Read Sony CFD-S22L / CFD-S32L (serv.man2) Service Manual online
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Pin No.
Pin Name
I/O
Pin Description
75
NC
—
Not used. (Open)
76
A-MUTE
O
Audio mute output H: Mute
77
SCL
O
EEPROM clock output
78
EC
I
Event counter input
79
TC-PLAY
I
Tape play switch input L: Tape
80
C-DOOR
I
CD door open/close switch input L: Close
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