Question about Zenith D61W25 61" Rear Projection Television

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Samsung rear projection

My tele is seven years old .there is a red shadow on the screen . i have tryed auto focus but nothing is happening can you help

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Re: samsung rear projection

Ive had this problem happen 3 times each time costing £350 to fix apparently theres different colour bulbs when they go the colour resulting the fault on the screen i.e red ,blue etc need to be replaced theres no other way of resolving this problem.

Posted on Nov 22, 2009

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Re: samsung rear projection

If the shadow is only red, you can check your convergence and see if aligned first and then, check to see if in red bias my need to be turned down a bit.

Posted on Dec 13, 2007

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Sony kp-57hw40 double picture. regular and the other right next to it is red. tried auto focus and nothing happens. while holding auto focus btton down get red cross and white next to it. tv is 9 years...

Auto Focus button no longer work.Tv have a problems known as a convergence problems,it dead.Tv have colors lnes R,G,B mis alignment,have colors shadows pictures or 3D pictures look alike.The tv convergence board have dead 2 STK convergence ICS and some or all of it resistors too.These parts,must be replaced on the tv convergnce board to solved the tv pictures convergence problems.The shop,will cost u like $300-350 for parts and labors.

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Color shadowing on screen

I had similar symptoms about a year ago. Also came on sudden. The red convergence chip had burned out (poor heat sinking on this model Hitachi). Replacing the color convergence chips fixed it. ($50 for parts.) First, however, have you tried the "magic focus" function? That's explained in the manual, which is available online IIRC, but I'd have to look for the link if you need it.

Mar 02, 2010 | Hitachi 53UDX10B 53" Rear Projection...

1 Answer

3 year old rca rear projection just started going blurry. green blue and red line across the top of screen. objects have shadow.

Focus and screen control box / remove front bottom panel there you will find it / it has 3 controls on top 3 on bottom top are focus for RGB tubes bottom controls adjust screen drives for RGB.

Jan 25, 2009 | RCA D52W23 52" HDTV CRT TV

1 Answer

Picture shadow on rear projection Sony big screen TV

You have 2 distinct problems that should be addressed separately. Please repost the Samsung problem. I will address the Sony problem here.

If the "shadow" makes the picture seem somewhat of a 3D one, the problem is with the convergence circuit. This could be as simple as bad connections on the pins of the convergence ICs or defective ICs. If you can solder and would like to attempt the repair, update this and I'll provide more details and instructions.


Sep 25, 2008 | Samsung HCM4216W 42" Rear Projection...

1 Answer

Color is off since relocation

Hello Mia1026,

First I would suggest that you have a qualified TV technician look at your set because it sounds like your Blue and green CRTs have been damaged in the move. If this is the case they will have to be replaced.
I would if I were repairing this TV:
Check to see if there was physical damage to the CRTs
Check to see if the HV trippler was functioning
Check to see if the CRTs lit when power is applied (on the Green and Blue CRTs)
That would be a good start.

I hope this helps,

Thank you,

Sep 15, 2008 | Hitachi 53UDX10B 53" Rear Projection...

1 Answer

Double focused, red and green, bow in picture top and bottom

You have a convergence problem
If the set has auto focus and will not complete its cycle.
The Auto focus module is bad, (expensive)
If it completes and the problem is still there.
Then check for bad conv. drivers (stk****) or cold solder joint on one or more of the 3 drivers pins.

Jul 08, 2008 | Hitachi 65S700 65" Rear Projection HDTV

1 Answer

Convergence problem

did you try to do convergence thru the menu system?

Feb 21, 2008 | Sony KP-51WS500 51" Rear Projection...

1 Answer

Sony KP-61HS10 Rear projection TV blurry /shadows at first start

Sounds like the convergence ic's need to be replaced or resoldered. Sometimes it can be a microfuse if you are lucky. But my question is if you hit the focus button up front does it make it thru the auto convergence? Let me know. Have a good one.

Feb 09, 2008 | Sony KP-61HS10 61" Rear Projection...

1 Answer

Samsung rear projection tv has multiple images with differnet colors

The auto self focus screws up if the picture does not remain constant or close to it while focusing. It is designed to self focus every fifteen minutes. Go to menu and then setup and turn the auto focus feature off. I have had mine off for the past year and have had no problems. If you slide the bottom portion of the remote down you will see a self focus button. My suggestion is to put a DVD in and hit the pause button during a scene and then hit the self focus button. It should align back up and may take a couple of tries. (If you have an aftermarket remote, just enter the menu and then setup and you can activate the self focus feature, just don't turn it to auto focus!)

Dec 31, 2007 | Samsung HC-P4752W 47" Rear Projection...

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