Sony HCD-U1BT Service Manual page 52

HCD-U1BT
QQ
3 7 63 1515 0
• IC Block Diagrams
– BD83S Board –
IC402 BA5947FM-E2
TE
L 13942296513
28 27
1 2
www
.
52
http://www.xiaoyu163.com
IC203 BH18LB1WG-TR
VIN 1
VOLTAGE
GND 2
REFERENCE
THERMAL
PROTECTION
OVER CURRENT
PROTECTION
CONTROL
STBY 3
BLOCK
26 25 24 23 22
+ –
INTERFACE
INTERFACE
INTERFACE
3 4 5 6 7
x ao u163
y
i
http://www.xiaoyu163.com
2 9
8
5 VOUT
4 NC
Q Q
3 6 7 1 3 1 5
21 20 19 18 17
MUTING
D D
D D
VREF
8 9 10 11 12
co
.
9 4 2 8
0 5 8 2 9 9 4 2 8
16 15
D D
LEVEL SHIFT
D D
13 14
m
9 9
9 9