Sony HCD-GB3 Service Manual page 37

QQ
3 7 63 1515 0
• IC Block Diagrams
– BD83S Board –
IC402 BA5947FM-E2
TE
L 13942296513
www
.
http://www.xiaoyu163.com
IC203 BH18LB1WG-TR
VIN 1
GND 2
STBY 3
28 27 26 25 24
+ –
INTERFACE
1 2 3 4 5
x ao
y
i
http://www.xiaoyu163.com
8
VOLTAGE
REFERENCE
THERMAL
PROTECTION
OVER CURRENT
PROTECTION
CONTROL
BLOCK
Q Q
3 6 7 1 3
23 22 21 20 19
MUTING
INTERFACE
INTERFACE
VREF
6 7 8 9 10
u163
.
2 9 9 4 2 8
5 VOUT
4 NC
1 5 0 5 8 2 9 9 4
18 17 16 15
D D D D
LEVEL SHIFT
D D D D
11 12 13 14
m
co
HCD-GB3
9 9
2 8 9 9
37