Sony SCD-C222ES Service Manual page 78

SCD-C222ES
Pin No. Pin Name
56 VDD
57, 58
PA3, PA4
59
OUT SW
60
PA6
61
LIM SW
62 PB0
63, 64
NC
78
I/O
— Power supply terminal (+3.3V) (digital system)
—
Not used (open)
Disc tray open/close detection switch (S11) input terminal
I
"L": disc tray open, "H": disc trat close
—
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