Samsung PN64F5500AF Service Manual page 23

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Che ck the LED ope ra tion of Logic Boa rd
whitch is norma lly ope ra ting?
(Norma l : Blink once a s e cond)
Ye s
Che ck the FFC Ca ble
Is it conne cte d corre ctly?
Ye s
Che ck All output volta ge s on S MP S .
Are a ll volta ge ne rma l?
Ye s
Re pla ce the Ma in Boa rd.
Module FFC Cable
<64" PDP>
Check the LED
Operation.
No
Che ck / Re pla ce the X/Y Ma in or
No
Che ck / Re pla ce the FFC Ca ble .
No
4. Troubleshooting
Logic Boa rd.
Re pla ce the S MP S .
4-5