Question about Zenith D52WLCD 52" Rear Projection HDTV-Ready Television

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Zeinth 50 inch screen projection tv

How do you clean the lens there is cow webbs or dust on the color guns

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Very difficult to get into this unit. The front bottom metal grill pops off, but it is on very tight and requires some prying to get it off. Then the plastic grill right above it must also be popped off. Once these are both off there are several screws in the bottom of the screen assy. to remove and all of the screws around the back side of the screen assy must be removed. after all of the screws are remove the screen assy can fall right off, so make sure to hold it in place while last screws are removed. Now when removeing the screen assy it is bulky and requires two hanlers. While slowly pullint it forward there are a few plugs that must be disconnected. You now have access to the inside of the screen, the lens, and the mirror for cleaning. This is not an easy job and I reccomend a service professional.

Posted on Feb 10, 2008

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Posted on Jan 02, 2017

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I own a toshiba rear projection tv model 57h83 and dust has accumated behind the screen along with some spider webbs (don't even ask how the damn spider got in there?! anyway, i would like to take the...


Its usually easier going though the back of the tv. Use a vacume also, you want to draw out all the comtaminats not blow them in with canned air. Dont wipe the lenzes of the crt tubes. Beware the tv holds charge even when unplugged. Hope this helps,.

May 29, 2011 | Toshiba Televison & Video

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I have a Hitachi projection color tv and I cannot get the color adjusted good especially the red. Can you help me?


U know how to solders?Ur convergence it dead,need it replaced parts,by buy convergence kit.Tries Tv repair World.com,Tvrepairkits.com.

Dec 20, 2009 | Hitachi 43UWX10B 43" Rear Projection...

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My color is off on my whole tv i have a 52''projection toshiba cinema series the old big style and was wondering how to adjust the colors so they match up


Sounds like what was wrong with mine! Take the remote and hit menu, then scroll to the Video Adjust button, then adjust the "convergence" or the color tone, brightness, contrast etc. My repair man did this and it helped get the picture much more life-like. He said over time they get out of line and just need a few adjustments. He just charged the $50 house call. Good luck, hope you can fix it.

Dec 11, 2009 | Toshiba 50H81 50" Rear Projection...

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I have a philips HD rear projection TV 60 in. inside there are six adjustment knobs. Three are color the other three are for brightness contrast and hue. Which is which Left to right


If yours is a rear projection TV the adjustment knobs on the focus block inside are screen (red, green, blue) and focus (red, green, blue). The ones you are referring to as color are the screen controls and they adjust the intensity of the color from each tube. The other set adjust the focus of each color. They are also not intended to be adjusted by the user. Unless major components have been changed these controls should not need adjustment. That is why they are inside the TV.

Dec 05, 2009 | Philips 60PP9352 60" Rear Projection...

2 Answers

TV appears blurry, and when using the remote to solve remote and buttons on tv are not allowing to re adjust colors for a clear pictue


Read Each Step Completely - Make Sure 3 Color Guns Are Off And Cool -
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1. Remove Rear Dust Cover 2. Remove the Front Speaker Cover May be Held In By Plastic Pins and or Anchors on the Bottom Note" - Remove The Plastic Cover Just Above Speaker Cover Maybe 2 Piece. Remove The Screws Holding Top Of Speaker Cover. Then Pull Toward You the Bottom Maybe Anchored So Lift Up. 4.Once Speaker Cover Removed, May Have Screws Just Below Center Plastic Cover Remove Them, Now Remove Center Cover Between Speakers -NOTE" Do Not Touch, Move Any Color Convergence KNOBS" - Lift Front Screen UP - Towards Roof - It Has 3 Flex Grab Anchors On Top And 2 Pins One On Each Side Of TV Frame. - NOTE" Lay Screen On Floor It Is Plexi Glass So It Will Brake If Bent Or Drop Hammer On. NOTE"- May Have To Remove plastic Cover Frame positioned Around Front Screen And Then Remove Screws. 5. I Use Windex Glass Cleaner And Either Cotton Balls Or White Tube Sock On Color Gun Lens Covers And Clean Mirror Like The One In Bath Room. 6. Take White Sheet Or Bead Spread And Anchor On top Of TV With Weights, Stretch Around Each Side Of TV Use Chairs To Anchor On Each Side Of TV. Place Dust Cover Or Heavy Card Board Where Plexi Glass Was Positioned. 7. Turn On TV - go To Rear and Now You Can Adjust Colors Brightness And Low Light - High Light - Horizontal - Ect....While Looking at Picture. 8. Install In REVERSE - Order Just Wipe Color Guns Lens Last. Note" - If you have Wet/Dry Vac or Fan Or Blow Dryer Take A 2 - to - 3 Inch Paint Brush And While Brushing Circuit Boards Any Dust For That Matter Blow Dust Off And Out Even Brush Speaker Cover"...ECT...Do This Before Any Cleaning 9. Just A Thought If You Ever Want to Change Color Gun Cooling Oil - Wrap All Circuit Boards With plastic Bags And then I use Bath Towol And Paper Towols To Catch As Much Spill As I Can And Then Spray With Windex To Make Dry While Blowing Air Onto Spill - Also I have Found Clear Mineral Oil Like Johnson Baby Oil To Work As Well If Not Better Then Glycol Oil. I Get For $2.50 For 20 Oz Bottle.

Nov 26, 2009 | RCA D52W20 52" Rear Projection HDTV-Ready...

1 Answer

Red and fuzzy picture can you help on my 50 inch phillips magnavox projection TV


This is a very common failure on Projection TV sets.
Screen looks 3D
Colors don't line up
One or more colors can't be adjusted when using the convergence menu.
Screen is bowed or warped.
The other common problem is cloudy lens fluid. After many years the coolant in the blue and green lens will become cloudy and cause the screen to look dull, red/orange, bright white, etc. You may even see halos around video.
You can see some example photos and find a solution here on Fixya.
http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Nov 25, 2009 | Philips Magnavox 51MP392H Rear Projection...

1 Answer

How do I install/adjust color lamps on a Hitachi 51UWX20B rear projection tv


Read Each Step Completely - Make Sure 3 Color Guns Are Off And Cool -
----------------------------------------------
1. Remove Rear Dust Cover 2. Remove the Front Speaker Cover May be Held In By Plastic Pins and or Anchors on the Bottom Note" - Remove The Plastic Cover Just Above Speaker Cover Maybe 2 Piece. Remove The Screws Holding Top Of Speaker Cover. Then Pull Toward You the Bottom Maybe Anchored So Lift Up. 4.Once Speaker Cover Removed, May Have Screws Just Below Center Plastic Cover Remove Them, Now Remove Center Cover Between Speakers -NOTE" Do Not Touch, Move Any Color Convergence KNOBS" - Lift Front Screen UP - Towards Roof - It Has 3 Flex Grab Anchors On Top And 2 Pins One On Each Side Of TV Frame. - NOTE" Lay Screen On Floor It Is Plexi Glass So It Will Brake If Bent Or Drop Hammer On. NOTE"- May Have To Remove plastic Cover Frame positioned Around Front Screen And Then Remove Screws. 5. I Use Windex Glass Cleaner And Either Cotton Balls Or White Tube Sock On Color Gun Lens Covers And Clean Mirror Like The One In Bath Room. 6. Take White Sheet Or Bead Spread And Anchor On top Of TV With Weights, Stretch Around Each Side Of TV Use Chairs To Anchor On Each Side Of TV. Place Dust Cover Or Heavy Card Board Where Plexi Glass Was Positioned. 7. Turn On TV - go To Rear and Now You Can Adjust Colors Brightness And Low Light - High Light - Horizontal - Ect....While Looking at Picture. 8. Install In REVERSE - Order Just Wipe Color Guns Lens Last. Note" - If you have Wet/Dry Vac or Fan Or Blow Dryer Take A 2 - to - 3 Inch Paint Brush And While Brushing Circuit Boards Any Dust For That Matter Blow Dust Off And Out Even Brush Speaker Cover"...ECT...Do This Before Any Cleaning 9. Just A Thought If You Ever Want to Change Color Gun Cooling Oil - Wrap All Circuit Boards With plastic Bags And then I use Bath Towol And Paper Towols To Catch As Much Spill As I Can And Then Spray With Windex To Make Dry While Blowing Air Onto Spill - Also I have Found Clear Mineral Oil Like Johnson Baby Oil To Work As Well If Not Better Then Glycol Oil. I Get For $2.50 For 20 Oz Bottle.

Nov 22, 2009 | Hitachi Televison & Video

1 Answer

Every thing on the tv is mostly blue


Read Each Step Completely - Make Sure 3 Color Guns Are Off And Cool -
----------------------------------------------
1. Remove Rear Dust Cover 2. Remove the Front Speaker Cover May be Held In By Plastic Pins and or Anchors on the Bottom Note" - Remove The Plastic Cover Just Above Speaker Cover Maybe 2 Piece. Remove The Screws Holding Top Of Speaker Cover. Then Pull Toward You the Bottom Maybe Anchored So Lift Up. 4.Once Speaker Cover Removed, May Have Screws Just Below Center Plastic Cover Remove Them, Now Remove Center Cover Between Speakers -NOTE" Do Not Touch, Move Any Color Convergence KNOBS" - Lift Front Screen UP - Towards Roof - It Has 3 Flex Grab Anchors On Top And 2 Pins One On Each Side Of TV Frame. - NOTE" Lay Screen On Floor It Is Plexi Glass So It Will Brake If Bent Or Drop Hammer On. NOTE"- May Have To Remove plastic Cover Frame positioned Around Front Screen And Then Remove Screws. 5. I Use Windex Glass Cleaner And Either Cotton Balls Or White Tube Sock On Color Gun Lens Covers And Clean Mirror Like The One In Bath Room. 6. Take White Sheet Or Bead Spread And Anchor On top Of TV With Weights, Stretch Around Each Side Of TV Use Chairs To Anchor On Each Side Of TV. Place Dust Cover Or Heavy Card Board Where Plexi Glass Was Positioned. 7. Turn On TV - go To Rear and Now You Can Adjust Colors Brightness And Low Light - High Light - Horizontal - Ect....While Looking at Picture. 8. Install In REVERSE - Order Just Wipe Color Guns Lens Last. Note" - If you have Wet/Dry Vac or Fan Or Blow Dryer Take A 2 - to - 3 Inch Paint Brush And While Brushing Circuit Boards Any Dust For That Matter Blow Dust Off And Out Even Brush Speaker Cover"...ECT...Do This Before Any Cleaning 9. Just A Thought If You Ever Want to Change Color Gun Cooling Oil - Wrap All Circuit Boards With plastic Bags And then I use Bath Towol And Paper Towols To Catch As Much Spill As I Can And Then Spray With Windex To Make Dry While Blowing Air Onto Spill - Also I have Found Clear Mineral Oil Like Johnson Baby Oil To Work As Well If Not Better Then Glycol Oil. I Get For $2.50 For 20 Oz Bottle.

Nov 20, 2009 | Hitachi 51G500 51" Rear Projection...

3 Answers

Toshiba TN50X81 Lens Cleaning


Usally access from rear panel, unplug and only wipe the lens with feather duster. do not mechanically move the projection tubes or you will effect the convergence of the 3 colors

Jun 17, 2009 | Toshiba TN50X81 50" Rear Projection...

2 Answers

Looks like dust spots behind screen


I had the same problem and had a tech check it out.
It turned out to be dust on lens and mirror.
cleaned them and good as new.
Ihope this works for you.

Dec 29, 2007 | Sony Grand WEGA KDF-50WE655 50" Rear...

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