Power Ts - LG -D175F Service Manual

3.5 Power TS

The main power source of D175F is provided by 1 chip which is PM8110 Power ON sequence of D175F is
Battery voltage higher than 3.6V?
Press PWR Key R9710(TP1) high to low?
Check PM8110 Core Voltage level?
Check PM8110 AP Voltage level?
Check PM8110 IO Voltage level?
Check PM8110 RTC CLOCK
Check Battery connector (CN9100)
LGE Internal Use Only
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Yes
Yes
Yes
Yes
Yes
Yes
Yes
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3. TROUBLE SHOOTING
No
Change or charging the Battery
No
Check POWER_KEY S/W
No
L4111 (Check PM8110)
No
L4112 (Check PM8110)
No
L4114(Check PM8110)
No
R4107(Check PM8110)
No
Change PM8110 And Return to
Start
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