I have a kenmark KM20020 HD TV monitor When I turn the TV on the screen flashes on for only a second then all turns black. There is sound but no picture. Disconnested everything and reconnected and nothing works
-   I have the same problem. only audio and no picture. When you turn the TV on the picture comes up for a quick 3 seconds and then it turns off. Bought it at BJ's about 4 years ago and thought it would last a lot more than that. I will never buy a no name TV ever again. Took it to a TV repair guy who is a good friend of mine and said he could not find a part for it and if he did it would cost more than the TV so it is not worth to fix. -   Guest
May 11, 2009
-   Picture Flashes on for a second then goes blank but still have sound-   aarkyy
My Kenmark Tv Switches its picture off if the PSU voltage drops. Audio is OK but picture does not return as PSU voltage goes back up. PSU's are about £10 online !2Volt 4A Might be worth a punt
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