Question about Mitsubishi WS-55511 55" Rear Projection Television
I have a Mitsubishi WS-55511 tv that when i push power the light comes on for a second and then turns off. I did the diagnosis test and it gave me the 1 blink and then 2 blink meaning no error. Any ideas how to fix this?? Thanks!
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Posted on Jan 02, 2017
1.) 2-2 is short protection and usually means one of the two fuses that protect the convergence IC are bad.
2.) This model uses a Single convergence IC--A STK-393-110 THAT can be purchased for about 14 dollars plus shipping on ebay.
3.) If one of the fuses that protect it is blown the set detects no voltage present and shuts down instantly.
4.) I have photos of what the fuses that need to be checked look like; also there are several protect resistors around the chip that need to be looked at also--I have photos of them also.
5.) I also have step by step start to finish instructions for this repair for this model--It tells you how to do the repair and everything you will need to do it.
6.) If you want the photos and instructions give me a vote here and I will email them to you free.
7.) I do this here for free so if this has been helpful take a minute and give me a vote here.
REGARDS, SD TECH
Posted on Sep 13, 2009
Testimonial: "This was a great step by step answer to my problem. Thanks!"
I am having the same sort of probblem
TV stays on for awhile and then powers itself off and won't come back on for awhile then will work ok again.
Posted on May 21, 2008
SOURCE: ws-55511 power problem
Ok the 12 code means no error detected. Try this you will see three small wire plugs that run from the convergence yokes on the picture tubes. not the three big plugs, they will be real small plugs all identical. try unplugging them and then try powering up the set. But remember where each one was plugged so you can plug them back in correctly.
Posted on Aug 03, 2008
The first thing to do is to try to determine why the set is not turning on. It is equipped with a self diagnostic feature. On the front of the set push the MENU and DEVICE button at the same time and hold until the LED starts flashing a two sequence code. That will narrow things down for us.
Posted on May 05, 2009
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MOST OF THESE SETS HAVE A SELF DIAGNOSTIC:
UNPLUG TV AND THEN PLUG BACK IN---TURN ON---GREEN POWER LIGHT COMES ON FOR A MOMENT AND GOES OFF.
PRESS AND HOLD “device” and “menu” buttons on front of tv for at least 5 seconds and then release both together.
Watch for power light to blink in a sequence:
1 blink-then 2 blinks-------no error
2 blink-then 1 blink-------X-ray protection
2 blink-then 2 blink-------SHORT PROTECTION*******
2 blink-then 3 blink---------deflection circuit problem
2 blink-then 4 blink---------vertical circuit problem
******2, then 2 is most common---usually means one of the fuses that protect the Convergence IC or IC’s is blown---set will detect no voltage to convergence IC and shut down.
SET WILL REPEAT BLINK ERROR CODE UP TO 5 TIMES AND THEN TO GET IT TO REPEAT MORE YOU HAVE TO UNPLUG SET AND TRY TO TURN ON AGAIN.
IF IT IS 2 AND THEN 2---USUALLY
CONVERGENCE CIRCUIT PROBLEM
Posted on Aug 08, 2009
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