Dvd Board - Sony HCD-FC8 Service Manual

HCD-FC8/FC9
– DVD BOARD –
IC203 BR9040F-WE2
8 7
4096bit
EEPROM ARRAY
ADDRESS R/W
DECODER AMP
DATA
ADDRESS
REGISTER
BUFFER
1 2
72
6 5
COMMAND
REGISTER
WRITE
DISABLE
POWER
HIGH VOLTAGE
SUPPLY
GENERATOR
VOLTAGE
DETECTOR
COMMAND DECODE
CONTROL CLOCK
GENERATION
3 4
IC215 SN74ALVCH16841DGGR
1OE 1 OE LE
1D1 2
1D2
3
GND
4
1D3
5
1D4 6
VCC 7
LATCH
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
LATCH
VCC 22
2D7 23
2D8
24
GND 25
2D9 26
2D10 27
2OE 28 OE LE
56 1LE
55 1Q1
54 1Q2
53 GND
52 1Q3
1Q4
51
VCC
50
49 1Q5
48 1Q6
47 GND
46 1Q7
1Q8
45
44 1Q9
43 1Q10
42 2Q1
41 2Q2
40 2Q3
39 GND
38 2Q4
2Q5
37
36 2Q6
35 VCC
34 2Q7
33 2Q8
32 GND
31 2Q9
30 2Q10
29 2LE