LG L6004R Service Manual - Page 15
Possible Trouble 6, Possible Trouble 7
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Possible Trouble 6 Remote controller does not operate. Is the voltage of Battery NO about over 2.3V? YES Is the voltage No.10 NO of CN-DISP2 on Main PCB Ass'y DC 5V? YES Is the connection of NO CN-DISP2 all right? YES • Exchange Receiver Ass'y. Troubleshooting Guide • Exchange the battery. ••CChheecckkththeePPCCBBppaattteterrnn.. • Connect connector to CN-DISP2 exactly. Possible Trouble 7 It displays abnormally on display PCB Ass'y. NO Is the IC01G all right? YES Is the connection of NO CN-DISP2 all right? YES Does the Q12G, NO Q13G, Q14G operate normally on main PCB Ass'y? YES • Exchange the display PCB Ass'y. • Exchange IC01G. • Connect connector to CN-DISP2 exactly. • Exchange Q12G, Q13G, Q14G. Service Manual 15
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Service Manual
15
Troubleshooting Guide
Possible Trouble 6
Remote controller does not operate.
Possible Trouble 7
It displays abnormally on display PCB Ass
’
y.
NO
NO
NO
YES
YES
YES
Is the IC01G all right?
Is the connection of
CN-DISP2 all right?
•
Exchange the display
PCB Ass'y.
•
Exchange IC01G.
•
Exchange Q12G,
Q13G, Q14G.
•
Connect connector
to CN-DISP2 exactly.
Does the Q12G,
Q13G, Q14G operate normally
on main PCB Ass'y?
Is the voltage of Battery
about over 2.3V?
•
Exchange Receiver Ass'y.
Is the connection of
CN-DISP2 all right?
Is the voltage No.10
of CN-DISP2 on Main PCB
Ass'y DC 5V?
•
Exchange the battery.
•
Check the PCB pattern.
•
Connect connector to
CN-DISP2 exactly.
NO
NO
NO
YES
YES
YES