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I have a sanyo DP50749 when turned on it has a clicking noise that appears to be coming from the power supply then cuts off and back on. The screen lights up grey but it continually cuts off and on.

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Have you fixed it? What was wrong with it? My TV just started doing that!

Posted on Jun 11, 2011

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My TV Sanyo plasma model dp50749 doesn't turn on just click


Fault to the main power supply regulator section. Either it will be a separate board, or the part of main board. Check and replace damaged component/s at its main power regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Pull up older posts.
http://electro-medical.blogspot.com/

It will be best to replace the power supply regulator board as card basis rather than making "Surgery" to it; which usually will make loss for both money and time. Even though you can make it right, it will cost around an amount equal to the cost of a new board; including the cost of (spare parts + service charge) More to say, most of the spare parts to it will be difficult to get from open electronic spare part market. This is true to most of the flat panel TV power supply boards; irrespective of its brand and screen size.

Apr 25, 2016 | Sanyo Televison & Video

1 Answer

On a plasma 50 inch tv Sanyo model number DP50749 it got black line coming down the front of the tv, what is the problem


If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/
Line, faults & possible causes to Plasma screen are given with illustrations. You can get an idea about the fault to an extent.

Dec 04, 2014 | Sanyo DP50749 50 in. Plasma TV

1 Answer

Yes I have a DP 50749 sanyo plasma tv 50 inch the green power led comes on for 20 seconds goes off. then it sounds like relay on the main power board starts a clicking noise Then it stops clicking...


This is likely a heat issue, and the CPU of the tuner is instructing the power board to switch it off for reasons related to over heating. Check that a fan ventilation improves the problem. The solution is not easy but maybe adding a fan to the tuner CPU can fix this issue.

May 07, 2014 | Sanyo DP50749 50 in. Plasma TV

1 Answer

I have Sanyo DP50749, I turned the televison on and it clicked on and than it went off. I tried it again and did the exact same thing, now it is not coming on! Any suggestions????


There are number of things that can be bad and what's more there are number of very different Sanyo DP50749 models which have rather different internals and different known issues.

What you need to find out first is the chassis of the TV, which is going to be on the back label, something like P50749-00 for example, and supply that too.

Here's a link with offer for parts and repairs we have for DP50749 - again, be advised that those may be for practically very different TVs internally and the first thing you need to do is find out what is yours! :

http://www.coppelltvrepair.com/search?Q=DP50749

Hope this helps!

Aug 23, 2013 | Sanyo 42 in. LCD TV

1 Answer

Sanyo dp50749 plasma hdtv picture problem


Change input device to some other like a DVD player and see. Check for loose contacts in power outlet, RC cable, jack and socket.

Aug 05, 2012 | Sanyo DP50749 50 in. Plasma TV

1 Answer

I have a sanyo dp5049 plasma picturegoes blank but I still have sound


no you wont hear a sound if your power supply is bad.try to go where you bought you tv because it may factory defect.hope it helps you

Jul 23, 2012 | Sanyo DP50749 50 in. Plasma TV

2 Answers

Power Issues with Sanyo DP50749


Main board is most likely but that is an educated guess--problem with all these is you can only check so many things and then have to guess and try a board.

Apr 22, 2012 | Sanyo DP50749 50 in. Plasma TV

1 Answer

My Sanyo HT28745 28" HDTV clicks but doesn't turn on


I have had a similar problem with my tv, it has something to do with the power supply.Try unplugging your tv from the AC outlet. While unplugged from the power supply hold down the - volume control and then plug the tv back in while holding down the - volume control. It should bring up the service screen. If the screen turns on and is blank then it may need to be brought in for repairs.

If the screen does turn on, either blank or with the service menu, turn off the tv and unplug it from the power supply again. With it still unplugged hold down the power button on the tv and then replug in the tv. continue to hold down the power button until the tv displays a video signal on screen.

Feb 02, 2008 | Sanyo HT28745 28" TV

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