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I have an LG projection tv RU50NZ60 an need to align the guns can this be done by myself. Thanks Paul

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No you need a tech for this very tricky l have had 3 rear projection tvs in the past i would never get them again.the guns also have fluid in them when it gets older they need topping up as the picture will start to look dull.

Posted on Apr 26, 2010

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Tv works but picture color is off and its kinda dark looking there is no duel image so i know the color tubes are ok but there is a problem it almost looks like someone took a magnet to it


You have two problems, you have a convergence problem, the convergence board needs repair, and the other problem is the coolant needs change in the guns, (CRT's) and you are looking at 500 on repairs, you would be better off getting a new LCD.

Mar 02, 2011 | Philips 43P8341 43" Rear Projection...

1 Answer

Is it hard to restore a Samsung HCN4727W tv back to it's factory setting after having replaced the convergence board? Can it be done myself or do I have ot tak eit somewhere? How expensive do you think it...


You want to re-align the convergence for this tv correct? It is not hard, you can do it yourself. You really need to get the service manual to do this. Use a good input source for the 480i input and maybe an xbox or blu-ray player to help with verifying alignment for the 1080i input.


Too much to explain here, so search on google for the service manual. You will likely need the original remote for the tv as I think a universal remote will not have all the button you need on it to complete the alignment.

Feb 18, 2011 | Samsung HCN4727W 47" Rear Projection...

1 Answer

It has blurred vision and color is`nt quite right. had a different tv do the same thing. it took a certain part. the guy charged me 250.00 to fix it. i think i can fix this myself if i knew the part number...


Hello,

This problem is very common with rear projection TV's.

It is related to one or more of the colour guns being out of alignment or needing to be replaced. The only way to correct this issue is to have a technician come in and fix it or bring it into a repair center. I personally would suggest purchasing a new TV. The cost of getting them aligned is usually more then a basic LCD.

Hope this helps

Dustin

Feb 12, 2011 | Hitachi 50DX01B 50" Rear Projection...

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LG Projection TV Model# RT-49NA11T Green color gun shows bent arc on top & bottom.Red & blue guns are ok.How to adjust the green gun to remove the bent arc. This is causing picture shows mix...


This problems ur tv have can't not be fix by adjustment.The tv have a problems known as convergence problems,it dead.Tv have colors lines R,G,B mis alignments,have colors shadow 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 on the tv convergence board,must be replaced to repair the tv convergence board to solved the tv convergence picture problems.The shop,will cost u like $300-350 for parts and labors.

Jan 10, 2011 | Panasonic PT-53WX53 53" Rear Projection...

1 Answer

The guns are out of alignment so its showing in shadows, so how do i get them back align?


Hi,

The first step would be to use the original remote to fix the convergence problem. You need to go to menu > convergence and then try to align the convergence.If you are unable to fix the convergence by remote, you need to open the TV and replace convergence IC's. This is a simple fix.

If you have an electronics repair experience and would like to repair the TV yourself, revert and i would guide you how to replace the convergence chip on this set.

Let me know,so that we could proceed.

Hope i helped you.

Thanks for using ' Fixya ' and have a nice day!!

Dec 12, 2010 | Panasonic PT-47WX49 47" Rear Projection...

1 Answer

All color guns out of alignment


Needs convergence amps replaced. Sometimes resistors burn and need to be replaced. This repair requires soldering/desoldering equip. and a trained eye, but usually can be done for 175.00-325.00 at a reputable service center. Good luck, Russmann.

Nov 01, 2008 | Hitachi 53UDX10B 53" Rear Projection...

1 Answer

Rca picture concave 52 in rear projection


sounds like your color guns are out of alignment and need adjusting. its a cheap fix with a tv tech but i wouldnt recommend doing it yourself. plus, a visit from a tech can tell you if there is anything else wrong/about to b wrong

Oct 21, 2008 | RCA P52939 52" Rear Projection Television

1 Answer

Pioneer elite pro 118


if the tv is more than 10 years old no its not worth replacing the power supply.if its 5 years or newer yes it owuld be worth the money

Jul 17, 2008 | Pioneer PRO-200 60" Rear Projection...

1 Answer

Blue Projection Gun


It is not the gun ,but the convergence IC that needs replaced providing that you have went into the tv menu and selected convergence and manually adjusted the blue convergence.

Sincerely the Hammerman

May 14, 2008 | Hitachi 53SWX10B 53" Rear Projection...

3 Answers

Alighnment off


The alignment you need to do to realign your TV is called "setting the convergence". All projection TV's have 3 color guns (one red, one blue and one green). When you move a TV or josstle it, these guns can get misaligned and need realignment. This is definitely something an average user can do (you don't need a TV repair man to do it for you). It is a very simple procedure (most TV's have an option in the menu to do this, just look for convergence adjustment). What you want to do is use the remote to get all 3 colors to overlap completely (you can only move one color at a time). Some TV's have squares on the screen that you must align, others have plus signs. If you can't find it in the menu on your TV or if you can't figure it out on your own, you can look for a manual at Hitachi's website that will walk you throught the process for your TV.

Jan 25, 2008 | Hitachi 53SDX89B 53" Rear Projection...

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