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

STR-KM7600
5-13. SCHEMATIC DIAGRAM — MAIN BOARD (4/4) —
1 2 3
A
B
MAIN BOARD (4/4)
C
6
A2
A1
MAIN BOARD
A3
(1/4)
(Page 21)
D
E
4
A21
A22
F
MAIN BOARD
A24
(3/4)
A23
(Page 23)
G
H
I
J
STR-KM7600
4 5 6 7
MAIN BOARD
3
(Page 22)
AA3
R432
47k
R440
47k
Q423
Q425
0.8 0.8
0.2 R438 0.2
33
RY425 RY423
12V
2 1 12V
SBR
4 3
SBL
6 5
24
8 9 10
(2/4)
AA4
R456
680
2W
FL_OUT
FR_OUT
RY451
R455
680 12V
2W
D451
MA2J1110GLS0
15.6
Q451
2SC3052EF-T1-LEF
RELAY DRIVER
R454
47k
R421
R428 2.2k
47k
R424
47k
R422
33
Q421
Q422
0.8 0.8
0.2 0.2 Q421-Q423,Q425
2SC3052EF-T1-LEF
RELAY DRIVER
RY422 RY421
12V 12V
D407
~
D5SBA60-F
C406
0.22
~
C408 100V
0.01p
71V
C407
C409 0.22
0.01p
100V
71V
R407
47 R406
33
MA2J1110GLS0
CC508 0.01 RR508 10
24
11 12 13
0
R453
47
R451
2.2k
D401-D404
1SR154-400TE-25
+15V
D401
C403 D402
2200
25V
C404
1000
25V D404
D403
F401
R409
-15V 2A
2.2k
250V
C401
C402
0.1
0.1
F402
2A
250V
RY406
7 F403 T6.3AL /250V
6
8
4
F404 T6.3AL /250V
3
5
1 2
R408
47k
0
D406
15.7
Q406
2SC3052EF-T1-LEF
RELAY DRIVER
C697 1000p
RR501 10 CC501 0.01 C698 1000p
RR500 10 CC500 0.01 C699 1000p
C700 1000p
C701 1000p
RR505 10 CC505 0.01 C702 1000p
RR504 10 CC504 0.01 C703 1000p
RR506 10 CC506 0.01
RR507 10 CC507 0.01
14 15
F
1 HP DETECT
HEADPHONE
3 R-CH
BOARD
4 GND
CNP790
5 L-CH
(Page 45)
CN552
5P
N
1 HP DETECT
3 HP RY
4 C-SL-SR RLY
DIGITAL BOARD
5 SW PREOUT RY
(2/4)
6 FRONT A RY
CN2100
7 SBR-SBL RLY
(Page 40)
8 BRIDGEABLE RY
CN551
8P
1 R2 AC
R2 CENTER TAP
2
3 R2 AC
CN553
3P
P
POWER
TRANSFORMER
T901
CN554
5P (Page 34)
R1 (UPPER TAP)
R1 (LOWER TAP)
R1 GND
R1 (LOWER TAP)
R1 (UPPER TAP)
TB500
- L
-
R
FRONT
L
R
TB502
L
SURROUND SPEAKERS
R
TB503
L
SURROUND
BACK
R
CENTER