Hi I have the same problem with Samsung LN-S4692D, which phone number did u call?
I have the same problem with Samsung LN-S4692D. It just happened today. I don't know what to do. Anyone know the solution? We bought this model last May, so it has been 15months. Today, I watching a movie and it suddenly went black and I have only sounds
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Please check in dark room condition if you can see the light come up in the background of the tv LCD. If you can see light it would be a T-Con board or main board problem. I think those tv had some issues with the T-con board. Search results for ln s4692d
Nothing else. Thee boards he replaced are the correct boards to fix this problem. You are going to have to get them replaced again. You can call samsung to see what is up, but when it gets down to it, you are going to have to get those boards replaced again.
Your inverter circuits and/or power board need servicing.....
Either three fault scenarios are happening:
1. the inverter circuits are not producing AC ripple too the CCFL lamps that illuminate the LCD glass panel.
2. the power supply board is not feeding 24vdc - 12vdc sustain voltage too the inverter circuits. Meaning, no dc high voltage output from the power board.
3. The timing control circuit (LCD Board) has shorted switching devices or on-board memory has failed....which causes data/dc loss at the input which results in the inverters canceling load power (lamps). The sync data between inverter and LCD Board are absent. This will result in a 'NO LIGHT' condition on the LCD display.
Number 3 is a rare case, its usually #1 the inverters need servicing.....
The first person I talked to was not helpful at all. You need to ask to speak to someone in executive customer service. Tell them that you have researched it on the internet and it several people have had the same issue with that TV. Because I had my receipt, they agreed to extend my warranty and have someone come out and fix it. The warranty is only extended three months beyond the repair. It took about 4 weeks to get it fixed because we are in a rural area of Tennessee.
They did fix it, but from what I have read online, I expect it will happen again in another 18 months. They will not fix again - they already told me that. I will NEVER buy another Samsung product again.
If you look back through the postings on the fixya site, you will see where someone has posted the phone number to call, but if you just call Samsung and ask to speak to someone in executive customer service, that should work.
I wish you the best - I know how frustrating it is!!