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Screen flashes several times before picture comes on. Sound OK.

Sanyo DP 42647 sound comes on. Screen flashes quickly, then slowly the picture comes in. What is the possible problem, and approximately how much to fix it?

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Sounds like your bulb may be flickering at start similar to a flourescent, do a search on google for bulb+your model, and you should see plenty of sites to compare prices.
Hope this helps, please give a good rating

Posted on May 12, 2009

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Sanyo model Dp 42023 comes on but picture flashes on and off sound is fine


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://electro-medical.blogspot.com/
To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement. To some models sets, the back-light inverter and SMPS section circuit will be integrated at its main board itself. If so; the main board should be replaced. To some models of sets, all these section circuit will be integrated at its main board. If this is the case, you have to replace the main board.

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This is an LCD tv . Toshiba 40xv648u .Audio is good screen is dark. was taking longer and longer to come on.


Since the picture died slowly i suspect a capacitor on the powersupply board,if the screen flashes then goes black and sound is ok
could be the inverter board that drives the lamps.

Len..

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Lines thru screen


sounds like the tcon is having issues. You can get replacement Tcon boards from www.tvrepairworld.com

Mar 21, 2013 | Sanyo 42 in. LCD TV

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Sanyo hdtv lcd flat screen--no picture and no sound


first just for trying--unplug set for a few minutes and plug it back to see if it resets.

If not someone will have to open set and check voltages on Power board to see if there or not.

There is another issue common if set 1-2 years old but that is the set at first has to be turned on several times to get it on--let me know if you had that one and I will still advise you.

Mar 19, 2012 | Sanyo Televison & Video

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Dear Support, This is about a 42'' Sanyo plasma HDTV model no: DP42746. It's my mom's, and at ''84'' it's her window to the world. So it needs to get fixed, please help! It was working fine, then all...


Hi Ed,

The only thing you can try is leaving the TV unplugged for an hour so the TV can discharge and reset itself.

If this doesn't work, then we're talking about maybe a power supply board problem for the screen itself. Most manufactures call it a Blacklight Inverter Board. I would use the warranty for the TV if there is any. The TV repair shop maybe expensive for this type of repair. So, get a price quote first. That way you can decide if is easier and cheaper to buy a new TV for her.

Aug 10, 2009 | Sanyo Televison & Video

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First unplug set and let set for several minutes the plug in and turn on. Could be in a serv mode.

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I have a Sanyo CLT1554 (2 1/2 years old). Has perfect sound but no picture. The picture will come after several times turning it off/on and pressing the Reset button. It is very anoing to do this evey time. PLEASE HELP

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well how did you understand that its IR problem.? if you feel like that get it repaired as your tv is in warranty.

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