LG HU80KA Service Manual page 12

1. Poor Connection
- Sub Board Ass'y
Sub Board Ass'y
Board connection point
No. Circuit Number
1 P408
2 P407
3 P405,P406
4 P806
5 P404
Pin count Connections
8 C/W
3 C/W index
10,6 Actulator
20 PSU
40 Speaker
- 12 -
3C 3C
1 2
Symptoms of a bad connection
Display turns off immediately after power on. or no
image (none functional of LD)
Display turns off immediately after power on. or no
image (none functional of LD)
The resolution is decrease
NO set power ON
No sound from the left/right speaker.
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