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What is the best and safest way to trouble shoot what appears to be a power supply problem?

I have an 11 year old Mitsubishi 65313 that has in the last 6 months or so started to exhibit what appears to me to be a 60 hz bleed on first starting, then after it warms for a while, it clears out. Also the screen appears to have enlarged and about 5% of cable menus etc... are off screen. It is not in stretch or zoom mode. I have been an electronics technician for 40 years, but am not familiar with the internals of rear projection... Nor can I afford to replace it with an equivalent LCD... Looking for a hopefully inexpensive fix.

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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SOURCE: Hitachi 60 in. 60V715 Yellow Haze

A friend suggested I use windex and clean the mirror,lens, and screen. Would that help?

Posted on Jan 03, 2008

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  • 1 Answer

SOURCE: looking for replacement screen for 57" Hitachi.

http://www.highdefforum.com/rear-projection-tvs/37146-hitachi-57f59a-screen-replacement.html



I have the same TV. I will be buying a replacement Screen for mine as well

Posted on Sep 26, 2008

800pctechs
  • 39 Answers

SOURCE: Colors - particularly green - bleeding on Panasonic 52" rear projection tv

Replace the colorwheel.

Posted on Oct 28, 2008

rulds2008
  • 3866 Answers

SOURCE: My 10 year old 55 inch Mitsubishi rear projection shuts off.

The main board/switch is worn to the point it will not work anymore after a while, I been in the business for years, These are wonderful TV's, yes there are replacement parts but a quick fix your looking for here will be unsuccessful this is the reason I am providing my advice and take a chance on the rating your going to give me. Try www.ebay.com look for people that is saling parts for these TV's.

Posted on May 03, 2009

  • 126 Answers

SOURCE: blue haze and dull yellow patches on screen

The light engine in your set has gone belly up. It is a very expensive repair. Good news is that on a whole bunch of models like yours Sony has extended the waranty on the light engine. Check with a local authorized Sony service center and give them the model & serial number and you might get a free ride. If I were a betting man I'd take odds on 'you're in luck'. LOL

Posted on May 28, 2009

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Mitsubishi ws 65313 power led comes on then shuts back off. led error code 2-2


Error code 22 indicates "short-circuit protect" fault is PWB power board part# 930B900001
Please understand that with a short in the power supply, you may also have problems in other areas. (i.e. Multiple problems)
The part is no longer available, but this web site may be able to rebuild it for you: http://www.moduslinkptstvboards.com/930b900001/

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Your camera appears slightly older than mine so I will do my best for you. Have you tried ejecting the tape with the power off? If I have problems I slide the eject button when the camera is off but plugged in and the tape can be ejected. I suspect the tape mechanism is in trouble. When a tape stuck in mine I had to literally force the cover open. But this is a last resort.

Give my suggestion a try and apologies if you have already tried that...

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Sorry you are having trouble.
This is very common problem.
Do you feel comfortable looking inside with the power off?
Most likely the lenses and or mirrors need to be cleaned.
For the mirrors we use Windex or similar cleaner
For the lenses I recommend lens cleaner from a camera shop
Yes this worth fixing. If you dont feel comfortable doing the cleaning yourself just call a serviceman

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The most common failure are the two convergence integrated circuits part # 267P173010. The two pico fuses may be open as well, which come from the power supply and provide +24 volts and -24 volts.

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HELLO THERE WE ARE HAVING THE EXACT SAME PROBLEM. TURNS OUT THAT IT IS THE RELAY SWITCH mY TV IS ALSO 11 YEARS OLD. HAD THE SAME PROBLEM 4 YEARS AGO

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Describe your Mitsubishi WS-65313 65 in.... Problem:


look for the CONVERGENCE settings either behind a small panel on the front or through the menu with the remote control

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Mitsubishi WS-65511 Rear Projection Big Box TV resets with a green flashing light every 5 minutes, Then works fine for 5 more minutes (perfect picture). Acts up worse when cold. Warm it up Works hours It's NOT the DM board caps. I've already replaced the DM caps twice. Not the problem. No repairman will look at the set. Too Old. So am I. I could repair it with help. The power supply must have a safety circuit that will shut down & reset if too much draw. I DON'T have a diagram. I'm not sure how to trace it . Which board? If I unplug boards one at a time, Will it damage other boards ? I know it is NOT the 7 DM board caps everyone keeps telling me. I see no burn't parts, No bulging caps. Tapping on components doesn't reset. What kind of component would act up when cold , But not overdraw when warm? This set has the best beautiful picture when it runs. If you can get past the resetting every 5 minutes for the first hour, You can watch it sometimes for 20 hours. I've left it on at night & it is still on the next morning. Change the channel Or raise the volume, And off it goes. Once or 10 times, Keeps resetting. Then on for 4 or more hours, Maybe. I can't afford a new one. It works GREAT ! when it works. I've notice that even when the set is turned off, The green light starts flashing (resetting itself while it's off) , Then stops. Once in a hundred times it will kick off the breaker & you need to push reset with a pin on the front panel next to the green light. It's probably a 10 cent resistor OR a $ 1.00 cap. If I only had someone with more knowledge than me to help. I know how to use a meter & read a schematic. I built a Heathkit 25"TV in the 70's & all my novice ham gear. I'm 64 & not familiar with digital circuits. Can someone help PLEASE ?

Dec 16, 2017 | Mitsubishi Televison & Video

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