LG HT356SD Service Manual page 24

3. TRAY OPEN/CLOSE SIGNAL
1) Tray open/close waveform
OPENSW
CLOSESW
CLOSE
3) Tray open waveform
OPENSW
CLOSESW
OPEN
CLOSE
OPEN
FIG 3-1
FIG 3-3
2) Tray close waveform
OPENSW
8
CLOSESW
9
OPEN
10
CLOSE
11
8
9
10
11
2-15
FIG 3-2
10
18 28
8
9
14
15
3
24
16 26
10
11
18 28
17 22 27
8
9
10
11
11
17 22 27
33
30
34
35