LG KE820 - Page 78

5. Trouble shooting
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START
"PWRON"
signal
"_RESET"
signal
Check the all
LDO's output
Is the 26MHz
clock From
Replace main PCB
Check the
RPWRON,
replace U204
Check solder
U206 or replace it
Check solder
U203 or replace it
Check solder
X401, U402
or replace it
Yes
Yes
Yes
Yes
Yes
No
No
No
No
Connect power
supply to the
DUT