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Checking Flow
I/O Connector(J501) is
well-soldered ?
Is the Voltage of TP1 & TP2
between 4.8V & 6.4V?
The voltage of TP3 &
TP4 is over 2.5V ?
Check the voltage of TP5
is High or Low ?
Battery is charged ?
Charging is properly operating .
Start
NO
YES
YES
YES
YES
YES
Re-solder the J501
pin12,13 : VCHARGE
NO
The TA is out of order .
Change the TA
NO
Replace the U503
NO
Check the U101(EGV) .
NO
The battery may have
problem . Change the Battery .
68
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