Question about Televison & Video
We moved the tv upstairs plugged all the cords in had color picture but no sound...when we replugged everything in we had sound but now no color
SOURCE: No picture, only sound
If the menu will not even display then chances are good that it is the power board in the tv. If your up for it, unplug tv, remove the back cover and look for the circuit board with two largest wires in tv going to it. Also has transformers on the board. Then check out the capacitors (cylindrical components). Look at the tops, they have a three piece pie section to them, if they are raised or discolored, they are bad. So basicaly these give the screen a power boost to light up, if they are bad, the screen won't come on.
This is common with lower priced LCDs for some reason.
Google your model number and you may find a cheap fix. I picked up an insignia the other day for free with the same problem you are having. Goolgled model number, it listed this site where I read of this capacitor issue. Looked at the power board and bingo, same issue. Fix is to buy three capictors at Radio Shack for a buck each (alledgedly), and with some soldering your back in business. I'll give it a try.
Good luck with yours,
Posted on Apr 05, 2009
Unscrew the cable off the cable box on the out to TV end, then screw it back on. You may also try a different type of cable, like HDMI or component cable.
Posted on Dec 28, 2009
SOURCE: My samsung TV #ln32c350 has
This kind of symptoms indicated of malfunction inside the set as follows :
1. Loose/bad connection - The unit must take apart and check first for bad connection from the power supply board, LCD controller board, and the main board. This will do the same symptoms. Pull-out all of the connectors from the said boards, inspect, and then re-insert and ensure the connections.
2. Faulty Video processor - Video processor circuitry is in the main board. Once this circuitry gone bad, same symptoms will be encountered.
3. LCD controller board - this board process the image feed from the video processor and then feed to the LCD panel. Even the main board is good but this board was already faulty, the video can't be sent to the LCD panel.
4. Power supply - The said board's above has its own supply voltage from the power supply board, if one of the output voltage of the power supply gone bad, the board's in line with the supply will be disable and resulted to that symptoms.
Isolating the faulty parts is quite technical if your not handy with electronics. I would advice you to send it in or look for a qualified technician to troubleshoot the unit.
Prepare $200-$300 for service fee alone plus parts.
Since the unit is still under warranty period, avail it because the manufacturer will fix it for free. Opening the back cover will void the warranty.
Your problem now is the receipt, I would advice you to visit your local dealer where you bought the unit and have a good conversation with them. Tell them the real problem and let's hope for the best. Receipt is just only one proof of purchased of the unit, they have a record to their system for sure for that transaction(but depends on them if they will participate to search for that).
Hope I helped you.
Have a nice day!
Thanks for using Fixya.
Posted on Jun 02, 2011
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