4. TROUBLE SHOOTING
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Only for training and service purposes
LGE Internal Use Only
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Check Battery connector (CN1602)
Press PWR Key
TP1: R578 high to low?
Battery voltage
higher than 3.6V?
Check MT6329 Core Voltage level?
Check MT6329 AP Voltage level?
Check MT6329 IO Voltage level?
Check MT6329 RTC CLOCK
Check POWER_KEY FPCB
Change or charging the Battery
L300 (Check MT6329)
L301(Check R334)
L302(Check PM8058)
R334(Check MSM8660)
Change MT6329
And Return to Start
No
No
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes