LG HBLG6000R Service Manual - Page 22

Possible Trouble 5, Possible Trouble 6

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Possible Trouble 5 • Romote controller does not operate. Is the voltage of Battery NO about over 2.3V? YES Is the voltage No.16 NO of CN-DISP1 on Main P.W.B Ass'y DC 5V? YES Is the connection of NO CN-DISP1 all right? YES • Exchange Receiver Ass'y. • Exchange the battery. • Check the P.W.B pattern. • Connect connector to CN-DISP1 exactly. Possible Trouble 6 • It displays abnormally on Display P.W.B Ass'y. NO Is the IC01G all right? YES NO Is the connection of NO CN-DISP1 all right? YES Does the Q01G, Q02G, Q03G Q04G operate normally NO on main P.W.B Ass'y? YES • Exchange the display P.W.B Ass'y. • Exchange IC01G. • Connect connector to CN-DISP1 exactly. • Exchange Q01G, Q02G, Q03G, Q04G -22-

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22
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Is the voltage of Battery
about over 2.3V?
•
Exchange Receiver Ass'y.
Is the connection of
CN-DISP1 all right?
Is the voltage No.16
of CN-DISP1 on Main P.W.B
Ass'y DC 5V?
•
Exchange the battery.
•
Check the P.W.B pattern.
•
Connect connector to
CN-DISP1 exactly.
NO
NO
NO
YES
YES
YES
Possible Trouble 5
•
Romote controller does not operate.
NO
NO
NO
NO
YES
YES
YES
Is the IC01G all right?
Is the connection of
CN-DISP1 all right?
•
Exchange the display
P.W.B Ass'y.
•
Exchange IC01G.
•
Exchange Q01G,
Q02G, Q03G, Q04G
•
Connect connector
to CN-DISP1 exactly.
Does the Q01G,
Q02G, Q03G Q04G operate normally
on main P.W.B Ass'y?
Possible Trouble 6
•
It displays abnormally on Display P.W.B Ass'y.