Schematic Diagram - Main (3/3) Board - Sony STR-DH730 Service Manual

5-27. SCHEMATIC DIAGRAM – MAIN BOARD (3/3) –
1 2 3
A
MAIN BOARD (3/3)
B
C
D
E 2
13 14
MAIN
BOARD
RY375
(2/3)
4
6
(Page 38)
R395
R394
330 330
5 3
1W 1W
F
R392 R393
330 330
1W 1W
G
H
I
J
STR-DH730/DH830
4 5 6
SBL_R
16
15
C_SUR
17
C_SUR
13
14
LR
15.2
R378
2
47k Q375
2SC3052EF-T1-LEF
0.5
RELAY DRIVER
HP
1
D375
R375
DA2J10100L
2.2k
BRIDGE
21 23 24
22
21 23 24 25
3
MAIN
BOARD
(1/3)
(Page 37)
7 8 9
Q360
2SC3052EF-T1-LEF
D360
RELAY DRIVER
DA2J10100L
0
RY360
R363
47k
0.7
SBR
SBL
SBR
SBL
Q355
2SC3052EF-T1-LEF
D355
RELAY DRIVER
DA2J10100L
0
RY355
R358
R355
47k
1k
C
0.7
SL
SR
SR
Q365
2SC3052EF-T1-LEF
D365
RELAY DRIVER 1 3
5
DA2J10100L
0
SL
R367 R366
47k RY365
1k
0.7
4 6
2
C
D350
1 3 5
DA2J10100L
0
R350 R353 RY350
2.2k 47k
+FR
0.7
2 4
6
Q350
+FL
2SC3052EF-T1-LEF
+FR
RELAY DRIVER
+FL
21
C913
1000
25V
C912
23
2200
25V
D911
1SR154-400TE-25
24
D921
D5SBA60-F
D913
1SR154-400TE-25
25
D912
1SR154-400TE-25
C911
26
1
R920
50V
33
1/4W
27
RY920
6 3 1
D92
DA2J10100L
7 8
4 5 2
0
CL393
Q920
R921 0.7
2SC3052EF-T1-LEF
2.2k
RELAY DRIVER
R925
47k
28
25 26 27 28
26 27 28
39
39
10 11 12 13
* : AUS, ECE ONLY
CC62
220p
100V
R
*RR17
*CC17 CL355
4.7
0.01
25V
SURROUND BACK/
FRONT HIGH
*CC18
CL356
0.01 4.7
25V
L
CC61
220p
*CC15 100V TB503
0.01
25V
CC63
*RR15 CL357
4.7 100V 220p
*CC14 CC64
*RR14 CL358
0.01 4.7 100V 220p R
25V
SURROUND
*RR13 CC65
*CC13 CL359
4.7 100V 220p
0.01
L
25V
*CC12
0.01
TB504
25V
CL360
R
*RR12 CL361
L
4.7
*CC71
*CC70
100p
100p
*RR11
4.7
*CC11
0.01
25V
CN391
5P
CL364
HP DETECT
2 NC
CL362
3 R - C H
4 GND
CL363
5 L - C H
D303
C322
1SS367-T3SONY
0.1
16V
C301
1000p
50V
D302
1SS367-T3SONY
D910
1SR154-400TE-25
CNP930
F910
5P
T2.5A 250V
CL366
R2 AC
C910
1 2 NC
50V CL367
3 CENTER TAP
4
NC
CL368
5 R2 AC
F911
T2.5A 250V
CNP920
5P
F913
CL372
T6.3A 250V
R1 (UPPER TAP)
CL373
R1 (LOWER TAP)
CL371
R1 GND
CL370
R1 (LOWER TAP)
CL369
R1 (UPPER TAP)
F912
T6.3A 250V
STR-DH730/DH830
14 15
CENTRE
SPEAKERS
FRONT
HP
BOARD
D
CN105
(Page 35)
T901
POWER TRANSFORMER