Service manual

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73 AVSS – GND.
74 VREF – A/D reference power supply.
75 C–RD1 I DATA : CD–HOST.
76 STB – Not used. (Connected to GND through a resistor)
77 CLK – Not used. (Connected to GND through a resistor)
78 CD–CE O BUSY : HOST–CD.
79 DATA – Not used. (Connected to GND through a resistor)
80 CD–ON O CD block power supply on/off signal.
Pin No. Pin Name I/O Description