MK MN2488-OPY-MK MP1620-OPY-MK
C E B C E B C E B C E
2 3 1 2 3 1 2 3 1 2 3
0 -1 -58.4 0 1.1 58.4 0 -1 -58.4 0
C708 C709 C608
C609
47p 47p 47p 47p
R710 R609 R610
100
R707 R708 100 R607 R608 100
82k
560 82k 560
R706
R606
0.4
2.2k 0.4
2.2k
-0.6 -0.6 -1
-1
Q702 Q602
-1
-1
2SD2144S-V
2SD2144S-V
BIAS BIAS
1 0.4
1 0.4
Q601
Q701
C707 2SA1175-HFE C607
2SA1175-HFE
47 25V BIAS 47 25V
BIAS
JR631
IC B/D
0
IC801
PRE DRIVER
IC801
STK350-630T-E
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
-58.4 58.4 58.4 1.1 -1 -57.4 0 0 0.1 0.1 -57.4 -1 1.1
C653 C603
22p 22p
C652 C602 C605
C655
100p 3p
3p 100p
R654 R652 R602 R604
68k 68k 68k 68k
R653
R651 R601 R603
2.2k 1k
1k 2.2k
C662 C660 C610 C612
0.47
10 10 220
220
10V 50V 50V 10V
[SR] [SL]
23 24 25 26
27 27
11 12 13
SL_OUT
SR_OUT
SBL_OUT
C OUT
SBR out
FR_OUT
HP DETECT
FL_OUT
HP
Q321
Q320
2SC3052EF-T1-LEF
2SA1514KT146S
PROTECTOR
PROTECTOR
0
0
3.3
-57.6
C320
R320
0
0 220
100k
10V
C323
R323
0 220 0
100k
10V D327
MC2838-T112-1
-57.6 3.3
Q324
0
0 Q323
2SC3052EF-T1-LEF
2SA1514KT146S
PROTECTOR Protector
PROTECTOR
R327
R325
10k 6.8k
Q325
2SC2713-G
D326
PROTECTOR -57.8
MC2838-T112-1
4
-57.8
C325
R326
10
39k
50V
R328
1k
27 28 29 30 31 32
6
MAIN BOARD
(4/4)
(Page 29)
STR-DH810
14 15 16 17
R392
680 CN792
5P
CL364
1 HP DETECT HEADPHONE
CL362
BOARD
3 R-CH
J
CNP300
4 GND
(Page 46)
CL363
5 L-CH
R393
6 5
680
4 3
2
1
RY375
12V
D375
MA2J1110GLS0
Q375
2SC3052EF-T1-LEF
RELAY DRIVER
15.6
0.2
R378
47k
R375
2.2k
33 34