Question about Mitsubishi WS-55907 55" Rear Projection Television

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Our local dealer's repair guy came and said the tube is leaking.

The liquid has gotten on some of the tubes I believe. He also stated the parts are not available. Can you help me/him find the parts?

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I hav a ws-55907 if you would like make an offer on parts let me know.
evilcaligrl04@aol.com

Posted on Dec 16, 2008

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I have a 65''hdtv philips i just moved and found some of the liquid from the blue light on the board. i blew a fuse i just need to figure out wheather it is a 5 amp or .5 amp any ideas


It should be marked on the end of the fuse in very small letters and on the top of the circuit board--also on top of the board will be a location number for it---Give me the exact model number and the location number and I will try to locate the value and part number.

You understand the liquid is Glycol and very toxic?

It will damage and short any parts it gets on and only water will remove it. If you get it off wear rubber gloves and do not get any on your hands etc--If replacing the fuse lets the set work--

You have 2 choices---remove, drain and reseal the leaking tube or cut a piece of cardboard and insert it above the boards but under the tubes to stop any liquid from getting on the boards.

If enough glycol leaks out the picture tube will go bad--it is in a sealed area and keeps the face of each tube cool.

REMEMBER THIS LIQUID IS TOXIC! IT IS LIKE ANTIFREEZE BUT MORE CONCENTRATED.

IF this information helped you rate this solution as I do this here for free.

SD TECH

Dec 11, 2009 | Projection Televisions

3 Answers

Rainbows across screen


IF this is a projection tv of tube nature, you need the projection tubes degaussed. IF it is solid state, you have circuit board problems and that can get expensive...if not impossible when compared to the price of a new TV. BE very carefull of speaker placement near these tube if it is a projection tube type...get the speakers away from the sides of the tv, Turn it on and off several times. (it degausses itself everytime it is turned on)..and see if you see a lessening of the effect...if you do, then with time, this will go away.

Hope this Helped. -CA

Jul 14, 2008 | Sony Projection Televisions

1 Answer

Hitachi 60" Ultravision TV - bad green tube that is leaking


If this has only started to leak recently, get an estimate from a local servicer for a coolant replacement for that tube. The coolant is corrosive and needs to be cleanedup ASAP from any circuit board that it has touched before there is damage. This is NOT a DIY repair. Expect a repair cost in the $300 range for parts and labor. If the set had a good picture prior to this, it may be worth the repair. This is your call. Do not delay however, as any delay will increase the likelyhood that there will be more damage that needs repair.

Dan

Dec 09, 2009 | Hitachi Projection Televisions

1 Answer

Philips 60


First of all,this is a major labor intensive repair on Philips TV's changing the blue CRT because the new CRT does not come with the coolant that is sealed between the lens and the tube.If you have never done this type of repair before you should not attempt. Changing the convergence board is one thing (you can solder in two STK392-120 IC's and repair the board instead)
but changing the CRT's can be a nightmare.If you are brave go to PARTSTORE.com and get the parts $600+ (I would order the service manual too...you will need it)

Aug 27, 2008 | Philips 60PP9202 60" Rear Projection...

1 Answer

Coolant


The coolant is clear ethylene glycol and can be purchased at any electronic parts store or online. Look up "projection tube coolant". Usually you can get by with only changing the liquid in the blue and green tubes, and be prepared for a messy job. You'll need a small bucket to drain the tubes into and make sure to pour a straight stream to avoid liquid getting into lenses. Just take your time and this repair is very simple to accomplish. Also, I use a marker all the way down the side of the tube and on mounting frame to assure that I don't get it turned around when reinstalling. Make sure you clean inside of coolant chamber thoroughly. Good luck, Russmann.

Jul 28, 2008 | Philips 51PW9303 51" Rear Projection...

2 Answers

Need new green picture tube


If the repair center is an authorized Samsung service center, they should be able to get hte part for you. I don't have parts listings for Samsung sets, but the part numbers should be available from Samsung directly. Since you know the problem, try another service center that is associated with Samsung. Not all independent servicers can get parts from all manufacturers.

Dan

Jul 09, 2008 | Samsung PCL5415RB 54" Rear Projection...

1 Answer

D52W19 No pix, sound good - now green light blinks, no come on


First of all you need to find out which CRT leaked and replace it before any other repairs are done. The clear liquid is conductive and has done damage to the CRT board or boards.

Jun 15, 2008 | RCA D52W19 52" Rear Projection Television

1 Answer

Samsung HCL5515w


Usually if some parts on the board burnt on that model it can be caused by leaky tubes. Meaning the coolant from the crt's has dripped out. If burnt components are beneath any of the tubes, inspect very closely for liquid substance having leaked down from coolant chambers above. If this has happened you must seal leaky gaskets before going through any trouble of pcb repair.If burnt parts are not below tubes, most common cause is bad convergence ic's. At any rate, service info avail online or at samsung.com or 1800samsung. Hope this helps.

May 29, 2008 | Samsung HCL5515W 55" Rear Projection...

1 Answer

I have a Samsung projection screen television and when I moved it some liquid came out of the blue picture tube. I believe the fluid got on the circuit boards and caused it to short out. I tried to dry it...


Best case scenario, The blue crt could be fixed and refilled, and the board only burnt a trace on the board, a chip or resisitor or the like. I worked on televisions for a couple years in a small shop and had seen exactly this problem. We replaced the board and crt, lined (converged) it all up, and the cost was near $300. Probaly a good deal higher now. You could call the local repair shop and run those two ideas past them and ask what they would charger to do that specific work.

Mar 31, 2008 | Projection Televisions

1 Answer

Need new green picture tube


You dont need a new tube. What you need is to repair the seal on your old tube and replace the CRT coolant fluid. There is a coolant chamber attached to the tube with long bolts with springs on them that contains coolant to prevent your tubes from getting hot. Yours may just need tightening, but I would replace the seal just to be safe as thecoolant can and will destroy your circuit board if its allowed to continue to leak on it.

Jan 15, 2008 | Samsung HCL4715W 47" Rear Projection...

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