Sony HCD-FC8 Service Manual page 72

HCD-FC8/FC9
QQ
3 7 63 1515 0
– DVD BOARD –
IC203 BR9040F-WE2
8 7
4096bit
EEPROM ARRAY
ADDRESS
R/W HIGH VOLTAGE
DECODER AMP
ADDRESS DATA
BUFFER REGISTER
1 2
TE
L 13942296513
www
.
72
http://www.xiaoyu163.com
6 5
COMMAND
REGISTER
WRITE
DISABLE
POWER
SUPPLY
GENERATOR
VOLTAGE
DETECTOR
COMMAND DECODE
CONTROL CLOCK
GENERATION
3 4
x ao
y
i
http://www.xiaoyu163.com
8
IC215 SN74ALVCH16841DGGR
1OE 1
1D1 2
1D2 3
GND 4
1D3 5
1D4 6
VCC 7
1D5 8
1D6 9
GND 10
1D7 11
1D8
12
1D9
13
1D10
14
2D1 15
2D2 16
2D3 17
GND 18
2D4 19
2D5 20
2D6 21
Q Q
VCC 22
3 6 7 1 3
2D7 23
2D8 24
GND 25
2D9 26
2D10
27
2OE 28
u163
.
2 9 9 4 2 8
OE LE 56 1LE
55 1Q1
54 1Q2
53 GND
52 1Q3
51 1Q4
VCC
50
LATCH
1Q5
49
1Q6
48
GND
47
46 1Q7
45 1Q8
44 1Q9
43 1Q10
42 2Q1
41 2Q2
40 2Q3
39 GND
38 2Q4
37 2Q5
36 2Q6
LATCH
VCC
35
1 5 0 5 8 2 9 9 4
2Q7
34
2Q8
33
GND
32
31 2Q9
30 2Q10
LE 29 2LE
OE
m
co
9 9
2 8 9 9