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SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
7-14
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Reciever Working
Operate Reciever
NG
Change RCV
NO
YES
RCV Soldering Pad
in LCD Sub B'd
Signal ON?
Check UCD501
& Neighboring Circuits
NO
NO
2pin in U502
and 1pin in U504
= Low?
YES
1pin in U502
and 4pin in U504
Signal ON?
NO
Check LCD Sub B'd &
Slide FPCB
YES
37,39pin in UCD501
Signal ON?
Change U502
YES