Sony SCD-XB770 Service Manual page 51

Pin No.
Pin Name
56 VDD
57, 58
PA3, PA4
59
OUT SW
60
PA6
61
LIM SW
62 PB0
63, 64
NC
I/O
— Power supply terminal (+3.3V) (digital system)
—
Not used (open)
I
Disc tray out detection signal input terminal Not used (fixed at "H")
—
Not used (open)
Detection signal input from limit in switch (S1)
I
The optical pick-up is inner position when "H"
— Not used (open)
—
Not used (open)
Description
SCD-XB770
51