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The power shuts off and will not stay on

Its a Sanyo model# DP46840

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5 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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electrotech1
  • 1126 Answers

SOURCE: sanyo dp46840 lcd tv,, Tv power

Your main TV processor is locked up, unplug from wall for 40Min, and it will rest back to normal.
If that don't work, then you have power supply problems.

Posted on Mar 25, 2011

Testimonial: "ty"

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SOURCE: my sanyo tv dp46840 keeps shuting off every time i turn it on

The power supply is failing or failed

Posted on Oct 04, 2012

gopakumarg43
  • 74185 Answers

SOURCE: Power won't come on. Model #DP46840

It's a Sanyo brand I presume. Anyway its main power supply regulator board should be checked. Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to service or repair the product by anyone else could result in serious injury or death. If you are not familiar with electronics, do not attempt to repair. Whether you suffer fatal electrical shock. Instead, contact the nearest service centre.

Posted on Jul 14, 2013

peangan2
  • 28 Answers

SOURCE: I have a Sanyo TV model dp46840 when it first turns on I have no pic but if I keep twisting the tv then I can get pic but right side stays darker then left side?

Keep it tied twisted.

Posted on Feb 19, 2015

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1 Answer

Sanyo DP46840 green light comes on for a few seconds then shuts off


Main board fault.
Shorted component/s at it. Contact any service technician; or the authorized service center. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. http://electronicshelponline.blogspot.com/

Aug 01, 2014 | Televison & Video

1 Answer

Why does my sanyo dp46840 shutoff after 15 minutes and then come back on


That is definitely not a common behavior.

Shutting off and not coming on by itself would be somewhat acceptable, but shutting off and then coming back on is really weird.

If I had to choose I'd go for a bad main board, but in reality it may be the power supply too.

it's just that we've serviced hundreds of main boards and very few, if any, power supplies for DP46840.

I think the best I can offer you is send the main board and let us run it for 20 minutes to see if it'll do the same at our end.

You can see what the price is if we confirm a problem and are able to fix it - the cost is fixed and is at our site.

if we confirm the problem and can't fix it - happens every now and then - then you pay no service fees whatsoever.

And if we can't confirm the problem you'd pay $20 diagnostic fees for us testing the board.

in all cases you pay the return shipping cost unless you send us prepaid return shipping label , which is the same, but some prefer doing it that way.

I understand this does not help a whole lot as it doesn't let you figure out right away if it's your main or power supply that is bad, but the next better would be manually jumping the power supply to activate the backlight and letting it stay that way (main board off - just bypassed) and even if it stays on for 30 minutes it still wouldn't be certain if it's because the PSU is good or if it's because it's not loaded enough.

Trying one of your two boards on a good set OR trying a knowingly good board on your set is the most efficient way of finding out the guilty board.

Jan 12, 2014 | Sanyo 46" Class LCD 1080p 60Hz HDTV,...

1 Answer

Power won't come on. Model #DP46840


It's a Sanyo brand I presume. Anyway its main power supply regulator board should be checked. Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to service or repair the product by anyone else could result in serious injury or death. If you are not familiar with electronics, do not attempt to repair. Whether you suffer fatal electrical shock. Instead, contact the nearest service centre.

Jul 14, 2013 | Televison & Video

1 Answer

Sanyo DP46840 won't stay on. Turns off after 2-3 seconds


Look up the chassis version of your Sanyo (it's on the label on the back where the model is) and check in the list below to see if there is a repair service offerred for it:

http://www.coppelltvrepair.com/search?Q=DP46840+&As=false&Pf=&Pt=&Sid=false&btnsearch=Search

Hope this helps!

P.S. There's no quick and easy solution that I can offer based on the information you give and what I know about those boards. This is why I am at least sending you somewhere where you can read what is being treated and under what conditions.

Mar 31, 2013 | Sanyo 42 in. LCD TV

1 Answer

Does my dp46840 need the shroud over power supply?


Not likely. The shroud is used for keeping out interferences. Not your case tho...

Jun 11, 2012 | Sanyo 46" Class LCD 1080p 60Hz HDTV,...

1 Answer

I NEED THE TV SANYO CODE


I need yu repair my tv sanyo model DP46840 my phone 949 454 0130

Feb 03, 2011 | Sanyo Televison & Video

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