Question about Sony KP-53HS30 53" Rear Projection HDTV-Ready Television

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HI amji Hey i have a quick quetion for you, i opened my set to clean the pisture tubes and i saw this things underneath them, they look like rings that you can move around... What are they and what do they do? thanx!!! evildude

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  • George Juarez
    George Juarez Nov 20, 2008

    Thank you amji,



    You know i also notice my screen if a liltle off centre. can those thigs fix that?



    i will look for you next time im online that way we can talk....



    thank you :P

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  • Sony Master
  • 586 Answers

Hi,
    Please don't try to touch them.These are for the adjustment of picture position.If once you disturb them it will not adjust to.So, my again friendly advise is to u that contact any expert.And if u want to do by urself then try when find me online.
  Thanks 

Posted on Nov 20, 2008

  • AMJAD HUSSAIN Nov 20, 2008

    Yes, i would be a nice session when we talk.
    Untill next tc bye

  • AMJAD HUSSAIN Nov 20, 2008

    Yes, it would be a nice session when v talk.
    yntill next tc bye 4 now.

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6ya6ya
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Color is bad especially colors like orange and the white on peoples teeth is black most of the time andthe picture is not clear


HI, thank you for visit fixya.
Common problem on this set .
Picture tube liquid is dirty.
Mostly in crt green and crt blue.
Do you have electronics skills?. If so, open the TV ( back cover), you will see green,blue and red gun. After turn on your tv, select any channel or video signal, cover with piece a paper two guns at the top ( any), and see how look the picture in the front, try one at time, ( press menu on remote control and see leters-clear). I am sure the green and blue will be no clear. all the time red tube is fine.
REPLACE COOLANT LIQUID PROJECTION ( solution).
I will be here for any quetions.
Thank you

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Hitachi Plasma Flat Screen T.V. Mod #42EDT41 Has 1" vertical line, 10 inch from left side, top to bottom. another vertical line 14 inches from 1st vertical line.could you please let me know what...


This buffer board normally will just bypass the video to the screen from the main digital board.
There could be other problems with the main digital control board but it could also have a problem with the flex cables that connect from 6871QRH037A to the plasma panel.

Aug 13, 2008 | Televison & Video

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Toshiba tp50h95


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Jun 10, 2008 | Toshiba TP50H95 50" Rear Projection...

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Aug 14, 2008 | Sony KP-51WS500 51" Rear Projection...

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Projection tube relpacement gel


Here is a link where you can order the CRT coolant for your Projection tubes,
http://www.matelectronics.com/cgi-bin/ss000001.pl?SS=coolant&PR=-1&TB=A&SHOP=&ACTION.x=23&ACTION.y=14
heres how you change the coolant,
It's best advised to change the fluid with the tube out of the set. Some guys in the shop like to do it on-board but personally I can do it just as fast by pulling the tube. Removing the tube is no big deal, after removing the front screens and back cover you'll have to pull the crt socket board off. This is probably the hardest part since Philips puts a glob of RTV between the socket and the tube, as you're pulling down, gently wiggle the board, it will pop off. You'll have to pull the HV anode lead out of the HV block on the LSB board in the back. Unplug the convergence plug for the particular tube you're changing as well as the Yoke plug. There are normally 2 ground wires connected to the backside of the CRT metal shielding. Those have to come out. After removing the 4 1/4" screws holding the crt down, slowly remove the CRT. BE very careful that you don't bang or bump the certering rings when you remove the tube. Those are a pair of rings around the neck of the crt with tabs on them. They're usually RTV'd down but they can be moved. If you move them you'll have to recenter the tube.

You'll find the plug on the top of the coolant chamber, twisting 180 degrees loosens it so you can remove it. Careful, there's a small white washer you must keep and it tends to fall and can get lost. Drain your coolant into a container like a kitty litter container. After the fluid is drained, removed the 4 screws holding the lens on and clean the inside of both the lens and CRT coolant chamber with a rag. Reinstall the lens. Sit the tube upright, begin slowly filling the chamber back up with the replacement fluid until it reaches the very top. Reinstall the cap with rubber gasket washer and tighten 180 degrees. Clean any coolant on the outside of the tube off, you don't want any of this stuff dripping down into the set.

Reinstall tube the same way you removed it. As long as you didn't move those centering rings, any convergence adj. should be very minor. Proceed to do the same to the rest of the tubes.

Normally the blue tube dirties the worst and fastest. The glycol based coolant is extremely sticky and corrosive as well as conductive. If you do the coolant change in the set and you spill any coolant on the PC boards, STOP WHAT YOU'RE DOING AND CLEAN UP THE SPILL IMMEDIATELY! AS I said, this stuff is conductive and will short circuit the boards it's spilled on quickly.

If you're not comfortable doing this call a pro.

Jan 23, 2008 | Philips 55PW9363 55" Rear Projection...

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
housing.
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

http://dysonmanuals.llc.nu/

Chris..

Jan 12, 2008 | Televison & Video

2 Answers

Inside the cabinet projected on the screen?


well . there are 4 things that can cause this..
1= the outer screens could be dirty.clean with screen protector cleaner.Spray on cloth and not on outer screens.
2= outside lenses of picture tubes could be dirty.Unit can be opened .Outside lenses can be cleaned with a lens cloth .Do not use paper towels or cotton as this my scratch surfaces of lenses.
3= inside of picture tubes could be dirty.This should be done by a repair shop only(dirty coolant inside tubes)

Dec 28, 2007 | Philips 55PP9401 55" Rear Projection...

1 Answer

Rca 60'' p60928


The set does not have a blue lamp. The set has a blue picture tube. I have found that the best RCA parts distributor is Union Electronics at 1-800-648-6657. The picture tubes in projection sets are very fragile and dangerous to handle. The new picture tube will come dry, so the lens assembly and seal will have to be assembled onto the new tube and then filled with fresh coolant. The set will then need a complete realignment, everything from screen and focus voltages, bias and drive, yoke and ring position to convergence circuits. If you have no experience in any of the above, do not attempt to replace a picture tube. Allow a qualified tech to handle it for you.

Aug 28, 2007 | RCA P52926 52" Rear Projection Television

1 Answer

Philips 51pw9303 51 in. Rear projection. no picture. has audio


To be honest if you have never worked on a set I would reather you contact a tech in your area. You can do more damage that it may already have by being a fierst timer or having no experience.

Aug 19, 2007 | Philips 51PW9303 51" Rear Projection...

1 Answer

Projection tv


I just saw your post, that is a permanat burn on the screen and there is suppose to be protection circuits inside this TV set to prevent this from happening.

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