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

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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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Re: Need Service Mode instructions for this mode 1998...

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

Posted on Feb 11, 2007

Re: Need Service Mode instructions for this mode 1998...

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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Re: Need Service Mode instructions for this mode 1998...

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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Re: Need Service Mode instructions for this mode 1998...

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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Re: Need Service Mode instructions for this mode 1998...

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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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

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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

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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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Hi try cleaning the lens.
If the lens is dirty or opaque, the player may read only few media types, for example only recorded DVD-R .
You can first try cleaning the lens with a Cleaner Disk. If that does not work clean the lens with isopropyl alcohol and cotton stubs. Disconnect power and remove top cover to clean the lens directly. Be careful because if you put too much strength and displace the lens pickup you may make things worse.

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Removed the engine and found the color wheel was very dirty and the shaft was not spinning well- cotton swab and denatured alcohol did the trick-
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I have a philips magnavox 60 inch model 9p6034c103 dark pic

Sounds like a lamp, but its free to open the back and clean the 3 color lenses and the big mirrior that will be directly behind your head.

Taken from the service manual:

2c) Using denatured alcohol on a cloth made of 100% cotton or a lens cleaning tissue, gently clean the Celement (fisheye) lens, coupler and the CRT faceplate..

Caution: Do not use soap or detergent type substances to clean the coupler and its related assemblies. assemblies must be completely dry prior to reassembly

ALSO: I have heard that a bacteria grows in the color fluid and coats the lenses. the fluid is VERY Poisonous, so please please dont dont clean the inside without research and reading the service manual!!! I've read posts where unknowning people opened them and it poured out.

Manual Library you should find all you need here:

GOOD luck...

Nov 10, 2008 | Philips Magnavox 51MP392H Rear Projection...

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Hi There!
You can certainly clean the mirror and lenses. surgical alcohol and a soft cloth should do the trick. Be careful when removing the screen. It is fragile and the slitest bump can damage it permanently. Also be careful not to turn or bump the lenses. Thus can result in many hours wasted on realignment. Good luck, JUS004

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Yellow tinge in picture how do I change the coolant fluid?

you need to remove the CRT from the set. the problem CRT is the blue CRT. after removing the gun leave the yolk inside. there is a drain plug on the side of the CRT remove it and drain into a hazard waist container and dispose of it as hazard waist according to your local regulations (ethylene glycol) very dangerous if ingested. use rubber gloves and becarefull of the CRT it can implode. after its drained you must take the lens assembly off the clean the CRT face. use 95% rubbing alcohol to clean the face and lenes of the gun. replace the lens assembly and refill the chamber with fresh fluid. replace the CRT assembly in the set. alien according to the service manual. check for leaks after warm up. if leaks accure remove the CRT and repeat the process but save and re-use the fluid reseat and clean all gaskets and make sure the screws are tight.

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4 Answers

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


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3 Answers

Rear projection tv picture is horrible!

you might have to focus the actual projectors. or, you need new ones because they are worn with age.

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