Samsung VPL500 Service Manual page 21

Alignment and Adjustment
COMMON
IC601
28PIN
IC601
27PIN
IC601
26PIN
EJECT
UNLOADING
POSITION
EJECT
UNLOADING STOP
LOADING STOP
PB
4-2
UNLOADING
LOADING
STOP
IC601 IC601
28PIN 27PIN
L H
L L
H L
H H
LOADING
STOP
IC601
ACTION MODE
26PIN
H
H UNLOADING STOP
L LOADING STOP
L PLAY, FF, REW, STILL....
OPEN
GROUND
PLAY
EJECT
Samsung Electronics