Question about Sanyo DP42849 42 in. HDTV

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Sanyo DP42849 has no power lights illuminated

Wife calls me an tells me she hears a loud "Pop" and then a Shattering sound from the TV. No lights illuminated on the front (including the red Stand by light) is the TV dead or is there a solution to fix the problem

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  • Sanyo Master
  • 933 Answers

Sounds like a power supply failure, but you will need to get it diagnosed to be sure.

Posted on Nov 01, 2012

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Posted on Jan 02, 2017

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  • 2 Answers

SOURCE: power light comes on, but no sound or picture

I had the same problem and my tv was out of warranty. I took it to a local repair shop and they told me didn't work on that brand. They said they charge $300 minimum for labor, plus parts. So probably at least $500 to fix. Since I figured we had nothing to lose my buddy and I took it to our shop at work and decided to take it apart and look for any obvious problems such as blown fuses, burned components, etc. All of the printed circuit boards are connected to what appears to be similar to a motherboard via data1.gif ribbons. We disconnected the data ribbon of each PCB to the microprocessor PCB and turned on the TV. Each time it turned back off after about 3 seconds. When we disconnected the Y-Main PCB the TV stayed on and I got the sound back, but no picture. We then disconnected the buffer PCB's from the Y-Main to ensure they were not the problem. Finally, we pulled the fuse on the Y-Main PCB and reconnected the data ribbon and the TV and sound stayed on again. I found a site that sells the Y-Main for $179 and I am deciding whether to try it or not. Any suggestions or comments would be helpful.

Posted on Jan 25, 2008

fosg2000
  • 229 Answers

SOURCE: my sanyo dp42849 turns off and then back on all on

this is a typical bad capacitors on the power supply board.
try to check it if you know what are you doing if not get the new power here and replace it>
http://www.shopjimmy.com/catalog/product/view/id/180660/s/sanyo-1av4u20c10000-power-supply/

Posted on Mar 11, 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

  • 8457 Answers

SOURCE: hello my Sanyo dp42849 42 inch has no picture and

The power supply board is dying.That the board,where the power a/c cord plug into it.That the power supply board.Tries websites like Shopjimmy.com,Ebay.com to buy a whole refurbish power supply board for the replacement.

Posted on Jul 16, 2010

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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

I realized my Sanyo tv post may have been confusing.


There always is the possibility that the replacement power board is defective.

Aug 26, 2017 | Sanyo DP42849 42 in. HDTV

2 Answers

No picture ,but i hear the sound


Dim the lights, turn on the TV and shine a bright light on the screen. If you see a faint picture, you most likely have a failed back light circuit. On your particular set, I belive the back light and the power supply are on the same board. I'm almost certain that board needs to be replaced but have the board checked before replacing.

Dec 16, 2012 | 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

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

2 Answers

Sanyo DP42849 42 in. HDTV TV


Hello
What is the problem with your Sanyo TV? Please clarify more about the trouble you faces with it.

Nov 28, 2011 | Sanyo DP42849 42 in. HDTV

1 Answer

My Sanyo dp42849 will freeze up, turn off, turn on or freeze then makes a loud annoying sound. What can I replace to help this. This tv is 2 years old, never been abused, but hung on a wall for a while.


Sorry,big problems the main tv Tuner signal board have problems and it is dying.That the board,where the tv incommig broadcasting signal cable plug into it and all those external electronic devices plug into it.Tries websites like Shopjimmy.com,Ebay.com to buy a refurbish tv Tuner signal board for the replacement.

Jul 06, 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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