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No communication with PC
Possible cause Recommend action
Poor contact of serial connector Check and repair the connector
Open circuit (damage) of serial connector Check and replace the connector
Wrong set up of parameter Reset the parameter
No ActiveSync installed in PC Install the ActiveSync
Faulty internal PCB Replace main PCB assy
Short battery life (current consumption too high)
Possible cause Recommend action
Faulty or end of life main battery Replace new main battery
Short circuit of connector pins Check and resolder
Short circuit of internal PCB Check and replace main PCB assy
CF/SD/MM card cannot read
Possible cause Recommend action
Not designated (improper) card Swap to recommended (proper) card
Broken (or bend) pins of card slot Replace card slot or card/main PCB
Faulty internal PCB Replace main PCB assy
Too slow response of input
Possible cause Recommend action
Low available of memory capacity Reset the unit
Poor contact of touch panel and keys Check the switch and connection
No communication by IrDA
Possible cause Recommend action
Other IrDA is improper type Check the IrDA with other unit
Faulty main PCB Replace the main PCB
Data error/memory corruption message
Possible cause Recommend action
Internal data malfunction (corruption) Reset (or full reset) the unit
Weak of main and sub battery Check voltage of main and sub battery
Improper pocket TV application software Check the matching of application software
Faulty internal PCB Replace RAM PCB
Poor soldering of RAM Resolder RAM
Poor contact of connector Check the connection and reconnect
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