Table of Contents
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Flow Chart of Troubleshooting
Reciever Working
Operate Reciever
NG
RCV Soldering Pad
YES
in LCD Sub B'd
Change RCV
Signal ON?
NO
1pin in U502
YES
Check LCD Sub B'd &
and 4pin in U504
Slide FPCB
Signal ON?
NO
2pin in U502
YES
YES
37,39pin in UCD501
Change U502
and 1pin in U504
Signal ON?
= Low?
NO
NO
Check UCD501
& Neighboring Circuits
7-14
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