LG P7200 - Page 83

4. TROUBLE SHOOTING
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START
Yes
Check the state of
contact of dual speaker
Yes
Check
U201 works properly
Reassemble speaker
No
No
Yes
L200,L202,L204,L206 are
Well-soldered?
Re-solder L200,L202,L204,L206
No
Re-solder U201
Speaker working!
Yes
Speaker
Works properly?
No
Change main board
Checking Flow