Sony DVP-M35 Operation Manual page 66

4-5-2. Pin Functions
22
23 TBLR
24 TBLL
25
26
27
28
Can be set to control, non-control, acceleration.
signal:ON when "II"
I/O, RD/WR Spindle servo gain control signal.
Switches the gain of the "first stage" amplifier.
Changer roulette rotation. Rotates when "I-I".
I/O, RD/WR
I/O, RD/WR Changer roulette rotation. Rotates when "II".
I/O, RD/WR Changer loading OUT. Loading out when "L".
I/O, RD/WR Changer loading IN. Loading in when "L".
I/O, RD Mechanism chucking detection signal.
I/O, RD Tray open signal. "H" when the tray is open.