3. TROUBLE SHOOTING
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Only for training and service purposes
LGE Internal Use Only
START
END
Check Battery connector (CN9501)
Press PWR Key
TP1: R9531 high to low?
Battery voltage
higher than 3.6V?
Check MT6323 Proc Voltage level?
Check MT6323 PAM Voltage level?
Check MT6323 RTC CLOCK
Check POWER_KEY S/W
Change or charging the Battery
L4130 (Check MT6323)
L4131(Check SKY77758)
R4130
Change MT6323 And Return to Start
No
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes