Schematic Diagram - Main Section (4/4) - Sony STR-DH700 Service Manual

5-14. SCHEMATIC DIAGRAM — MAIN BOARD (4/4) —
1 2 3
A
B
MAIN BOARD (4/4)
C
D
E
F
G
H
A21
4
A22
A23
MAIN BOARD
(3/4)
I
(Page 30)
A24
J
STR-DH700
• Refer to page 17 for Circuit Boards Location.
4 5 6 7
3
MAIN BOARD
(2/4)
(Page 29)
AA3
R432 R428
47k 47k
R440
47k
Q423
Q425 Q422
0.8 0.8 0.8
0.2 0.2 0.2
RY425 RY423 RY422
12V
2 1 12V
12V
SBR
4 3
SBL
6
5
*CC501
*CC504
*CC508 *CC506 *CC505
0.01 0.01 0.01
0.01
*RR508 *RR506 *RR505 *RR504
10 10 10 *RR501
10
*C700
*C703 *C699
0.001
0.001 0.001
1 2 3 4 5 6 1 2 3 4
TB503 TB502
+ - + - + - + - + -
R L R L
SURROUND
SURROUND
CENTER
BACK/ BI AMP/
FRONT B
8 9 10
AA4
R455
680
FR_OUT
FL_OUT
R456 RY451
12V
680
D451
MA2J1110GLS0
R453
Q451 47
15.6
2SC3052EF-T1-LEF
0
RELAY DRIVER
R454
47k
R421
2.2k
R424
47k
R422
33
Q421
+15V
0.8
0.2
Q421-Q423,Q425
2SC3052EF-T1-LEF
RELAY DRIVER
RY421
12V
-15V
SPK_FR-A
R409
2.2k
Mount Mecha HS412 493140191
IC412 Heatsink add SCREW 7-685-646-71,EXPL=P--C,BM=11
Mount Mecha HS407 424441511
D407
D5SBA20-4003
~
C406
C408
0.22
0.01 ~ FH001 F403
100V 7
71V
6
8
C409 C407
0.01 FH002 F404
0.22
4
71V 100V
3
5
1 2
R407
R408
R406
47 47k
33 RY406
0
D406
MA2J1110GLS0
15.7
Q406
0.01
2SC3052EF-T1-LEF
RELAY DRIVER
10
*C697
0.001
5
1 2 3 4
TB500
+ - + -
R L
FRONT A
SPEAKERS
31 31
11 12 13
1 HP DETECT
HEADPHONE
3 R-CH F
4 GND
(Page 50)
5 L-CH
CN552
5P
1 HP DETECT
3 HP RY
DIGITAL BOARD
4 C-SL-SR RLY
N
5 SW PREOUT RY
6
FRONT A RY
7 SBR-SBL RLY
8 BRIDGEABLE RY
CN551
8P
D401-D404
1SR154-400TE-25
D401
C403 D402
2200
25V
C404
1000
D404
25V
D403
P
F401
2A
C401
250V
C402
0.1
0.1 POWER
50V 1 R2 AC
50V
TRANSFORMER
2 R2 CENTER TAP
T901
R2 AC (Page 39)
3
F402
*CN553
2A
3P
250V
Heatsink for D407
F403, F404
P
6.3A 250V
R1 (UPPER TAP)
FH003
POWER
R1 (LOWER TAP)
TRANSFORMER
R1 GND
FH004 T901
R1 (LOWER TAP) (Page 39)
R1 (UPPER TAP)
CN554
5P
STR-DH700
14 15
BOARD
CNP300
(2/4)
CN2100
(Page 45)