Mitsubishi WS-65807 65" Rear Projection Television Logo

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Posted on Sep 17, 2008

Fluid leak ws 65807

My tv has not been used for the past year.I moved last weekend to a new house. I hooked it up and watched for about two hours and lost sound.I poked around the tubes and wiring underneath for anything obvious like a loose wire.I found a wet circuit board which I guess is from 1 or 2 of the tubes having a small leak possibly from the move.I read on this site that the fluid is corrosive to the circuit board and it was smoking a little bit with the power on. Is this an easy fix or has the big Mitsu seen it's last Super Bowl? Thanx in advance

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  • Posted on Oct 06, 2008
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It sounds like the coolant leaked from one or more of the projection tubes. You may need to replace the affected tube assemblies.

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0helpful
1answer

Need to dis assemble a ws-65807 tv to move

go here and sign up for a 7 day use ($5) and download the service manual (and schematics and pcb layouts) for your tv

http://www.free-service-manuals.com/members/
0helpful
1answer

For past 6 Months The scren was bowing Horizontally and now it has sever ghosting.. What to do this TV is about 8 years old Model Number WS-65807

Projection TV sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the video to look normal. When its out of alignment the video will look 3D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the TV menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired.
This is a very common failure on these projection sets and a fairly simple DIY fix. All projection sets including Samsung, RCA, Sony, Philip Magnavox, Panasonic, Pioneer, Akai, GE, JVC, Toshiba, and others at some point will have the same problem.
You can get a repair kit with parts and instructions from www.TvRepairKits.com
0helpful
1answer

Can you easily seperate the top and bottom of the ws 65807 for moving?

Yes. I have the ws-65809, which is virtually the same model. There are 4 rubber plugs that come out on the sides of the TV. under these are four screws. WARNING! You must disconnect the wires connected to the screen before removing the screen or removing the top half of the TV. If you don't the wires will rip out. I believe they disconnect with 2 clips.
0helpful
1answer

There is no picture, but sound comes through fine. after opening up the back I discovered only the blue lamp is working. This happened before about a month ago and there was a small amount of clear fluid...

Yikes!!! That fluid is glycol, a clear fluid used as a coolant for the CRT tube (lamp). If you have a leak, there's not telling how much damage could have resulted. For sure, you need to find which tube is leaking and get it out of there. Glycol is very toxic, if you have ever heard or read the warnings about automotive antifreeze solutions of years ago, this is the same stuff, just in a pure form. Keep pets away from the area while you work this problem out.
0helpful
1answer

Hey anyone, I need help... I have a Mitsubishi ws-65807. It was manufactured october 2000. I lost the sound about a year ago...just started cutting in and out then finally went out altogether. Not a...

You had a convergence circuit failure. When it failed you had a fuse for the -26v line open and probly the +26v fuse open. The convergence circuit in this set is on the powersupply board and is real tricky to to take out because of hidden screws on the heat sink that also hold the board in place. I would call a Mitsubishi Service facility to repair it. It will need either a pair of SKT 392-570's or a SKT393-100 and two 5A Pico fuses. As far as the sound going
out, it could be a bad Audio output Ic, it happens to be on the same board as the Convergence circuit. What bothers me is that
some of these models have had a leaking issue of cooling fluide from the crts. On Some models they had mounted a tray under the crts, other models they did'nt. Right where the Audio output and the Convergence circuits are is a prime place for this fluide to leak. You can varify this by taking the speaker geill off the front, remove the screws holding the front wood cover and right on the center board near the front of the board you would see clear liquid dropplets and or corrosion of parts due the liquid that had leaked. You really don't want to know how much it would cost to replace the crts and the Power/Convergence boards if they are available. We are talking replacement of TV if that is the case. I hope I did'nt scar you, but it is a possibility. Let me know what you find.
Hope this helps,
Skyassoc
0helpful
1answer

Mitsubishi ws-55315

Good Day;

More than likely your TV has "COOLANT" (ethylene glycol) on the circuit boards. This fluid comes from the CRT's (picture tube) this fluid is used to keep the CRT's cool, such the name. This fluid from the CRT's leak when TV is on for long periods of time, the chamber expands and the seals leak.

One can remove this fluid by using "acetone" & small brush. The fluid is hard to see, use bright light, they spots can be smaller then a DIME. Also, the fluid can corrode the parts and traces on the boards. To protect the TV in future place heavy plastic or thick cardboard over affective area, make sure TV has proper air flow around TV.

If after the fluid has been removed and TV still does not work, call an Authorized Service Center to come out and repair TV after giving you an Written Estimate. The boards are not available.

Always try resetting the TV by unplugging it for one minute then plug back into A/C outlet and ALWAYS UNPLUG TV BEFORE ATTEMPTING ANY REPAIR ON THE TV.

Good Luck, big IRISH.
0helpful
1answer

Model WS-65807

Reset the covergence to factory specs from the remote. Do it three times
2helpful
1answer

Red convergence real distorted for mitsubishi ws-65807

A man with your experience won't need photos. 1)locate center PCB--has large heat sink-- 2)using a hook tool,gently lift board edge connectors.Go slow,be gentle. 3)remove all connectors to center board (unplug) Don't worry about getting them mixed up--we have a saying--they are idiot proof. 4)remove all center board hold-down screws,includes two in sister board shield and three difficult to access in large heat sink shield. 5)gently lift PCB up and to the right while releasing hold-down plastic tabs on the front e of PCB.Replace STK IC's.Throw it in reverse-done
0helpful
1answer

2 new problems with my TV after my move

Well it may just be the signal in your area that isn't quite as good. That's just fact. Also, because the signal may be weaker, it may take longer for the TV to fine tune to get the best picture quality, which would explain the slight blurring after turning your TV on.
0helpful
1answer
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