Waveforms Of Major Check Point - LG SB74 Service Manual

WAVEFORMS OF MAJOR CHECK POINT

1. SPINDLE DRIVE AND MOTOR WAVEFORM
U704 pin19
U704 pin20
U704 pin22
U704 pin21
2. WHEN CD PLAYING FE/EE/TE/SP+ WAVEFORM
U703 pin62
U703 pin61
U703 pin60
U704 pin21
SL-
1
2
SL+
3
SP-
4
SP+
5
TE
6
EE
7
FE
8
SP+
3-9