Schematic Diagram - Main Section (3/4) - Sony STR-DH700 Service Manual

STR-DH700
5-13. SCHEMATIC DIAGRAM — MAIN BOARD (3/4) —
1 2
A
MAIN BOARD (3/4)
B
+7V 1
-7V 2
R-CH(V2) 3
R2-GND 4
C
L-CH(V2) 5
R2+15V 6
GND 7
GND 8
D
FR 9
FL 10
CONNECTION SW
11
BOARD
C 12
CN803
SR
(Page 49) 13
D
SL
14
GND 15
GND 16
SBR 17
SBL 18
CN555
18P
CN556
18P
E
ZONE2 L 1
ZONW2 R 2
PROTECT 3
DATA 4
CLK
5
MULTI-IN 6
VACS 7
8
L-IN
E
R-IN 9
F
GND 10
CONNECTION
TUNER-R 11
BOARD
CN804 GND 12
(Page 49)
TUNER-L 13
SIRIUS-R 14
SIRIUS-L 15
DCAC 16
17
DM-R
DM-L 18
G
H
I
J
STR-DH700
• Refer to page 17 for Circuit Boards Location.
3 4 5 6
AA1
C552
100p
R552
1k
R551
1k
C551
100p
1
AGND
80
79 SUB1L
0
78
SUB1R
0
77 AGND
76 ADCL
0
75
ADCR
0
74 AGND
73 FRIN1
0
72 FLIN1
0
71
SWIN1
0
70 CIN1
0
69 SRIN1
0
68 SLIN1
0
67 SBRIN1
0
66 SBLIN1
0
65 AGND
64 INR1
0
63 INL1
0
62 INR2
0
61
INL2
0
60
0 0
C539
4.7
R527
1k
*CC527
100p
L1
J521
6P
L
OUT
SA-CD/CD/CD-R
7 8 9
MAIN BOARD
2
(1/4)
(Page 28)
AA2
R553
2.2
C553
47
25V
C555
0.1
6.9 0 0 -7 0 0 0 0 0 0 0 0
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
AGND 21
AGND 22
23
RECL4
RECR4 24
RECL3 25
RECR3 26
0
RECL2 27
IC B/D 0
RECR2
28
0
29
RECL1
IC551 0
RECR1 30
IC551
BD3471KS2 31
AGND
ELECTRICAL VOLUME
SBLIN2 32
SBRIN2 33
SLIN2
34
SRIN2 35
CIN2 36
SWIN2 37
FLIN2 38
FRIN2 39
AGND 40
59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
C538
4.7
C541
4.7
R522
1k
R531
R521 R532 R524 R526
1k R523 R533
1k 1k
1k 1k 1k 1k
L2 L3 G
R1 R2 R3 G L1 R1 L2 R2 L1
J522 J523
4P 4P
R L R L R L R L R L
AUDIO AUDIO
IN IN
IN IN
TV
SAT BD
30 30
10 11 12
C441
4.7
50V
R446
220
R441
100k
D441
Q441
RY441
MA2J1110GLS0
2SC3052EF-T1-LEF
RELAY DRIVER
R443
47k
R442
1k
R445
47k
1SR154-400TE-25
C415
470
16V
C413
470
16V
C535
2200p
C540
4.7
50V
R535
R525 R534
1k
1k 1k
C537
2200p
1 2 3
R1 L2 R2 G
*J524
1P
R L R
AUDIO AUDIO AUDIO
OUT IN OUT
VIDEO 1 SUBWOOFER
13 14 15
R444
10k
A21
IC413
-15V REG
A22
D412
-15V
O I A23 4
G
C414
0.47
MAIN
BOARD
(4/4)
IC412
(Page 31)
C412
+15V REG
0.47
+15V
COM
A24
IC412
KIA7807API-U/PF