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Samsung LN40A550P3FX2A will not power up with picture.

Boot sequence continues but the picture is pixelated and the noise is deafening. Stopped noise in the settings. Picture will come up after about 15 minutes of boot sequence. Picture is great once on.

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  • Televison & ... Master
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Take a hair dryer with back off and heat specific areas unit you find the location that is causing this, either main board or power supply are possible.

Posted on Dec 22, 2012

6 Suggested Answers

6ya6ya
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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: samsung dlp

HLS4266W 43" dlp. In less than 1 yr whining grew worse, but did know what it was. Year passed with warranty and lamp went out. Replaced lamp. Worked for 3.5 hrs. Turned on next day and did not work. Got another lamp, but did not work. Figured out might be color wheel. Replaced it too. TV started up. Watched that night. Turned on next day, heard loud pop. Lamp never came on. Withdrew and reinstalled lamp a couple times to see if that worked. Did not. Currently, with new lamp and color wheel installed, lamp light blinks, but no lamp comes on. What now?

Posted on Dec 24, 2007

Slinteriors
  • 8617 Answers

SOURCE: RCA DLP SCENIUM HD50LPW166 NO PICTURE OR SOUND

let me know the model number of your set and I should be able to help you out with it, as the ATC dlp chassis have different things that goes wrong but I should be able to help you out as RCA DLPs are my favorite to diagnose.

Posted on May 21, 2008

PCCCTech
  • 1 Answer

SOURCE: Panasonic PT-56LCZ70 no picture or sound

My name is Jonathan and I am an employee at the Panasonic Customer Call Center. Based on the symptoms you've described, I'd recommend contacting the Panasonic Customer Call Center at 1-800-211-7262 for assistance. We are here to help customers that have purchased (or are considering purchasing) our products and would like to assist you with resolving the symptoms described here. Our hours of operation are:

Mon - Fri, 9 AM - 9 PM EST
Sat - Sun, 10 AM - 7 PM EST

Posted on Jan 22, 2009

  • 6 Answers

SOURCE: When I turn on my 50H82 it takes 10 to 15 minutes

I just did a repair on one of these. Check your picture-on-picture. If the the secondary picture is clear, chances are very good the problem is on the "hyper board". We d not replace the hyper board - we repair it. The board is very expensive and rarely, if ever, available. There are several parts in the module that need replaced, but these are definitely not user replaceable. They are very small surface mount components and even I have lifted a copper or trace or two doing these. It is tedious work but our repair bill was well below $300. It is also something I do not do in the home and taking it to the repair facility is a money saver. I did go to the home on this one and remove the board to the shop, however they only lived a few miles away so the service call was low priced. Hope this helps...

Posted on Feb 23, 2009

  • 98 Answers

SOURCE: Whining Noise and Image Problems

You better to check the color wheel or Lamp ballast.

Normally, the noise comes from color wheel.

Posted on Mar 03, 2009

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I HAVE GE UNIVERSAL REMOTE I NEED CODE NOT CODES TO PROGRAM SAMSUNG TV LN40A550P3FX2A


Hey Calli,, Contact your TV provider , they will have all the codes for all TV's.. your remote should handle it!

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My Samsung T4665F has a start up problem. Initially Relays click then eventually it starts up but with colored pixels over the whole screen. Then I have to switch off/on one more time and the pixels go...


This tv 100% have power supply board problems and might also have the T-CON decoders board problems too.The power supply board,that the board,where the power a/c cord plug into it.The T-CON decoders board,that the board sit wright in the middle bottom of the LCD screen panel.Tries websites like Shopjimmy.com,Ebay.com to buy a whole refurbish power supply board for the replacement.Replaced the power supply board,should get ur tv power up right away and work,no more series of clickings noises.But,if the tv still have alots colored pixels lines on the screen.The T-CON decoders board it also dead.Replaced the T-CON decoders board too.

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My samsung harddisk is so noisy making noise..... and when i conected that to ma pc pc is not going to boot


Hello their sam4ubabe

So you mean you Took it off and put it back again...

Try this sequence:..

1. Remove your Hard disk
2. Clean it, remove Dust particles around the connectors
3. Put back the Hard disk, don't tight it so much.
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Power it ON.

Lets see if it goes back.

-dontput

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1 Answer

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this problem occurs usually in the power supply change or check the power supply borad

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The drum bearig at the back is failing, it's not a big job I've changed them myself esily just taking the top off first theres screw's at the back & you have to slide the top back with a little tap, then take off the back, you should see a big nut, if you havent got the tool's for that size as it's larger than normal socket set's, then carefully lever the bearing off the shaft from both side's evenly & re-fit & re-assemble. but get a repair man if you'r unsure as you do need some mechanical knowledge. But at least you can tell them the problem over the phone so they can order the replacement first !
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its either a problem with a memory "ram" or the graphic chip. changing the ram would solve it, if not a graphic chip can not be fixed.

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Whining Noise and Image Problems


You better to check the color wheel or Lamp ballast.

Normally, the noise comes from color wheel.

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