Schematic Diagram − Center Sw Amp Board - Sony HCD-FLX7D Service Manual

Q Q
7-30. SCHEMATIC DIAGRAM – CENTER SW AMP Board – 3 7 6 3 1 5 1 5 0
POWER AMP
STK442-130
C551
10
50V
T E
L 1 3 9 4 2 2 9 6 5 1 3
NO802
9P
SW
SW GND
CENTER
CENTER GND
PB-R
REC-R
A-GND
(Page 54)
PB-L
REC-L
C501
10
50V
w w w
.
IC501
R551
1k
C553
100p
C552 R552
470p 47k
R511
100
R553 R519
680 22k R512
100
C554
100
C508 C507
10V
22 22
100V 100V
C520
1000p
C504
22
50V
R503
560
C502 R502
470p 47k
R504
47k
C503
100p
R501
1k
x a o
y
i
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8
R554
47k
R520
1
R555 R556
0.22 0.22
R521
5W 5W
2.2k
R522
R557 22k
1k Q521
2SA988
Q Q
3 7 6 3
R558
Q522
15k
Q551 Q521,522 2SC1841
2SC1841
STANDBY
OVER LOAD
SWITCH
DETECT
D552
1SS133T
R523
68k
C521
R524 R526
47
5.6k 2.2k
100V
D501 D502
1SS133T 1SS133T
R508
Q501
15k
2SC1841
R507 OVER LOAD
1k
DETECT
R506
0.22
5W
R505
0.22
5W
u 1 6 3
.
63 63
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2 4
9 9 8
D591
RECT D591
D15XB20 3
1 4
C593 C591
R591
2200 0.1
100k 2
63V 100V
C594 C592
R592
2200 0.1
100k
63V 100V
C555 C556 R560
0.1 0.1 10
D921 D921
3
D3SBA20
RECT C921
0.01
1 4
C922
C923
0.01
4700
R525 2
25V
2.2k
1 5 1 5 0 8 9 2 4
+12V REGULATOR
IC921
PQ12RF21
JW531 R922 10k
R510
C925 C926 Q923
10
10 1000 BA1A4M
50V 16V
C506
0.1
JW540
C505
0.1
I O
G
IC922
TA7809S
C927 +9V REGULATOR C928
10 1000
50V 10V
m
c o
HCD-FLX5D/FLX7D
2
9 9
NO702
8P
AC2(VH)
AC2(VH)
AC GND
AC GND
AC2(VH)
AC2(VH)
AC3(MOTOR)
(Page 81)
AC3(MOTOR)
CN502
12P
SW
SW
SW GND
SW GND
CENTER
CENTER
CENTER GND
CENTER GND
POWER GND
POWER GND (Page 67)
STK MUTE
9 8 2 9 9
OVER LOAD
Q922,923
CD/DVD ON
SWITCH
R921
100
Q922
BA1A4M
JW507
CN503
13P
DVD+12V
DVD-GND
CD/DVD POWER
M-GND
M+9V
UNREG GND
UNREG(M)
A-GND
PB-R
REC-R
(Page 66)
JW501 A-GND
PB-L
REC-L
The components identified by mark 0 or dotted
line with mark 0 are critical for safety.
Replace only with part number specified.