Table of Contents
Advertisement
Checking Flow
I/O Connector(J503) 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
YES
YES
YES
YES
YES
NO
Re-solder the J503 :
VCHARGE
NO
The TA is out of order .
Change the TA
NO
Replace the U306
NO
Check the U200(MTK6223D) .
NO
The battery may have
problem . Change the Battery .
74
Advertisement
Table of Contents
