Http://Www.xiaoyu163.Com - Sony HCD-GX470 Service Manual

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• IC Block Diagrams
– CD Board –
IC203 BH18LB1WG-TR
VIN 1
THERMAL
PROTECTION
OVER CURRENT
PROTECTION
VOLTAGE
GND 2
REFERENCE
CONTROL
STBY 3
BLOCK
IC402 BA5947FM-E2
28 26
27
TE
L 13942296513
+ –
1 2 3
– DRIVER Board –
IC701, 712 BA6956AN
www
.
1 2 3

http://www.xiaoyu163.com

–
+
5 VOUT
4 NC
24 22
25 23 21
INTERFACE
INTERFACE
INTERFACE
5 7
4 6 8
TSD
x ao
y
CONTROL LOGIC
i
4 5 6 7 8 9
http://www.xiaoyu163.com
8
20 18 16
19 17
MUTING
D D D
Q Q
3 6 7 1 3
LEVEL SHIFT
D D D
VREF
9 11 13
10 12
u163
.
HCD-GX470/GX570
2 9 9 4 2 8
15
D
1 5 0 5 8 2 9 9 4
D
14
m
co
9 9
2 8 9 9
53