– 25 –
Pin No. Pin Name I/O Function
45 COM-CLK O
Serial data transfer clock signal output to the electrical volume (IC201), DJ effect controller
(IC401), and key control (IC1401)
Power on/off selection signal output for the CD circuit “H”: power on
Serial data output terminal Not used (open)
Serial data transfer clock signal output terminal Not used (open)
Command data output terminal Not used (open)
Busy signal input terminal “L”: busy Not used (fixed at “L”)
Serial data latch pulse output terminal Not used (open)
NAR signal output terminal Not used (open)
Channel select output terminal Not used (open)
INPUT-
CHANGE
MD/VIDEO input gain control signal output terminal “L”: VIDEO, “H”: MD
Communication data bus with the fluorescent indicator tube driver (IC601) and IIC interface
controller (IC901)
Communication data reading clock signal input or transfer clock signal output with the
fluorescent indicator tube driver (IC601) and IIC interface controller (IC901)
Reset signal output to the IIC interface controller (IC901) “L”: reset
Serial data latch pulse output terminal Not used (open)
Focus control signal output terminal Not used (open)
Motor drive signal output to the disc tray turn motor driver (IC701)
Motor drive signal output to the disc tray turn motor driver (IC701)
LED on/off control signal output for the CD tray LED Not used (open)
Motor drive signal output to the disc tray slide motor driver (IC801)
Motor drive signal output to the disc tray slide motor driver (IC801)
PLL serial data transfer clock signal output to the FM/AM tuner unit
PLL serial data input from the FM/AM tuner unit
PLL serial data output to the FM/AM tuner unit
PLL chip enable signal output to the FM/AM tuner unit
Tuning detection signal input from the FM/AM tuner unit “L”: TUNED
FM stereo detection signal input from the FM/AM tuner unit “L”: STEREO
Tuner mute control signal output to the FM/AM tuner unit “L”: mute on
Internal status (SENSE) signal input terminal Not used (fixed at “L”)
Internal status (SENSE) signal input terminal Not used (fixed at “L”)
Disc status detection signal input from the disc sensor (IC703)
Disc tray status detection signal input from the disc tray sensor (IC702)
Up switch input terminal Not used (open)
Detection signal input from the disc tray address detect rotary encoder (S811)
Detection signal input from the disc tray open/close detect switch (S801)
“L”: open, “H”: close
High/normal speed selection signal output of the capstan motor (M1)
“L”: high speed, “H”: normal speed
Motor drive signal output to the trigger motor driver (IC1502)
Motor drive signal output to the trigger motor driver (IC1502)
Motor control signal output to the trigger motor driver (IC1502)
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1
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TEL 13942296513 QQ 376315150 892498299
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