Sony CFD-E75 Service Manual page 39

Pin No. Pin Name
67 TAPE
68 TU-DATA
69 TU-CLK
70 TU-MUTE
71 BEEP-H/L
72
VDD
73 TX
74 TEX
75 NC
76 ISS-1
77 ISS-2
78 TU-COUNT
79 TC-REC
80 TC-PLAY
I/O
Tape function control signal output to the TA2068N (IC301)
O
"L": radio or CD on, "H": tape on
O PLL serial data output to the FM/AM PLL (IC2)
O PLL serial data transfer clock signal output to the FM/AM PLL (IC2)
O Tuner muting on/off control signal output to the FM/AM PLL (IC2) "H": muting on
O
Buzzer sound signal level control signal output "L": low, "H": high
— Power supply terminal (+5V)
O Sub system clock output terminal (32.768 kHz)
I Sub system clock input terminal (32.768 kHz)
O Not used (open)
O ISS 1 on/off control signal output terminal "H": ISS 1 on Not used
O ISS 2 on/off control signal output terminal "H": ISS 2 on Not used
I PLL serial count data input from the FM/AM PLL (IC2)
I Record/playback detection signal input "L": playback mode, "H": recording mode
I Tape play detection switch (S304) input terminal "L": tape play mode
Description
CFD-E75
39