LG KE800 Service Manual page 51

4. Trouble Shooting
Checking Flow
Check a condition of Balun filter
output(FL602) power by using Spectrum
Check a condition of power supply
(C611-2.65V, C612-1.5V, C613-1.8V, C626-1.8V
Check a condition of Clock
analyzer
More than 0dBm
No
C601-2.72V, C602-2.8V)
condition is
good?
Yes
(TP608-32k, C540-26M)
condition is
good?
Yes
Check a condition of
U202 soldering
condition is
good?
Yes
Replace Main PCB Board
Finish
Yes
Check a condition of
Bluetooth antenna
Bluetooth
No
Working is good?
No
Replace U601
No
Replace Main PCB Board
No
Replace U601
No
Bluetooth
Working is good?
Yes
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Yes
Yes