![background image](http://html.mh-extra.com/html/sony/hcd-v919av/hcd-v919av_service-manual_420898069.webp)
– 101 –
Pin No.
Pin Name
I/O
Function
120
VDD3
—
Power supply terminal (+3.3V)
121
HSEL
I
Command selection signal input from the CD mechanism controller (IC502)
122
CDG-SDATA
I
Not used (fixed at “L”)
123
CDG-VFSY
I
Not used (fixed at “L”)
124
CDG-S0S1
I
Not used (fixed at “L”)
125 to 128
NC
O
Not used (open)