Question about Mitsubishi WD-52525 52" Rear Projection HDTV

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My TV has hundreds of little white speckles showing up on the screen, kind of like white noise. They aren't staying in one place just flashing all over the screen. A green bar flashes as well every so often. I took the problem to a local TV specialist retailer and they said that it could be a power surge, and that I might need to purchase a Surge protector that filters out the problem. Any idea on what this could be?

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6 Suggested Answers

6ya6ya

6ya staff

  • 2 Answers

SOURCE:

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Posted on Jan 02, 2017

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Slinteriors

Sonny Berry

  • 8617 Answers

SOURCE: mitsubishi-ws55859 power failure flashing timer green light

the capacitors on the DM need to be replaced. Very easy repair you can get the repair kit at this link which is for your model it contains the replacement capacitors and step by step insturctions.
http://servicemanuals.vstore.ca/product_info.php/pName/v21v19-mitsubishi-dm-repair-kit/cName/repair-kits

Posted on Apr 03, 2009

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freetek

Steve Allison

  • 5569 Answers

SOURCE: MODEL WT-42311 WAS 0N A SURGE PROTECTOR POWER

The surge protection built into the typical power strip is primitive and the component(s) that provide protection by conducting (shorting) between the hot and neutral degrade with repeated activation. They are worth much when new and after having switched a few times, the voltage breakdown point moves uprange and they become less effective.
Most more expensive electronic systems have better internal protection than that afforded by the majority of the power strips and there might be an internal fuse that blew that can be replaced. I'm afraid however that the main power supply has taken the hit.
The supply is normally built on a separate boardsince these are often out-sourced by set manufacturers.

Unplug your set overnight to allow potentiallyhazardous voltages to discharge, remove the lower back panel of the set so you cansee the guts.
Look for a smaller board with larger parts onit; some cylindrical (capacitors), others block-like and relatively large(chokes and transformers).
You should also see a relationship between theboard and the incoming AC.
Check the board for a label or if not present, astamped-on number.
Call the manufacturer's service center with yourTV model number and the number found on that board and inquire aboutrepair/replacement costs; if both are offered, they won't be that muchdifferent.
If you must buy a new board, don't dispose ofthe failed one as there are smaller companies that can repair it for less thanthe mfr. and then keep it as a spare as this problem will likely arise again.

If you reside in an area of frequent electrical storms, I highly recommend you install or have installed a 'whole house' surge protector. These are either installed in an existing main breaker box or in an auxillary box next to the breaker.
The device and installation labor fall between $150 - $300 US and have an included insurance policy that covers losses of 10 or 25 thousand dollars.
This Google link will bring a large number of links to retailers of these:
Surge Protection

Posted on Aug 09, 2009

Btles

  • 172 Answers

SOURCE: ws-6509 will not power up after electrical storm

Internal fuse(s).

Posted on Aug 11, 2009

Anonymous

  • 5 Answers

SOURCE: After power outage timer light is flashing and tv

We had a similar problem with our Toshiba. It turned out to be that the mercury bulb was toast. Open the owner's manual & look in the Troubleshooting section. The blinking for us was indicitive of a bad bulb. Sure enough, we took it out & it was obviously cooked. Don't buy from a local store, buy it online. You'll save between $30-100 & our "cheaper" bulb has been working for 2 years. Hope this helps!

Posted on Sep 27, 2009

ladywinn

ladywinn

  • 5138 Answers

SOURCE: we lost power last night. we have a surge

Replace Both of your STK ICs they are big black ICs will have Part number on them Call Mats 1-800-628-1118 example STK392-570

Posted on Dec 03, 2009

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