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3. TROUBLE SHOOTING
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Only for training and service purposes
LGE Internal Use Only
3.5 Power
The main power source of D385 is provided by 1 chip which is PM8110
START
END
Check Battery connector (CN70001)
Press PWR Key
TP1: R12000 high to low?
Battery voltage higher than 3.6V?
Check PM8110 Core Voltage level?
Check PM8110 AP Voltage level?
Check PM8110 +VPWR Voltage level?
Check PM8110 RTC CLOCK
Check POWER_KEY FPCB
L4111 (Check PM8110)
L4112 (Check PM8110)
L4110(Check PM8110)
R4109(Check PM8110)
Change PM8110 And Return to
Start
Change or charging the Battery
No
No
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes