LG LPA-735 Service Manual page 30

5. SPINDLE CONTROL WAVEFORM (NO DISC CONDITION)
6. TRACKING CONTROL RELATED SIGNAL(System checking)
FIG 5-1
FIG 6-1
3-23
DMSO(1.4V/1.8V)
(IC501 PIN 18)
SP-(3.6V/2.4V)
(IC202 PIN 10)
SP+(3.6V/4.8V)
(IC202 PIN 11)
TE(IC500 PIN 32)
TRSO(IC200 PIN 8)
T-(IC200 PIN 20)
T+(IC200 PIN 19)