LG GB210 - Page 57

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4. TROUBLE SHOOTING
START
Is I/O Connector(CN300)
well-soldered ?
Voltage at anode of
TP1 = 4.6~6.4V ?
Is Voltage across TP2
LOW?
YES
YES
YES
Battery is charged?
YES
Charging is
properly operating
NO
NO
NO
NO
Resolder the CN300
(Pin 12,13 : VCHARGE)
The TA is out of work.
Change the TA
1) Download S/W again
2) Replace the U303
Replace the main board
CHECKING FLOW
Battery is charged?
NO
Change the battery
Charging is
properly operating
YES
□ CASE : TA charge