CDP-XE530 - Sony Audio Service Manual (repair manual). Page 22

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• Abbreviation
FL : Fluorescent indicator tube
Pin No.
Pin Name
I/O
Function
41
VSS
Ground
42
TX
Not used
43
TEX
Connected to ground
44
VDD (+5V)
Power supply (+5V)
45
VFDP (–30V)
Pull down voltage (–30V)
46
XSEL
O
Not used
47
Not used
48
LP CONTROL
O
LP control hold output
49 to 66
OPEN
Not used
67 to 87
S21 to S1
O
FL segment signal output
88
1G
O
FL grid signal output
89
VDD (+5V)
Power supply (+5V)
90 to 100
2G to 12G
O
FL grid signal output
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