Schematic Diagram - Main Board (3/4) - Sony STR-KM7600 Service Manual

5-12. SCHEMATIC DIAGRAM — MAIN BOARD (3/4) —
1 2 3
A
MAIN BOARD (3/4)
B
CN555
18P
+7V 1
-7V 2
R-CH(V2) 3
C R2-GND 4
L-CH(V2) 5
R2+15V 6
GND 7
D
GND 8
FR 9
FL
10
CONNECTION
SW 11
BOARD
C 12
CN803
SR
13
D
(Page 44)
SL
14
GND 15
GND 16
SBR 17
SBL 18
CN556
18P
E
ZONE2 L 1
ZONW2 R 2
PROTECT 3
DATA 4
CLK
5
MULTI-IN 6
VACS 7
E
L-IN 8
R-IN
9
F
CONNECTION GND 10
TUNER-R 11
BOARD
GND 12
CN804
TUNER-L 13
(Page 44)
SIRIUS-R 14
SIRIUS-L 15
DCAC 16
DM-R 17
DM-L 18
G
CN558
6P
C
+7V
1
-7V 2
GND 3
VIDEO 2
L-CH (V2) 4
BOARD
V2-GND 5
CN173
H
R-CH (V2) 6
(Page 28)
I
J
STR-KM7600
• Refer to page 48 for IC Block Diagrams.
4 5 6 7
2
AA1
C552
100p
R552
1k
R551
C557
1k
2200p
C551
100p
C556
0.1
C555
0.1
1 2 3 4
80 AGND
79 SUB1L
78 SUB1R
77
AGND
76 ADCL
0
75 ADCR
0
74 AGND
73
FRIN1
0
72 FLIN1
0
71
SWIN1
0
CIN1
70
0
69 SRIN1
0
SLIN1
68
0
67 SBRIN1
0
66 SBLIN1
0
65 AGND
64 INR1
0
63 INL1
0
62 INR2
0
61 INL2
0
60 59 58 57
0 0
C539 C541
4.7 4.7
50V 50V
R527 R536
1k 1k
CC527 CC534
100p 100p
L1 R1
J521
6P
R
L
OUT
SA-CD/CD/CD-R
8 9 10
MAIN BOARD
(1/4)
(Page 21)
AA2
-7V
JS002
C558
2200p
JS001
6.9 0 0 -7 0 0 0 0 0 0 0 0
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
BD3470KS2 AGND 31
ELECTRICAL VOLUME
32
SBLIN2
SBRIN2 33
SLIN2 34
SRIN2 35
36
CIN2
SWIN2 37
FLIN2 38
FRIN2 39
40
AGND
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
C538 C540
4.7 4.7
50V 50V
R521 R530 R522 R531 R523 R532 R524 R533 R526 R535
1k 1k 1k 1k 1k 1k 1k 1k 1k 1k
CC521 CC528 CC522 CC529 CC523 CC530 CC524 CC531 CC536 CC526 CC533
100p 100p 100p 100p 100p 100p 100p 100p 2200p 100p 100p
JW522
L2 R2 L3 R3 G L1 R1 L2 R2 G L1 R1
J522 J523
4P 4P
R R R R R
L L L L L
AUDIO AUDIO AUDIO
IN IN
IN IN OUT
TV
SAT BD
VIDEO 1
23 23
11 12 13
C442
10
50V
R446
220
R441
100k
D441
Q441
RY441
MA2J1110GLS0 2SC3052EF-T1-LEF
RELAY DRIVER
R443
47k
R444
10k
R442
R445
1k
47k
D412
1SR154-400TE-25
C415
470
16V
IC412
C413
470
+7V REG
16V
IC412
KIA7807API-U/PF
R525 R534
1k 1k
CC525 CC532 C537 C535
100p 100p 2200p 2200p
L2 R2 G 1 2 3 4 G
J525
2P
R R
L L
AUDIO AUDIO
IN OUT
SUBWOOFER
STR-KM7600
14 15
5
A17
A18
MAIN BOARD
A19
(2/4)
A20
(Page 22)
A21
IC413
-7V REG
A22
-15V 4
A23
O I
G
C414
0.47 MAIN BOARD
(4/4)
(Page 24)
C412
0.47
+15V
COM
A24