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My sanyo dp42840 just cut off, when i try and turn back on the little green light will come on for about 5 seconds then it cuts back off. Whats wrong with it? its only 2 years old.

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: sanyo vizon,2 years old

HEY EVERYBODY, I HAVE THE SAME PROBLEM FLAT SCREEN IS LESS THAN A YEAR OLD. I CALLED SANYO AND THEY TOLD ME THAT THERE IS SAFTERY SWITHC IN THE TV THAT PREVENTS IT FROM DAMAGING ANY PARTS AND IT MUST OF BEEN TRIGGERED BY A STORM AOR SOMETHING THEY ARE CONTACTING A SERVICE STORE IN MY AREA AND SENDING THEM A SERVICE TICKET NO CHARGE TO ME

Posted on Jun 28, 2008

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SOURCE: Tv cuts off and green light flashes

If your set was manufactured around July 2005, you may need a firmware upgrade to solve this issue. On the Sony website you can enter your model # and serial # to see if you TV is affected. If so, it is easy to have done and may be free from Sony. It sounds like the issue they described in the writeup on the required formware update. I had mine done within few months of when i bought it (purchased in Dec 2005) and it has been working flawlessly since.

Good luck!

Donnieboy999

Posted on Oct 21, 2008

alpug
  • 1961 Answers

SOURCE: Sanyo TV LCD 32 inch about 3 years old. No

the power supply of your tv is bad try to check the fuses if fuse are open try to replace them with the same value..try to power it on but if the fuse blows again replace the power supply board...
good luck plse rate my help.

Posted on Jun 04, 2010

  • 132 Answers

SOURCE: My sanyo dp42840 flat screen

The first thing I would check would be the electrolytic capacitors on the power supply board. If any of them are swollen or domed on top rather than flat, they will need to be replaced and that will fix your problem. I fix about 75% of them at the shop by replacing caps on power supply. A tech will probably charge around $100 if it is bad caps. It is a fairly easy job.

Posted on Jul 31, 2010

  • 668 Answers

SOURCE: My television turns on for about 2 minutes and

The lamp probably is bad and needs replacing. The part number is XL2400. I would replace it with a genuine Sony lamp.
I hope this helps,
Skyassoc

Posted on Dec 14, 2010

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What else should I check on my Sanyo DP42840?


This could be the tuner overheating and sending a signal from the tuner board CPU to the power board to instruct the tuner to turn off. Check that there is adequate ventilation in the TV. Try testing with a fan to see if that changes the behaviour of the loop that you get.

Aug 31, 2014 | Sanyo Televison & Video

1 Answer

Sanyo DP42840 with power on issue. I press power button and Green power LED lights for 10 seconds as it goes through its normal start up / warm up procedure. Instead of powering on, the TV powers off...


Fault at its main digital board. Short circuited 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. Pull up older posts.
http://electronicshelponline.blogspot.com/
In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary.

May 19, 2017 | Televison & Video

1 Answer

The screen is blank


hi sorry to say but the bulb is gone or check the wires at the back of the screen,,

May 18, 2013 | Sanyo Dp42840a

2 Answers

My sanyo dp42840 flat screen turns off by itself after 5 minutes...what do I do?


The first thing I would check would be the electrolytic capacitors on the power supply board. If any of them are swollen or domed on top rather than flat, they will need to be replaced and that will fix your problem. I fix about 75% of them at the shop by replacing caps on power supply. A tech will probably charge around $100 if it is bad caps. It is a fairly easy job.

Jul 31, 2010 | Sanyo DP42848 LCD TV

1 Answer

DGM screen monitor problem ''22


the light blinking makes me think that the moniter is going in to sleep mode...try turning the computer on while the moniter is not pluged in(pull the blue vga cable) wait a bit then move the mouse around then plug the vga coble back in...(while the screen is already on)

Jul 09, 2010 | Computers & Internet

4 Answers

When I turn my Sanyo DP37647 TV on the green light comes on but there is no picture or sound.


When there is neither picture nor sound you're likely in need of a service or replacement of the main board.

Service is usually the way to go as replacement is unable to find or too darn expensive, at least in the past year or so.

The typical indication of this problm is that the front light doesn't just stay green, but actually blinks for a second every 15-20 seconds.

If it does that you're definitely in for service.

See more at
http://blog.coppelltvrepair.com/2012/07/sanyo-dp47460-dp42840-dp46819-and.html


The DP37647 model isn't listed there as we're planning to post about it in a separate article...however it has the same symptoms as some of the others.

If you want to send the board in for repair , shipping instructions can be found at http://www.coppelltvrepair.com .

It really isn't a simple DIY service like a fuse or capacitor replacement.

May 26, 2009 | Sanyo DP37647 37 in. LCD TV

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