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
31
31
STR-DH700
STR-DH700
5-14. SCHEMATIC DIAGRAM — MAIN BOARD (4/4) —
• Refer to page 17 for Circuit Boards Location.
Mount Mecha
424441511
HS407
Heatsink for D407
Mount Mecha
493140191
HS412
IC412 Heatsink
add SCREW 7-685-646-71,EXPL=P--C,BM=11
CENTER
+
-
R
+
-
SURROUND
BACK/ BI AMP/
FRONT B
L
+
-
R
+
-
SURROUND
L
+
-
R
+
-
FRONT A
SPEAKERS
L
+
-
RY406
1
2
3
5
6
8
4
7
2SC3052EF-T1-LEF
Q406
1
2
3
4
5
5P
CN554
R1 (UPPER TAP)
R1 (LOWER TAP)
R1 GND
R1 (LOWER TAP)
R1 (UPPER TAP)
2.2k
R451
2SC3052EF-T1-LEF
Q451
RY451
12V
Q423
RY423
12V
Q422
RY422
12V
2SC3052EF-T1-LEF
RELAY DRIVER
RELAY DRIVER
RELAY DRIVER
Q421
Q421-Q423,Q425
2.2k
R421
1k
R425
1k
R429
MA2J1
110GLS0
D423
MA2J1110GLS0
D406
MA2J1
110GLS0
D421
MA2J1
110GLS0
D422
MA2J1110GLS0
D451
RY425
12V
1
2
3
4
5
6
MA2J1
110GLS0
D425
Q425
R437 2.2k
10
*RR500
0.01
*CC500
0.01
*CC501
10
*RR501
R438 33
33
R430
33
R426
33
R422
47
R453
R406
33
680
R456
R455
680
R440
47k
47k
R428
47k
R432
R424
47k
47k
R454
R408
47k
RY421
12V
R409
2.2k
D403
50V
0.1
C402
25V
2200
C403
1SR154-400TE-25
D401-D404
D401
25V
1000
C404
1
2
3
3P
*CN553
R2 AC
R2 CENTER TAP
R2 AC
D402
D404
50V
0.1
C401
1
3
4
5
CN552
5P
HP DETECT
R-CH
GND
L-CH
TB500
1 2 3 4
5
TB502
1 2 3 4
TB503
1 2 3 4 5 6
0.01
*CC504
0.01
*CC505
0.01
*CC506
0.01
*CC507
0.01
*CC508
10
*RR504
10
*RR505
10
*RR506
10
*RR507
10
*RR508
250V
2A
F401
250V
2A
F402
1
8
3
4
5
6
7
8P
CN551
HP DETECT
BRIDGEABLE RY
HP RY
C-SL-SR RLY
SW PREOUT RY
FRONT A RY
SBR-SBL RLY
FH001
FH002
FH003
FH004
F403
F404
F403, F404
6.3A 250V
R407
47
0.22
100V
C406
0.22
100V
C407
D5SBA20-4003
D407
~
~
C409
0.01
71V
C408
0.01
71V
0.001
*C697
0.001
*C698
*C699
*C700
*C701
0.001
0.001
0.001
0.001
*C702
0.001
*C703
SPK_C
SPK_SR
SPK_SL
SPK_FL-A
+15V
+15V
FR_OUT
FL_OUT
SPK_FR-A
15V_GND
+15V
-15V
SBR
SBL
AEP
,UK MODEL
AA3
AA4
0.8
0.2
0.8
0.2
0.8
0.2
0.8
0.2
15.6
0
15.7
0
A36 A37
A38 A39 A40
A41
A42
A43
A44
A45
A46
A47
A21
A22
A23
A24
MAIN BOARD (4/4)