Schematic Diagram - Main Board (1/4) - Sony STR-KM7600 Service Manual

5-10. SCHEMATIC DIAGRAM — MAIN BOARD (1/4) —
1 2 3
A
MAIN BOARD (1/4)
B
C
D
*1
ENCAPSULATED COMPONENT
E
IC604, IC605,
POWER AMP
F
G
H
VACS
R572
0
R571 C571 R573
6.8k 220 22k
10V
I
J
STR-KM7600
• Refer to page 48 for IC Block Diagrams.
4 5 6
SBR_OUT
R651
4.7
R739
100k
C685
0.01
R732 R653
47k 47k
R652
10
C654
0.022
Q602
R649 R650
2SA1163L-TE85L 15k 68k
R648
OVERLOAD DETECT
1.5k
0 0 0 -44.7
0
0 Q603
2SA1163L-TE85L
CP600
OVERLOAD DETECT
C653
*1
220p
R646 R647
4.7k 6.2k
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
1.2 55.5 0 -1.1 -55.7 0
JW600 JW601
C651
JW602 JW603
C652
47p
47p
Q600, Q601
1kV
1kV
R644 R645
100 100
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
-55.3 55.3 55.3 1.2 -1.1 54.8 -0.3 -0.2
C605 C606
100p 100p
1000V 50V
C607
3p
1000V C604
100p
IC600 R607
68k
PRE DRIVER
R605
R606
68k
2.2k
IC B/D
C608
R604
220
1k
10V
C603
10
50V
[SBR]
AA1
MAIN BOARD
2
(Page 23)
7 8 9
C_OUT
R677
4.7 R740
R756
100k
0
R746
10k R752
100k
R678
10
D614
C693
C686
MAZ8056GMLS0
0.01 0.01
C664
0.022
C692
47
25V
R733 R751 R679
47k 15k 47k
R747
15k R748
18k
Q610 R675 R676
15k 68k
2SA1163L-TE85L
OVERLOAD DETECT
0 0 0 -44.7
R674
1.5k
0
0
Q611
2SA1163L-TE85L
CP602
C663 OVERLOAD DETECT
*1
220p
R672 R673
4.7k 6.2k
IC608 IC609
IC608 IC609
MN2488-OPY-MK MP1620-OPY-MK
C +VE C -VE
B C E B C E
1 2 3 1 2 3
1.2 55.5 0 -1.1 -55.7 0
C661 C662
IC608, IC609,
Q608, Q609 47p 47p
1kV 1kV
POWER AMP
R670 R671
R668 R669
100 100
82k 560
R667
2.2k
Q609
-1.1
2SD2144S-TP-V
POWER AMP
1.2
Q608
C660
2SA1115TP-EF
47
POWER AMP
25V
7 6 5 4 3 2 1
-55.3
AA2
(3/4)
21 21
10 11 12
SBL_OUT
R664
4.7
R742
100k
R665
10
C688
0.01
C659
0.022
R735
47k
R666
47k
Q606 R662 R663
15k 68k
2SA1163L-TE85L
R661
OVERLOAD DETECT
1.5k
0 0 0 -44.7
0 0 Q607
2SA1163L-TE85L
CP601
OVERLOAD DETECT
C658
*1
220p
R659 R660
4.7k 6.2k
IC606 IC607
IC606 IC607
MN2488-OPY-MK MP1620-OPY-MK
SBL -VE
SBL +VE
B C E B C E
1 2 3 1 2 3
1.2 55.5 0 -1.1 -55.7 0
C656 C657
IC606, IC607,
47p 47p Q604, Q605
1kV 1kV
POWER AMP
R657 R658
R655 R656
100 100
82k 560
R654
2.2k
Q605
-1.1
2SD2144S-TP-V
POWER AMP
1.2
Q604
2SA1115TP-EF
C655
POWER AMP 47
25V
IC601
STK350-530T-E
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
55.3 55.3 1.2 -1.1 54.8 -0.3 -0.2 -0.2 -0.3 55 -1.1 1.2 0
C619 C612
C618
100p 100p C613 C611
100p
C620
3p 100p
3p 1000V
1000V 1000V
1000V
C617 C610
R619 100p 100p R613
68k 68k
IC601
R618 R617 R611 R612
PRE DRIVER 2.2k
2.2k
68k 68k
C621 C614
IC B/D
R616 R610
220 220
1k
1k
10V 10V
C616 C609
10 10
50V 50V
[C]
[SBL]
STR-KM7600
13 14 15
A1 MAIN BOARD
6
A2 (4/4)
(Page 24)
A3
A4
A5
A6
A1
A7
A8
A9
MAIN BOARD
1
(2/4)
(Page 22)
A10
A11
A12
A13
A2
A14
A15
A16