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Schematic Diagram - Power Board (2/2) - Sony hcd-hdx501W Service Manual

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Q Q
3 7 6 3 1 5 1 5 0
6-40. SCHEMATIC DIAGRAM – POWER Board (2/2) –
1
2
3
A
POWER BOARD
(2/2)
B
IC921
IC B/D
POWER CONTROL
IC921
STR-V153
C
R925
1
3
4
5
6
8
2.6
134.7
JW918
D
R927
0.82
1W
C925
47p
2KV
E
D923
UDZW-TE17-10B
T E
L
1 3 9 4 2 2 9 6 5 1 3
Q921
F
2SD1616A-TP-LK
RIPPLE FILTER
23.3
23.8
G
C924
R926
2.2
680k
C923
50V
C929
4700p
0.1
EB904
(CHASSIS)
H
I
w w w
HCD-HDX500/HDX501W
• See page 72 for IC Block Diagrams.
4
5
6
7
PC903
TLP421F(D4-GR)
ISOLATOR
4.4
10
R929
R969
2.2
1k
1/2W
2.6
JW917
JW987
PC902
TLP421F(D4-GR)
JW919
ISOLATOR
C928
220p
250V
1
16
D944
EK19LF-F7
2
15
D922
D942
D1NL20U-TR2
R922
RK36LF-B3
4.7
3
14
D943
RK36LF-B3
4
4
13
5
12
24.2
11
7
10
R923
4.7k
8
9
T902
SUB POWER
TRANSFORMER
C958
C922
0.01
22
100V
C940
C967
C944
3300
2200
0.1
10V
16V
x
a o
y
.
i
http://www.xiaoyu163.com
8
9
10
11
3.9
2.9
3.9
R956
3
1k
L947
10uH
L948
C953
10uH
IC943
0.001
IC B/D
L944
2KV
10uH
+3.3V REGULATOR
L945
13.4
10uH
D941
L942
IC943
EK19LF-F7
9.5
10uH
SI-3010KM-TL
L943
6.5
10uH
L941
Q
Q
10uH
3
7
6
R951
1
2
3
4
5
220
L951
10uH
R955
R952
2.2k
470
C952
R954
0.047
22k
2.3
3
2.4
1
R946
22k
2
C946
R953
C969
C948
R948
1000
0.01
470
3.9k
10k
16V
10V
C968
C941
C955
C960
IC951
0.01
0.01
0.01
1000
25V
SHUNT REGULATOR
IC951
TA76L431S(TPE6,Q)
u 1 6 3
69
69
http://www.xiaoyu163.com
2
4
8
9
9
12
13
14
Q945
RSR025N03TL
B+ SWITCH
0
9.5
IC B/D
11.7
R958
IC942
1k
+5V REGULATOR
IC941
IC B/D
IC942
SI-3010KM-TL
+12V REGULATOR
IC941
SI-3010KM-TL
3
1
5
1
5
0
8
9
2
1
2
3
4
5
1
2
3
4
5
R971
0
D945
UDZW-TE17
-20B
R945
C949
C970
C947
R942
C954
100
0.01
10k
100
10k
0.1
10V
10V
C945
C971
C942
C951
470
0.01
470
0.1
25V
16V
m
c o
.
HCD-HDX500/HDX501W
2
8
9
9
15
16
17
18
9
7
8
91
6
5
POWER
1
BOARD
(1/2)
4
(Page
3
2
68)
CN906
R966
1k
12P
1
P.CONT1
R967
1k
2
P.CONT2
R968
1k
3
P.CONT3
4
E+4V
Y
5
D+3.3V
6
6V
MAIN
7
D-GND
BOARD
(6/13)
8
D+5V
CN506
9
M+8V
(Page
10
M-GND
40)
11
12V
12
A-GND
R957
47k
R974
3.3k
4
9
8
2
9
9
CN903
L952
2P
10uH
K
1
DIAT+12V
2
DIAT GND
DIAT CON
BOARD
C976
C961
CN1808
100
0.1
C943
16V
100
(Page
16V
63)

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