4. TROUBLE SHOOTING
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CHECKING FLOW
START
Is I/O Connector(CN201)
well-soldered ?
Check the voltage at
TP1= 5.6V ?
Is the voltage
at TP2 = 4.9V ?
YES
Battery is charged?
YES
Charging is
properly operating
NO
NO
Re-solder the CN202
(Pin 1 : VCHARGE)
The TA is out of order
Change the TA
Replace U205
Replace U102
Battery can be charged?
NO
Change the battery
YES
NO
YES
YES
YES
NO