LG HT806TGW Service Manual page 73

7) DISC TYPE JUDGEMENT WAVEFORMS
FIG 7-1 (DVD)
FIG 7-2 (DVD)
F+
34
PU_DET
35
36
RF
F+
34
PU_DET
35
RF
36
2-62
34
35 : This signal can see using special debug program
36
IC500
35