LG HT904TA Service Manual page 32

0. TRACKING CONTROL RELATED SIGNAL(System checking)
FIG 0-(DVD)
FIG 0-2(CD)
PU_DET
2
TRO

T-

T+

PU_DET
2
TRO

T-

T+

2-2
2 : This signal can see using special debug program
IC501
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