LG KE800 Service Manual page 40

4. Trouble Shooting
START
Check Speaker
Contact is clear.
reconnect speaker wires
No
Speak is contacted
with correct polarity
in socket
Yes
Resolder R219 , R220
No
Check if signals from
or Replace them,
R226, R227
then test again
are correct
Yes
No
Resolder or
U209 is working properly?
Replace it
Yes
Replace Main PCB
Assemble
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