TCL PIXI 5-10 4G VF - Charging Failure

L2E Repair Document TCL Communication Ltd.
Rev.
VF1300 Level 2E Repair Document
Page
1.0
36/39
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7.2.4 Charging failure
Charger Voltage output is
normal?
Y
N
Can charge after replace a
good battery?
Y Replace battery
Can charge after replace
charger?
N
Can charge after replace
USB cable?
Reweld or replace
U0501 PMU
N
PMU U0501 is normal?
Replace PCBA
Y
Y
N
Power inductor L0602 or
L0802 is good?
Reweld or replace
L0602 or L0802
Y
Y
Battery voltage at Vbat is
normal?
N
Reweld or replace
battery connector
N
Can charge after reweld or
replace micro USB connector?
N
N
TVS diode D1140 is
good?
Reweld or replace
D1140
Y