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
28
28
STR-DH700
STR-DH700
5-11. SCHEMATIC DIAGRAM — MAIN BOARD (1/4) —
• Refer to page 17 for Circuit Boards Location.
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
2SA1163L-TE85L
Q603
2SA1163L-TE85L
Q602
L600
1.7uH
1
2
3
MN2488-OPY-MK
IC604
SBR +VE
B
C
E
1
2
3
B
C
E
2SA1115TP-EF
Q600
0.22
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
500V
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
1.7uH
1.5k
R661
4.7k
R659
560
R656
0.022
C664
82k
R668
50V
220p
C658
4.7k
R672
R664
4.7
50V
0.022
C659
2SA1163L-TE85L
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
B
C
E
47k
R666
L602
1.7uH
15k
R675
0.22
CP602
2SA1163L-TE85L
Q607
2.2k
R654
0.22
CP601
6.2k
R660
220p
C663
68k
R663
47p
C662
R677
4.7
500V
3p
C613
3p
C620
1k
R610
50V
C609
10
68k
R613
100p
C610
100p
C619
50V
50V
100p
C612
50V
C616
10
1k
R616
100p
C617
68k
R619
68k
R617
MA2J1
110GLS0
D602
MA2J1
110GLS0
D601
MA2J1
110GLS0
D600
100p
C606
68k
R605
1k
R604
3p
C607
100p
C604
R607
68k
50V
C603
10
FOR STK
100
R671
100
R670
100
R645
100
R644
100
R658
100
R657
R606
2.2k
2.2k
R618
2.2k
R612
500V
C656
47p
JW600
JW601
JW602
JW603
68k
R611
10V
C614
220
10V
C608
220
FOR STK
10V
C621
220
47k
R732
47k
R733
47k
R735
0.01
C685
0.01
C686
0.01
C688
MA2J1
110GLS0
D607
MA2J1
110GLS0
D608
MA2J1
110GLS0
D610
100k
R739
100k
R740
100k
R742
25V
47
C692
MAZ8056GMLS0
D614
22k
R747
22k
R748
MA2J1
110GLS0
D617
0.01
C693
15k
R751
100k
R752
*D571
XX
*R571
XX
*R573
XX
*C571
XX
*R572
XX
100p
C618
500V
500V
500V
50V
100p
C605
500V
500V
100p
C611
68k
R755
Q601
2SD2144S-TP-V
Q609
Q605
0
*R756
6.8k
*R746
PROTECTOR
Audio-GND
[SBR]
[SBL]
[C]
VACS
SL_OUT
SBR_OUT
SW/SBSBL_OUT
IC604
IC605
IC608
IC609
IC606
IC607
2SD2144S-TP-V
2SD2144S-TP-V
POWER AMP
POWER AMP
POWER AMP
POWER AMP
OVERLOAD DETECT
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
A25 A26 A27
A28
A29
A30
A31
A32
A33
A34
A35
A36
MAIN BOARD (1/4)