LG HT356SD Service Manual page 31

10. TRACKING CONTROL RELATED SIGNAL(System checking)
FIG 10-1(DVD)
FIG 10-2(CD)
PU_DET
32
TRO
33
T-
34
T+
35
PU_DET
32
TRO
33
T-
34
T+
35
24
16 26
10
11
18 28
17 22 27
2-22
32 : This signal can see using special debug program
23 25 32
3
13
33
29
30
31
34
35
39
37
36