Read Sony CFD-575 / CFD-577 Service Manual online
– 14 –
Pin No.
Pin name
I/O
Description
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81
OSC 1
O
Oscillator connection terminal (4.19MHz).
82
OSC 0
I
Oscillator connection terminal (4.19MHz).
83
GND
–
Connect to ground.
84
TX
O
Oscillator connection terminal (32kHz).
–––––
85
TX
I
Oscillator connection terminal (32kHz).
86
T-B
I
Deck-B play switch input terminal.
87
R-CE
O
Radio chip enable output terminal.
88
R-MUTE
O
Radio mute signal output terminal.
89
R-ST
I
FM STEREO signal input terminal.
90
REG CHK
I
Regulator check input terminal.
91
R-DATA
I
Radio data input terminal.
92
R-CONT
I
Radio count data input terminal.
93
R-CLK
I
Radio clock data input terminal.
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94
RST
I
Reset terminal.
95
NC
–
Not used (connect to ground).
96
NC
–
97
VDDL
–
98
VDD 1
–
LCD bias.
99
VDD 2
–
100
VDD 3
–
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