Read Sony HT-DDW7500 / HT-DDW8500 / STR-KM7500 Service Manual online
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STR-KM7500
STR-KM7500
1
2
3
4
5
6
7
8
9
10
11
14
15
12
13
A
B
C
D
E
F
G
H
I
J
5-10. SCHEMATIC DIAGRAM — MAIN BOARD (1/4) — • See page 11 for Block Diagram • Refer to page 49 IC Block Diagrams.
Ver. 1.4
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
2SA1163L-TE85L
Q603
2SA1163L-TE85L
Q602
L600
1
2
3
MN2488-OPY-MK
IC604
SBR +VE
B
C
E
1
2
3
B
C
E
2SA1115TP-EF
Q600
CP600
R652
10
1.5k
R648
15k
R649
MP1620-OPY-MK
IC605
SBR -VE
R651
4.7
2.2k
R641
47k
R653
220p
C653
560
R643
68k
R650
6.2k
R647
C654
0.022
4.7k
R646
82k
R642
25V
47
C650
47p
C652
C651
47p
2SA1163L-TE85L
Q606
560
R669
47p
C657
C661
47p
2SA1115TP-EF
POWER AMP
POWER AMP
Q604
1
2
3
MN2488-OPY-MK
IC608
C +VE
B
C
E
6.2k
R673
R679
47k
2.2k
R667
25V
47
C655
2SA1163L-TE85L
Q611
1.5k
R674
2SA1115TP-EF
Q608
82k
R655
L601
1.5k
R661
4.7k
R659
560
R656
0.022
C664
82k
R668
220p
C658
4.7k
R672
R664
4.7
0.022
C659
Q610
68k
R676
1
2
3
MP1620-OPY-MK
IC607
SBL -VE
B
C
E
25V
47
C660
1
2
3
MN2488-OPY-MK
IC606
SBL +VE
B
C
E
10
R678
R665
10
15k
R662
1
2
3
MP1620-OPY-MK
IC609
C -VE
C -VE
B
C
E
47k
R666
L602
15k
R675
CP602
Q607
2.2k
R654
CP601
6.2k
R660
220p
C663
68k
R663
47p
C662
R677
4.7
1000V
3p
C613
3p
C620
1k
R610
50V
C609
10
68k
R613
100p
C610
100p
C619
100p
C612
50V
C616
10
1k
R616
100p
C617
68k
R619
68k
R617
D602
D601
D600
100p
C606
68k
R605
1k
R604
3p
C607
100p
C604
R607
68k
50V
C603
10
100
R671
100
R670
100
R645
100
R644
100
R658
100
R657
R606
2.2k
2.2k
R618
2.2k
R612
C656
47p
JW600
JW601
JW602
JW603
68k
R611
10V
C614
220
10V
C608
220
10V
C621
220
47k
R732
47k
R733
47k
R735
0.01
C685
0.01
C686
0.01
C688
D607
MA2J1
110GLS0
D608
MA2J1
110GLS0
D610
100k
R739
100k
R740
100k
R742
25V
47
C692
MAZ8056GMLS0
D614
15k
R747
18k
R748
MA2J1
110GLS0
D617
0.01
C693
15k
R751
100k
R752
D571
MAZ8030G0LSO
R571
6.8k
R573
22k
C571
220
R572
0
100p
C618
1000V
1000V
1000V
50V
100p
C605
1000V
1000V
100p
C611
1
9
8
7
6
5
4
3
2
15
14
13
12
11
10
1
9
8
7
6
5
4
3
2
15
14
13
12
11
10
STK350-530T-E
PRE DRIVER
IC600
MUTE
-VOUT1
+VOUT1
COMP1
NF1
IN1
GND
IN2
NF2
COMP2
-VOUT2
+VOUT2
VCC
VCC
VEE
STK350-530T-E
IC601
MUTE
+VOUT1
-VOUT1
COMP1
NF1
IN1
GND
IN2
NF2
COMP2
-VOUT2
+VOUT2
VCC
VCC
VEE
68k
R755
Q601
2SD2144S-TP-V
Q609
Q605
0
R756
10k
R746
PROTECTOR
[SBR]
[SBL]
[C]
VACS
SL_OUT
SBR_OUT
SW/SBSBL_OUT
IC604
IC605
IC608
IC609
IC606
IC607
IC600
IC B/D
PRE DRIVER
IC601
2SD2144S-TP-V
2SD2144S-TP-V
POWER AMP
POWER AMP
POWER AMP
OVERLOAD DETECT
OVERLOAD DETECT
OVERLOAD DETECT
OVERLOAD DETECT
A1
A2
AA1
AA2
-55.3
55.3 55.3
1.2
-1.1
54.8
-0.3
-0.2
-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
1.2 55.5
0
1.2
-1.1
1.2
-1.1
1.2
-1.1
0
0
0
0
-44.7
0
0
0
0
0
-44.7
0
0
0
0
0
-44.7
0
1.2
55.5
0
1.2 55.5
0
-1.1 -55.7
0
-1.1 -55.7
0
-1.1 -55.7
0
IC B/D
A25
A26
A27
A28
A31
A34
A35
A36
10V
1000V
1000V
1000V
1000V
1000V
OVERLOAD DETECT
2SA1163L-TE85L
*1
*1
*1
*1
ENCAPSULATED COMPONENT
OVERLOAD DETECT
MA2J1
110GLS0
MA2J1
110GLS0
MA2J1
110GLS0
MA2J1
110GLS0
2SA1163L-TE85L
POWER AMP
IC604, IC605,
Q600, Q601
POWER AMP
IC608, IC609,
Q608, Q609
POWER AMP
IC606, IC607,
Q604, Q605
POWER AMP
1000V
MAIN BOARD (1/4)
MAIN BOARD
(3/4)
(Page 23)
2
MAIN BOARD
(2/4)
(Page 22)
1
MAIN BOARD
(4/4)
(Page 24)
6
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