Huawei G510 Maintenance Manual page 43

Figure 9-9 Troubleshooting process when the G510 fails to be charged
Circuit Symbols
Signal
Symbol
VEXT_DC
2013-01-28
G510 Maintenance Manual V1.0
The U8825-1 fails to be charged
after connecting to a charger.
Does the charger
operate properly?
Y
Is the USB
connector J103
dry jointed?
Can voltage be
detected at the
C231?
Y
Does pin 3 of
Q201 output
voltage?
Y
Is the battery
connector J902
damaged?
N
Is the battery
damaged?
N
End
Description
Charger input
Huawei Confidential
N
Replace the
charger.
Y
Re-weld
the J103.
N
Check the fuse F101
and the bead LB101.
N
Replace Q201.
Y
Replace J902.
Y
Replace the
battery.
Reference Measurement
or Waveform
None
INTERNAL
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