Sony CDP-CX55, Service Manual

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Pin No. Pin Name I/O Function
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
7G
6G
5G
4G
3G
2G
1G
–30V
GND
OSC0
OSC1
RESET
CS (FLLT)
CP (FLCK)
DA (FLDT)
V
DD
NC
NC
NC
P36
P1
P2
P3
P4
Fluorescent display tube grid electrodedrive output terminal
Fluorescent display tube grid electrodedrive output terminal
Fluorescent display tube grid electrodedrive output terminal
uorescent display tube grid electrodedrive output terminal
Fluorescent display tube grid electrodedrive output terminal
Fluorescent display tube grid electrodedrive output terminal
Fluorescent display tube grid electrodedrive output terminal
Fluorescent display tube drive power supply
Ground
CR Oscillation pin
CR Oscillation pin
Reset input pin
Chip select pin
Shift clock input pin
Serial data input pin
Logic power supply
Not used
Not used
Not used
Fluorescent display tube anode electrodedrive output terminal
Fluorescent display tube anode electrodedrive output terminal
Fluorescent display tube anode electrodedrive output terminal
Fluorescent display tube anode electrodedrive output terminal
Fluorescent display tube anode electrodedrive output terminal
O
O
O
O
O
O
O
–
–
I
O
I
I
I
I
–
O
O
O
O
O
O
O
O
• Abbreviation
CR : Condenser and resistor