Question about Sanyo DP32746 32 in. LCD Television

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I have a Sanyo DP42849 tv and when you turn it on the picture will come on for a second and then the screen goes black. The sound is still working though. I had a guy out here to look at it and replaced the main board but still is doing the same thing. Had another guy say it was probably the power supply. Someone please help me sort this out cause I can't keep throwing money at these people if I need to end up buying a new tv.

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Most likely your inverter board is bad.

Posted on Nov 14, 2010

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Dec 16, 2015 | LG 55LE5400 TV

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I have a Sanyo DP42849 tv and the picture is real blurry almost seems like the picture is in slow motion but the sound is fine. When I shut the tv off it has a good picture for about 30 seconds then it's...


Try resetting, Not sure if this works for your model
Power off the TV, hold down the reset button on the remote and power up the tv with power button on tv while keeping reset depressed.
(Is there a restore factory setting or reset buried in the on screen menu? I couldn't find it in the manual, can you let us know if there is?)
here is the manual in case you don't have it
http://us.sanyo.com/dynamic/product/Downloads/DP42-46849-52449%20(331--)-15947801.pdf

May 15, 2014 | Televison & Video

1 Answer

Sanyo DP42849 42 inch


Find your TV model in the list, compare with the symptoms you have and if there is a match send the board for repair:
http://www.coppelltvrepair.com/search?q=DP42849

Apr 18, 2013 | Sanyo DP42849 42 in. HDTV

1 Answer

Sanyo DP42849 no picture but has sound


Sounds like an inverter problem. On some of these sets, the inverter and the power supply are on the same board. These boards tend to be quite pricey, $100 + range. I've worked on your particular model with the same problem, and it was a bad inverter/power supply board. I would recommend you get a diagnosis to be sure.

Oct 28, 2012 | Sanyo DP42849 42 in. HDTV

1 Answer

My sanyo vison hdtv lost picture maybe a year ago then after sitting all this time i plugged it in and it worked like new then thismorning it lost picture again... screen is black with a little tint of...


This is most likely going to be a color wheel. I would recommend checking on the color wheel first. If this is a dlp tv it could also be a lamp that went out.

Jul 23, 2012 | Sanyo DP42849 42 in. HDTV

1 Answer

When tv turned on will get apicture for only a few seconds then screen goes black, but wil continue to have audio. Cannot pull up menu on tv either


Hello.The screen goes black means that the backlights of your LCD is not working.Maybe the problem is the power supply or the driver board of the backlights.They shutdown because there have a shorted parts on the circuit or power supply. Did you try to reset the power and turned on and get a picture or every time that you reset the power it will get a picture and the picture goes black?

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Sanyo DP42848 Screen turns on for a couple of seconds then turns black... Audio works fine. Help!! might be the inverter,I have the back off the tv off but can't see the inverter can you tell me where it...


Take a picture of the back of the tv panel removed and I'll direct you to the inverter - first though grab a flashlight and shin on the screen and if you can see a dark image of whatever you are watching - yes you more than likely need an inverter board. it should be a board that is probably covered with a metal shield that is just about the length of tv from top to bottom. has multiple plugs in it on the side of the tv that is closet to the outer edge of the tv....you can get one off the net...

thanks,
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Feb 05, 2011 | Sanyo DP42849 42 in. HDTV

1 Answer

Sanyo dp42849 tv blinks on then off has sound.was working fine?


If sound stays on and doesn't goes off then you need the video logic main board, if the audio goes out, it maybe the power supply

Dec 07, 2010 | Sanyo DP42849 42 in. HDTV

4 Answers

Hello my Sanyo dp42849 42 inch has no picture and no sound. when i turn on the tv a green light in the bottom right hand corner comes on and occasionally flashes off and then back on.


First, you need to know the sub-model of your TV.

It is called "chassis" and is shown on the back of the TV on the label where the model number is shown.

For example it can be "P42849-00" or "P42849-01".

Then search at www.coppelltvrepair.com/search or just go to www.coppelltvrepair.com and enter the link for SANYO DP SERIES to search for that.

Here's an example of a repair service (note it may NOT be the one for your exact model though!):

http://www.coppelltvrepair.com/p/41/sanyo-dp42849-p42849-00-does-not-power-on-repair-service

Hope this helps!

Jul 16, 2010 | Sanyo 42 in. LCD TV

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