Question about Sony KP-61V85 61" Rear Projection Television

6 Answers

I have a Sony 61 inch rear projection tv purchased in 1999 - it is at least 10 years old. The picture has become dim in every respect. Otherwise, the set works fine, the color is good, and sharp. Just dim. Can any upgrade be done to get the brightness and colors back to what they were a few years ago? Can the projection lamps be replaced, and if so, will it help?

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  • ws55nj Dec 14, 2009

    The tv set is in my living room, so I can move it away from the wall. what do I remove and what do I clean? Where can I purchase this cleaning solution. It seems you are in a different country then me. I am in the USA. What is the name of this cleaning solution in my country?

  • ws55nj Dec 16, 2009

    model number: KP61V45 - 1998

  • ws55nj Dec 18, 2009

    it has been progressively getting dim. Do I have to disassemble anything to do the cleaning?

  • ws55nj Dec 23, 2009

    I am returning to my winter location soon, so I won't be able to try this until April. What is the proper way to leave the tv on vacation - plugged in while I am gone or unplugged?

  • ws55nj May 02, 2010

    What kind of fluid do I buy and where do I buy it? In local stores?

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6 Answers

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  • Master
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Is it possible to strip and get behind and give it a good clean with meythlated spirits ,if access can be gained then this and does work beleave me ,done enough on the local bars around here because smoking is still permitted here in spain and the nicotine build up really dims the pictures.although now they have changed to flat screens because they need less space.

Posted on Dec 12, 2009

  • Colin Stickland
    Colin Stickland Dec 18, 2009

    as far as i can remember their is some paneling to remove ,but not to complicated ,just a phillips screwdriver needed ,Havent done one for at least the last 5 yrs ,these things were bulky ,poor picture quality so didnt last long in the bars.Also prone to going wrong ,especially with a power cut right in the middle of a football match ,the bulbs blew so now all the bars have LCD tvs .

  • Colin Stickland
    Colin Stickland Dec 24, 2009

    make sure everything is unplugged ,also turn off the main breaker .because a mouse could chew into the wires whilst your away causing a nasty fire .Here in spain their are no wooden houses as such ,the only wood used in this house is the internal doors and they have a 30min fire rating

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Yes those tubes are available @ partstore.com green n blue $111.95 each and red 236.95

Posted on Apr 28, 2010

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  • Master
  • 563 Answers

It's better to leave it unplugged.

Just an additional comment, If after cleaning the image doesn't get bright, the projection lamps may need to be replaced but it will be quite expensive. I'm quite surprised how long lasted this TV, unfortunately, because the age, it may not be worth of repairs.

Posted on Dec 24, 2009

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  • Sony Master
  • 14,553 Answers

If the set has not been serviced for several years I would suggest two things.

First: the set has (if you unplug the set and remove the back cover) three large black lens in the middle at the top---they are for the three picture tubes it uses; if the picture has been getting gradually darker they may be dirty with dust---wipe them clean with a lens cloth OR spray regular glass cleaner on a paper towel and clean them good--they are glass and the windex will not hurt them.

Second: plug the set back in and examine the picture--if it is now much brighter you are done.

Third: The set also has a large mirror inside in the top back area--with the set off and unplugged you should have more than enough room to stick your head in and look at it from the back--you are looking to see it is clean and not grimy looking--dust rarely sticks to it because it is at a sharp angle but it can become from moisture in the air and dust grimy--a flashlight will show this.

Getting at the mirror to clean it can only be done in two ways---some models you can remove the entire rear shroud it is mounted in and clean the mirror and put the entire unit back----others the only way to get at it is to remove the entire front of the set with the entire screen unit complete---usually a two person job and you have to remove screws from the back all the way around---avoid trying this unless you have to.

Understand: if the lens are even mildly dusty(you can see by running your finger across them to see if it leaves a mark in the dust) the picture will be darker and somewhat dull looking---they are the light source for the picture coming from each of the tubes. Picture comes from the tubes through the lens and is directed into the mirror which directs it onto the screen.

Let me know if you have questions---I am in the USA--not like someone else we both know.

Regards, SD TECH and thanks for using Fixya.

I have a Sony 61 - b6e1717.jpg

Posted on Dec 18, 2009

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  • Master
  • 4,472 Answers

Did it progressively get dim? You may want to clean the mirror and the guns dust etc can cause this. It could be something more serious as well. Have you considered having a professional look at it?
Thank you,
Lee

Posted on Dec 16, 2009

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  • Sony Master
  • 5,138 Answers

Change coolant fuild in all 3 tubes if you can look down into top of tubes Fuild by now is no Good you proably cannot see picture clearly in any of them and I really dont think there are any tubes avaiable ,But if any of them are you maybe looking at $400.00 per Tube? Or more! On this model I think the Focus/screen drive control Block is in back of Tv mounted above chassis it will have 3 controls on top for your focus to each Tube R/G/B and 3 under them for screen drive to each tube these controls are to turn drives up to brighten tubes R/G/B if you can and in order to try to get correct color you will have to go to menu turn color off yhen adjust screen drives RED Green & Blue to where you have a black and white Picture get as close as you can Then turn your color back on.Give me your Model number its on back of TV will do some checking to see if anyone has any rebuilt Tubes and how much?

Posted on Dec 15, 2009

  • ladywinn
    ladywinn Dec 18, 2009

    TUBES RED/GREEN/BLUE ARE NO LONGER AVAILABLE ! Call PTS see if they have any rebuilt TUBES 1-800-844-7871

  • ladywinn
    ladywinn Dec 23, 2009

    You can ascess TV from the Front of it Remove bottom front panel then remove top screen then you will be able to clean tops of the tubes and your mirror.

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