Schematic Diagram - Main Board (1/4) - Sony STR-DH700 Service Manual

STR-DH700
5-11. SCHEMATIC DIAGRAM — MAIN BOARD (1/4) —
1 2
A MAIN BOARD (1/4)
B
C
D
E
F
G
H
VACS
*R571
XX *C571
XX
I
J
STR-DH700
• Refer to page 17 for Circuit Boards Location.
3 4 5
SBR_OUT
*R756
0
R651
4.7
*R746
6.8k
R739
100k
D614
MAZ8056GMLS0
C692
C685
47
0.01 25V
R732
47k
R653
R747 R748
47k
22k 22k
R650
68k
Q602
2SA1163L-TE85L
R649
R648
OVERLOAD DETECT
15k
1.5k
0 0 0 -44.7
0
0 Q603
2SA1163L-TE85L
CP600
C653 OVERLOAD DETECT
0.22
220p
R647
R646
6.2k
4.7k
IC604 IC605
IC604
IC605
MN2488-OPY-MK MP1620-OPY-MK
SBR +VE
SBR -VE
B C E B C E
1 2 3 1 2 3
JW601
1.2 55.5 0 -1.1 -55.7 0 JW600
C651 C652 JW602 JW603
47p 47p
R645
100
R644
100 R642 R643
82k 560
R641
2.2k
Q601
-1.1
2SD2144S-TP-V
POWER AMP
1.2
Q600
C650
2SA1115TP-EF
47
POWER AMP
25V
PROTECTOR
IC600
STK350-530T-E
15 14 13 12 11 10 9 8 7 6 5 4 3 2
-55.3 55.3 55.3 1.2 -1.1 54.8 -0.3 -0.2
C605
C606
100p
100p
500V
50V
C607
C604
3p
IC600
100p
500V
PRE DRIVER R605
R607
68k
*R572 68k R606
2.2k
XX IC B/D
FOR STK
C608
R604
*R573 220
1k
XX 10V Audio-GND
C603
10
50V
AA1
2
MAIN BOARD
(3/4)
(Page 30)
6 7 8 9
SW/SBSBL_OUT
SL_OUT
R677 R664
4.7 4.7
R740
R742
100k
100k
R752
100k
C686 C693 C688
0.01
0.01 0.01
R678 R665
10 10
R751 R735
R733
15k 47k
47k
R666
47k
C664 C659
0.022
0.022
50V
R663
R676
68k
68k
Q610 Q606
2SA1163L-TE85L R675 2SA1163L-TE85L R662
R661
OVERLOAD DETECT 15k 15k
1.5k
0 0 0 -44.7 0 0 0 -44.7
R674
1.5k
0 0 0 0
Q607
Q611
2SA1163L-TE85L
CP602 2SA1163L-TE85L CP601
C663 OVERLOAD DETECT
0.22 OVERLOAD DETECT C658 0.22
220p 220p
50V
R672 R673 R659 R660
4.7k 6.2k 4.7k 6.2k
IC608 IC609 IC606 IC607
IC608 IC609 IC606 IC607
MN2488-OPY-MK MP1620-OPY-MK MP1620-OPY-MK
MN2488-OPY-MK
C +VE C -VE SBL -VE
SBL +VE
B C E B C E B C E B C E
1 2 3 1 2 3 1 2 3 1 2 3
1.2 55.5 0 -1.1 -55.7 0 1.2 55.5 0 -1.1 -55.7 0
C661 C662 C656 C657
47p 47p 47p 47p
500V
500V
R670 R671 R657 R658
100
100 100 100
R668 R669 R655 R656
82k 560 82k 560
R667 R654
2.2k 2.2k
Q609 Q605
-1.1 2SD2144S-TP-V -1.1 2SD2144S-TP-V
POWER AMP POWER AMP
Q608
1.2 1.2
2SA1115TP-EF
POWER AMP
Q604
2SA1115TP-EF
C655
POWER AMP
C660
47
47 25V
25V
IC601
STK350-530T-E
1 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
-55.3 55.3 55.3 1.2 -1.1 54.8 -0.3 -0.2 -0.2 -0.3 55 -1.1 1.2 0
C618 C619 C612
100p 100p 100p
C611
50V 50V
500V
C613 100p
3p 500V
C620
500V
C617 C610
100p 100p
3p
IC601
R613
500V
68k
PRE DRIVER R611
R617
R619
68k R618 R612
68k
IC B/D 68k
2.2k 2.2k
C621 C614
R616 R610 220
220
1k 1k 10V
10V
C616 C609
10 10
50V 50V
[C]
[SBL]
FOR STK
AA2
28 28
10 11 12 13
A1
A2
A3
A1
A4
A5
A6
A7
A8
A9
MAIN BOARD
1
(2/4)
(Page 29)
A10
A11
A12
A13
A14
A2
A15
A16
A17
A18
A19
A20
14 15