Question about Mitsubishi WS-55513 55" Rear Projection HDTV
Where can i find a circuit board and a lens for the projection of the tv, and how much would that cost, also replacement lamps..? i feel confident i can fix this tv if i can get these parts, possibly the fuses have all been burned out because some liquid from the lens came out onto the circuit board.
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Posted on Jan 02, 2017
this model is famous for fluid leaks. each projector tube has a
reservoir on the front of it with a fluid in it. this keeps the face of
the tube cool.
this depends on how bad the damage is in the tv. in most cases we can reseal the tube and clean up the fluid 400-600.
take the tube out you will see where it leaked. The problem is that the
frame on the CRT that the heavy screws with springs are mounted on (that
hold the lens coupled to the CRT) is weak and they can bend. We have seen
several that have leaked after the customer moved the set. You can only
tighten them down so much because the frame bends. It is just stamped metal
and not welded at the corners to support the bend.
We remove the CRT, clean it all up, add a very small amount of RTV sealer to
the gasket, reassemble, let the RTV cure thoroughly and refill with coolant.
The extra sealer should prevent future leaks. Haven't had a recall yet.
Mits says replace the CRT...too costly.
You msut check the yokes carefully as well. If any coolant gets into them
you can end up with shorts there and a mess.
Clean the boards carefully and repair any corrosion damage. The coolant is
ethylene glycol and glycerine which is water soluable.
Posted on Jan 23, 2008
you should be able to locate the parts at the following link just leave them a email with the model number of your set and what your looking for. Just click on the contact us link in the lower left side of the page .
Posted on May 24, 2009
Listen: you need to wait for the set to first shut off! then push on the TV(not the remote) Input and Menu both at the same time for 5 seconds and then release---the power light will then blink---this model has this feature--
Posted on Sep 13, 2009
Testimonial: "SD tech has been very fast responding to all of my questions and was and I could not be any happier. AAAA++++++ GREAT. Thank you"
You can probably purchase a smilar set on Craig's list for $300.00, at least that's what they go for in the Austin Texas area.
A new tube may be too expensive and difficult to replace.
Posted on Sep 13, 2009
SOURCE: I have a mitsubishi ws
Age of unit: About 7 years.
Rear Projection HD set, Mitsubishi WS-55511
Nature of problem: Blinking green light of death. Upon plugging the set back in after vacation, the green LED on the front of the set would blink continuously and the set would not turn on. I ordered the blinking green light kit from tvrepairkits.com after seeing this link on a tech forum, suggesting the capacitors were bad on the DM board inside the DM module. The kit arrived within days of ordering. The online instuctions were very detailed and could be followed even by a layman such as myself. Very detailed with lots of photos. My DM module was simpler to remove than the instructions indicated. It simply slid out after about five cables were disconnected from other boards. The module itself is the silver box all the way to the left when looking into the rear of the TV (from the rear of course). There is a plastic guard that surround all the input connections (coaxial connections, home theater control inputs, etc). This is removed with 3 screws. After all the cables to this module are unplugged from other circuit boards, the module will slide out towards you. Then you take the cover off (including the clamp where all the cables are routed into the module) and you can see the DM board (it is labled as such and has 7 capacitors. None of the capacitors were bulged or otherwise defective looking as other posters have reported. Changed them all anyway. Buckled everything up and plugged the set back in. The blinking light started as it always had. It should normally go out in about a minute after plugging in to wall. I really didn't hold out a lot of hope that it would go out....and then....it went out! I pushed the power button and she fired right up! What a thrill! Including shipping, it cost me $45.90 to fix a set I paid about 3000 bucks for 7 years ago and was loathe to just throw away. I certainly wasn't going to pay nearly a thousand bucks to fix this set. It may be a little bulky, but the picture is beautiful as well as the sound system. You guys are great. A very reasonably priced gamble that worked. Watching a movie in HD while I type this, good to have my TV back after almost two weeks without it. I actually can't believe I did it!
Posted on Oct 01, 2010
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