Question about Sanyo 42 in. LCD TV

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My 42" sanyo lcd has

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  • 476 Answers

Hello, a no picture with sound condition can be caused by several things inside your LCD TV. A power supply circuit with a missing voltage source could be one cause of the problem, an inverter circuit or HV circuit could be another. The best answer to your question is to have it checked out by a qualified tech. If you have a little knowledge of electronics you could try to repair it yourself, you can sign up for our great tech support where they can assist you on the steps to take to get it up and running.

Posted on Nov 06, 2010

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Posted on Jan 02, 2017

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Shuttle83
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SOURCE: Sound No Picture Sanyo LCD WIDE Screen HDTV

Hello heck75,

I wrote this for another post but it applies here also:
This sounds like your inverter or back-light has gone out. What you can do to test this is to turn the TV on and then turn off all of the lights until the room is dark. Then shine a flashlight at an angle on the screen and see if you can see a picture. If you can the back-light and or inverter has malfunctioned. If this is the case, then I would suggest that you have a qualified TV technician fix this problem, but first ask for a estimate because the inverters and back-lights are sometimes part of the screen and is it is you might as well buy a new TV.

If the inverter is a separate board, If you have a background in electronics you might be able to repair the board, however if you do not have a background in electronics, again I would suggest getting a qualified TV technician to work on your set.

I hope this helps,

Thank you,

Shuttle83
Electron-Age Technologies LLC
www.electron-age-technologies-llc.com

Posted on Nov 28, 2008

  • 8457 Answers

SOURCE: Sanyo lcd tv blinking

Power supply board is dead.Replaced the power supply board will solved this problems.Tries Shopjimmy.com,Ebay.com to buy a refurbish power supply board for the replacement.

Posted on Apr 02, 2010

  • 8457 Answers

SOURCE: Sanyo 42" LCD will not turn on!!!

Power supply board is dead.Buy a refurbish power supply board at Shopjimmy.com,Ebay.com for the replacement.

Posted on Mar 26, 2010

  • 135 Answers

SOURCE: screen went black on my 42" sanyo model dp42647 lcd

Hi there! The panel may be in protection mode. The Inverter board is the most logical area to start after checking power supply Voltages.(5,6,24 and 13Volts). There may be coils on the Inverter Board which have bad soldering or faulty. Other than this it may be main board which controls switch on or off. If all else fails, refer to a repairer. Beware of High Current!!! Best Wishes and Good Luck, Jus004

Posted on Aug 23, 2009

  • 142 Answers

SOURCE: The green light on my Sanyo 42 in. LCD is coming

Check to make sure input is correctly set.

Posted on Mar 15, 2010

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I have a sanyo dp42849. i turned it on this morning. the power light went on and i have no picture or sound


Sounds like a main board issue, but please have the set diagnosed properly. Be aware, some Sanyo main boards can be hard to find and costly !!!

Sep 05, 2012 | Sanyo 42 in. LCD TV

1 Answer

Sanyo 2008 flat screen 42 inch no picture have sound


If the problem is same with different input devices and you have ensured there are no loose contacts in power outlet, RC jack, cable and sockets, the TV needs servicing.

Aug 26, 2012 | Sanyo 42K40 42 inch Multi-System LCD TV

1 Answer

I have a Sanyo 42 inch Mode Number: DP42647. I bought it 2.5 years ago, and suddenly, the video is out. The sound is ok, as well as the "power" green LED. By looking at other forums, it seems...


I would just replace the TV, because any guess you make without the testing and equipment is just an expensive guess. New TV's are cheap by comparison. I have had a lot of TV'ds and the best do far is my Vizio 42 Inch LCD. 11 years old no issues.

May 20, 2017 | Sanyo 42 in. LCD TV

1 Answer

Steady vertical lines in picture Sanyo viZon DP26647 LCD HDTV


I have a Sanyo DP42746 model, 42". From my research I believe the lines in the picture are letting you know your Buffer Board is about to go out. Mine recently cut out, and it caused horizontal lines to appear. Hope this helps : /

Dec 17, 2010 | Sanyo DP26746 26 in. LCD Television

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

1 Answer

Sanyo 42" LCD will not turn on!!!


Power supply board is dead.Buy a refurbish power supply board at Shopjimmy.com,Ebay.com for the replacement.

Mar 26, 2010 | Sanyo 42 in. LCD TV

1 Answer

Sanyo dp42647 picture is black but has good sound worked great yesturday


sanyo lcd dp42647 turns on and has sound no picture black screen

Dec 27, 2009 | Sanyo 42 in. LCD TV

1 Answer

Sanyo 42" lcd tv


use a spike guard from next time

Oct 18, 2008 | Sanyo DP32746 32 in. LCD Television

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