LG LG-X230DS - Charger

LGE Internal Use Only
3. TROUBLE SHOOTING
3.8 charger
Image
Checking Flow
The charging controlled by BB chip MT6737M U101),PMU chip MT6328(U401),charge IC APL3225(U501).
Start
Check Vbus(T
P7) Voltage
Check
Battery and
charger
Re-solder or change
J902
USB function ok
Change battery
or charger
Check J501
Check U501
Check TP1~T
P6 signal
Re-solder or change
J501
Re-solder or change
U501
Re-solder or change
U401,U101
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
TP1
TP2
TP3
TP6
TP5
TP4
TP7
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rved. Only training and service purposes
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