LG W081CA SG2 Service Manual page 26

Possible Trouble 6
Is the voltage of Battery
about over 2.3V?
YES
Is the voltage No.10
of CN-DISP2 on Main PCB
Ass'y DC 5V?
YES
Is the connection of
CN-DISP2 all right?
YES
• Exchange Receiver Ass'y.
Possible Trouble 7
Is the IC01G all right?
YES
Is the connection of
CN-DISP2 all right?
YES
Does the Q12G,
Q13G, Q14G operate normally
on main PCB Ass'y?
YES
• Exchange the display
PCB Ass'y.
Remote controller does not operate.
NO
NO
NO
It displays abnormally on display PCB Ass'y.
NO
NO
NO
NO
—26—
• Exchange the battery.
• Check the PCB pattern.
• Check the PCB pattern.
• Connect connector to
CN-DISP2 exactly.
• Exchange IC01G.
• Connect connector
to CN-DISP2 exactly.
• Exchange Q12G,
Q13G, Q14G.