Question about Sony KP-53S65 53" Rear Projection Television

5 Answers

Need Service Mode instructions for this mode 1998 model!

I have performed the lens cleaning with surgical cotton and alcohol free cleaning fluid. I also used the same products on the mirror. The picture is amazingly brighter now! Like someone put a rejuvenator on the set. This is a 1998 model. Can the image be improved further? The user convergence still shows some overshoot of color on the cross hatch no matter what I do. The service mode instructions,I currently have appear incomplete or I am just not knowledgeable enough to understand what it is I am looking for in the Covergence adjustment nor how its done nor how are you sure its done correctly? I may ultimately call in a ISF Tech to align it and my new Pioneer Pro-1140HD. Though in the meantime. Any suggestions would be appreciated.

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  • gene perciavalle Dec 29, 2006

    I thought this forum was for Solutions and how too's. Your comments offered none of that and served no purpose other than to bad mouth and cheap shot. This set is in a guest house on my property and it works fine and provides a satisfactory viewable TV for weekly sports enthusiasts. A little TLC will make it satisfactory for some time to come, thank you.

  • gene perciavalle Jan 11, 2007

    I'd love to drive a Mercedes 500AMG Twin Turbo 12 cylinder, however practicality is more important than ego in this instance. Being able to put aside childish "I must have now at all cost", is what separates adults from spoiled brats. I do have a $4k HD unitas well and can also give credit and appreciate from whence I came viewing wise, which is more than YOUR response has provided!

  • gene perciavalle Feb 01, 2007

    No I have not yet. I have a ISF Tech due to come on 2/9 to calibrate my new Pioneer Elite 1140HD and to align, Repair and generally give this Sony a proper going over. It still performs wonderfully for the most part. Pictue is bright, just that I may have not been as careful as I thought I was when cleaning the lenses & mirror. It owes me nothing since 1998! I'll keep you updated when its completed. Thanks for asking!

  • gene perciavalle Feb 11, 2007

    This is to inform all readers that my worse fears were just that - fears! I had the services of an ISF technician on site to calibrate my new Pioneer Pro-1140HD and he offered for a few $ more to check/align/calibrate the Sony RPTV. (Mind you the set was never touched by anyone since it was delivered nearly 10 years ago!) Absolutely nothing wrong that its internal focus couldn't fix so he said. He gave it complete 3 hour servicing and found it badly needed 1)Internal Focus, 2)Internal convergence alignments for every axis, 3)Adjustment for overscan, blooming, 4) plus the usual ISF alignment using, signal generators, Test DVDs, and various test gear including a laptop PC with programs to autotest settings.

    This RPTV is better now than the Day it first arrived in my home. Thank you to all the forum contributors who offered REAL help in solving my issues!



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Remove the lenses, drain,clean and refill the crt's with new fluid, adj focus and screens etc.

Posted on Feb 11, 2007


Ginovino, Did you ever get the convergence fixed? I was just given one of these and am having the same type of problem. Thanks.

Posted on Feb 01, 2007


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I just did the convergence myself using this site as a guide . I have other problems with the set but the convergence mode is easy to access and adjust. Good luck.

Posted on Jan 13, 2007

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LG Projection TV Model #RU-52SZ30 I turn on the tv 1st led light flashes yellow turns green Picture is OK.After sound,picture 1st and 2nd led light turns red.The 2nd led light flashes 8 times.Pls.send me solution to fix this problem. Thank You

Posted on Feb 24, 2007

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  • 308 Answers

With a set that old, it is unlikely you'll get the convergence that close to perfect anyway. You may even make it worse if you go too far in your adjustments. How you could manage to even watch it after looking at a HD set is beyond me anyhow. I would sell it "as is" and stick with HDTV.

Posted on Dec 29, 2006

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Posted on Jan 02, 2017


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SOURCE: Sony KP-53s65

take the back off oh unplug it first and then read the label that says no user serviceable parts inside its kinda like the tag on pillows the three delta lenses can be cleaned with a soft cloth dampened with windex they are an optical grade of plastic like the screen so all those caveats apply if you are really brave you can take the lense assemblies off and clean (gently the concave) portion of the top of the crts they are filled with coolant and should be treated with care if you are really brave use windex on the plate glass mirror if you are nice to your tv it will look real good when you get done it will look even better if you know how to refocus the focus block and the screen controls all the home theater dvds wont make up for zen and the art of projo maintenance

Posted on Dec 09, 2006


  • 137 Answers

SOURCE: Picture cut off

No adjustment needed on these LCD projection. Your problem is in your setup menu. Your default is now is set ZOOM. That is why the bottom of the picture is cutting off. Go to Menu, setup and screen size or something close to that.

Best regards

Posted on Dec 09, 2007


Sonny Berry

  • 8617 Answers

SOURCE: Convergence Problem

most likely cause is one of the 3.5 amp picos have blown when the old Ics failed. You can get replacement picos at the following link, and they also have the service manual which will explain how to adjust the colors through the service manual. Here is the link.

Posted on Jan 16, 2009

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Procedure for replacing fluid in our rear projection television

Changing Projection TV Coolant
1. Tip the TV set so the expansion chambers are pointed up. The expansion chamber is a small white/clear plastic bulb-like thing
that is attached to one side of each of the CRT's up near the top lens. In some TVs, the expansion chambers are already pointed
up - In this case you don't have to tip the TV.
Or if you find this difficult remove all 3 CRT tubes from the metal cradle they are screwed to & lift each tube completely out you will need to unplug & disconect all leads from the crt.
2. Cover the circuit boards below the CRT's with several paper towels to prevent accidentally spilling any coolant onto the boards.
The coolant is corrosive and will destroy the circuit boards. Don't skimp on the paper towels here - they are cheap!!!
3. Remove the four screws that hold on the focusing lens assembly and remove the focusing lens assembly.
4. Note the position of the expansion chamber then remove the expansion chamber. It will need to be reinstalled in the exact
same position so remember the position or take a picture if you need to. There is a small o-ring on the neck of the expansion
chamber where it threads onto the CRT housing - Don't loose it!
5. Use the baster and tube to suck the fluid out from the hole where the expansion chamber was removed. This hole is fairly small...
maybe 5/16" or so.
6. Once most of the fluid is out, remove the four screws that hold on the lens cover plate.
7. Remove the lens cover plate, the lens & the large o-ring. (be gentle with the o-rings!!!)
8. Clean the CRT chamber & lens with denatured alcohol. Use 100% cotton balls so you don't scratch anything.
9. Clean the CRT chamber and lens with distilled water. Again, use 100% cotton balls so you don't scratch anything. This will rinse
out the alcohol residue. You need to use distilled water for this so there is no mineral residue.
10. Gently clean the large o-ring with distilled water (don't use the alcohol because it might eat the o-ring) Dry off the o-ring and
lightly coat it with 100% pure silicone (not siliconized acrylic caulking or acrylic latex caulking - ONLY USE 100% SILICONE).
Use your fingers to rub a thin layer of silicone all over the surface of the o-ring. Then place the o-ring in the groove in the CRT
11. Place the lens in its position on the o-ring.
12. Place the lens cover plate over the lens and install the four screws.
13. Clean your baster and tubing with denatured alcohol then rinse with distilled water.
14. Use the baster and tube to suck clean fluid from the bottle and install it into the CRT through the expansion chamber hole. Go
really slow when it is almost full to minimize overflow. Wipe up any overflow immediately. There will be a small air pocket in
the CRT when you are done - you will not be able to fill the chamber 100% - This is O.K. Just be sure to fill it as far as possible
so the fluid is just up to the edge of the expansion chamber hole.
15. Install the expansion chamber. Be sure to install it in the same position as it was before you removed it. Also be sure that the
small o-ring is on the neck of the chamber before you thread it on. The chamber is just plastic so don't over-tighten it or you
might damage it. Screw it on as tight as you can go by hand and then give it about 1/8 of a turn with pliers. (you might have to
use needle-nose pliers to get a good grip on it.)
16. Place the focusing lens assembly into position and install the four screws.
17. Turn on the TV and check for leaks over the next 20 minutes. Remember, you have not yet removed all the paper towels from
inside the TV. Remove these once you know there are no leaks.
Other things that should be done after replacing the fluid include...
1. Clean the mirror
2. Clean the top lenses of the focusing assemblies
3. Focus the CRT's
4. Adjust the convergence
Here is a list of things you will need:
1. Turkey baster
2. Vinyl tube
3. Cooling Fluid
4. 100% cotton balls
5. Paper towels
6. Denatured alcohol
7. Distilled water
8. Pliers
9. Screw driver
Ensure you use only the coolant made specificaly for projection CRTs


Jan 12, 2008 | Televison & Video

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