Question about Mitsubishi WS-55905 55" Rear Projection Television

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The picture on tv looks dimmed on my mitsubishi WS-55905

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There are a few things to try first if you have not done so:

If the set has not been "serviced" for several years, unplug it and remove the back cover. You will see 3 large black lens dead center above the main boards-------wipe them clean either with a lens cloth or a paper towel with glass cleaner sprayed on the towel.

If the lens are dusty, the picture will be darker and duller looking than it used to be.

Let me know what you find as I am here to help.


SD TECH

Posted on Jul 30, 2010

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Mitsubishi ws-48315


Its a V24 chassis---it will blank or turn the picture tubes off for a number of reasons--all self protection. Someone would have to look---I presume when you say no picture you mean no light of any kind on the screen.

If no raster (no light of any kind on the screen) problem could be in Vertical or Horizontal sweep circuits which covers quite a few possible parts.

If the set had for example a blue screen only or is stuck on one input there is always to possible hard reset but that will not cure no raster.

SD TECH

Apr 27, 2012 | Mitsubishi WS-55905 55" Rear Projection...

1 Answer

Green edge around images (outline)


my 2002 sony wide screen projection tv has menu and pictures when turned on first thing in the morning?

Jan 30, 2010 | Mitsubishi WS-55905 55" Rear Projection...

1 Answer

Mitsubishi WS-55905 No picture or sound, but TV stays powered on


Most of the time its the STK ICs they are big Black ICs they will have Part number on them example STK392-570 replace both of them Call Mats for parts and you will need heat sink silicon as well to put on back of ICs 1-800-628-1118

Nov 19, 2009 | Mitsubishi WS-55905 55" Rear Projection...

1 Answer

No picture or sound


This would start with the power supply on up to the conv. board.. I have seen som many TV's like this wiht problems.

May 24, 2009 | Mitsubishi WS-55905 55" Rear Projection...

1 Answer

Blue, green, red parallel curved lines at top of screen


hello sorry but it sounds like the chip have gone again when you replace these chips you might have to change the resistors and the 2 capacitors as well

shaun

May 08, 2009 | Mitsubishi WS-55905 55" Rear Projection...

1 Answer

Mitsu model #ws-55905 Started losing picture while watching a DVD. The next day it worked fine. Now it lost the picture and sound completly. I have no response at power on, only the green power indicator....


actually something on the main board was getting overheated before due to that it was loosing the picture.and now that component is got totally overheated and blowned/burned out.so its quite necessary to replace that faulty component from the board by checking it with a meter.so its advisable that you do not turn on your tv to avoid further damages till it gets repaired.

Feb 20, 2009 | Mitsubishi WS-55905 55" Rear Projection...

1 Answer

Mitsubishi ws55905 needs ics replaced


There will be 2 of them big black ICs will have Part number on them STK392-560 ,570 ect...?? use same # on the ones you have.Make sure you resolder all poor solder connections on board.

Feb 19, 2009 | Mitsubishi WS-55905 55" Rear Projection...

2 Answers

Double image


convergance ic bad
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html

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