Question about Mitsubishi WS-55905 55" Rear Projection Television

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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. I smell something burning.

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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.

Posted on Feb 20, 2009

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I have a Mitsubishi ws 55905 that I got for free. Noticed it works at first, then after about an hour. The tv power light is still on, but no image. Unplugged it and plugged it back in. Worked fine. The...


Internal circuit fault. Your TV need a through checkup. Contact any service technician. If you wish to get some details; check the site linked here. Viewing it in "Mosaic" or "Magazine" will make surf easy. Pull up older posts. Surf the site with patience. Do a search by type in the brand name of your device at its search box and press "Enter".
http://electronicshelponline.blogspot.com/

Jun 17, 2014 | Televison & Video

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


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

Jul 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

TV's picture and sound goes off. Had to cycle Mitsu WS-55513


THERE IS, aside from having the set taken to a shop, One other thing you can try---

NOT THE RESET BUTTON ON THE FRONT OF THE SET!

If the original Mitsubishi remote works on the set---this set has a hidden menu---it also in that menu has a HARD RESET---puts set back to the condition is was when new in the box--will come back on on channel 3 in the air band and any labels you placed on any of the video inputs (ie--named a input DVD etc) will be gone.

If you have OSD but no video either you have some problem with a single voltage coming out of the power supply(shop repair) or if you had a power outage or the power cord was removed with the set on---the hard reset may fix it---nothing to lose--set is not usable now---

Let me know if you want to try the reset and I will tell you how----


REGARDS, SD TECH

Oct 26, 2009 | Mitsubishi WS-55513 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...

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