LG KG800 - Page 82

4. TROUBLESHOOTING
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START
Yes
Check Soldering of speaker
Yes
Check
U300 works properly
Re-solder Speaker
No
No
Yes
L201,L202,C201,C202
at Slide PCB are Well-
soldered?
Re-solder L201,L202,C201,C202
No
Re-solder U300
Speaker working!
Yes
Speaker
Works properly?
No
Change main board
Checking Flow