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How do I get the picture back? When TV turned on,picture stays black, everything else seems to work;volume,channels,etc. Just can't see picture.

Tried unplugging for awhile; then re-plugging; No luck

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Back - light problem. Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis.
http://electronicshelponline.blogspot.com/
In some models of LCD TVS; the backlight inverter and its T'Con board will be a part of the panel itself, and will be a built-in type inside the LCD panel. If so, they can't be replaced. In this case; a panel replacement is the only repair. For some other models, the backlight inverter section circuit will be a part of the main power supply regulator [SMPS]. To such sets, the power supply section circuit too should trouble shoot. Contact any service technician. The circuit will differ with models and versions.

Posted on Apr 17, 2015

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I just had this problem with my 3 year old 32" Samsung LCD. The volume would go up and down by itself, normally just constantly going up even when it reached 100%.

I thought it might have something to do with the volume buttons on the TV itself so seeing as it was out of warranty anyway I decided to unplug it and open it up.

I gave it a good clean and I disconnected the cable for the panel of buttons on the LCD itself (volume, menu, channel etc) seeing as I never use them anyway. I then put everything else back together and tested.

It seems to be working fine now. Previously (for the past 3 hours) ever time I turned it on the volume level would come on instantly and stay on until I turned the TV off. So I’m quietly confident the problem has been fixed. But I must admit it’s only been 10 minutes, so who knows, it might come back.

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It seems that Your TV set may have a problem with its power supply circuit, the problem is intermitent bring it to the repair shop.

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try turning the channel up or down with the tv remote to input 1 or 2 depending on which one is being used for the dvd player. tv should use input 1. dvd should be on input 2.
when turning the channel set it to show the dvd screen, then go up 1. if it doesn't show, return and go down 1.

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Time TV


By saying that volume and picture controls work, do you mean you can access the TV's onscreen menu? If so, you may need to re-scan for available channels if you are using the TV's internal tuner. If the memory of those channels has been lost, the TV does not know where to "look" for a signal. You may also need to perform a power drain:

1. Unplug the product's power cable so that the device is not grounded to the house. Do not simply turn off the power-bar if one is in use.
2. Press and hold in the products power button for 1 minute to release the retained electricity from the capacitors and circuit board.
3. Plug the product back into the wall outlet rather than a power-bar to rule it out of contributing to the problem and turn the device back on. After this step, try the channel scan again if it didn't resolve the issue the first time.

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My Sony FD Trinitron TV did samething, started flashing, then eventually went completely black with volume. I got on internet searched found a solution, i tried it, it worked. unplug tv, remove all screws, remove back. towards bottom right theres a transmitter with a couple of knobs, we plugged tv in and moved knobs around and it worked. Also was extremally dusty, we used computer duster for a better connection. hope it helps you

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Just fixed ours with the same problem. You need to hit the volume buttons on the remote during the time the screen goes black but BEFORE it gives you the "Connect cables" message.It should trick the TV into giving you a blank channel.

Sanyo TVs are made notoriously cheap, and have little glitches like this. Best of luck, space cowboy.

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I had the same problem once with my RCA television. It only happened on certain channels and didn't happen during commercial breaks. If I adjusted the volume on the tv the box went away, but came back shortly after. The problem ended up being some malfunction in the closed captioning. I turned it all off and changed the CC settings and never had the problem again.

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