Question about Hitachi 53UDX10B 53" Rear Projection Television

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My tv color has gone crazy movedd speakers and still not better

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Re: My tv color has gone crazy movedd speakers and still...

Need better description however it could be the convergance ic's


Posted on Jan 04, 2008

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No picture. Loud whining noise from back of tv. Audio is working

your color wheel has gone bad. not a diy project. you need professional help.

Mar 08, 2010 | Mitsubishi WS-65903 65" Rear Projection...

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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 Projection Televisions

1 Answer

Our TV color is messed up since the power went out last night. We usually can configure it to make it better... we now cannot find that option. everything is doubled and colors are crazy

You probably need to replace either the Main board, or the LVDS cable or both. Or the LVDS cable is loose. You should be able to google the parts, and they are pretty easy to install, If you feel it would be too much for you to install, you can get the parts, then go to and take offers to do the work.

Sep 01, 2009 | RCA D52W20 52" Rear Projection HDTV-Ready...

1 Answer

My picture is gone crazy

Call a good TV Tech and have him replace the color wheel assembly.

Jul 29, 2009 | RCA HD50LPW175 50" HDTV

2 Answers

I have a toshiba tv model 50hm66 and just replaced the lamp for the 3rd time, now the color seems to have gone out, it only shows purple and green

looks like the lamp is on its way out again, you would be better buying a plasma or lcd the quality is alot better and you wont have to change the lamps and there our non :D

Mar 10, 2009 | Toshiba 50HM67 50" HDTV

1 Answer

Magnet has messed up the color on my tv

it takes an electro magnet to do it youll have to call a shop and have them come out and do it.they dont charge alot to do it

Feb 07, 2009 | Sony KP-57HW40 57" Rear Projection...

1 Answer

My panasonic project tv colors are crazy cant fix convergence lin

you must adjust it by hand located in the front of the tv you must remove front panel and speaker panel,s you will se six

Jan 17, 2009 | Panasonic PT-51G44 51" Rear Projection...

2 Answers

Colors will not converge on toshiba projection 50H13.

Your TV has gone crazy on you because your convergence IC's have gone bad.

These IC's operate at a very high temp, and usually only last 4-5 years.
If you remove the back of the set, you will want to look for the BIGGEST heatsink in there, on that heatsink, you will see 2 lage IC's , probably STK392-110, or STK392-120's or something close...regardless - you can go on ebay to order the new ones, but MAKE SURE they are Genuine SANYO IC's and not counterfiet cheapies. the cheap ones may only last 2 months..
You will also need some "Heat transfer paste" - you can pick this up at radio shack.

Once you remove the old IC's, test all the large resistors near them.. pull one side of the resistor out of the board so you can check it out of circuit. they will usually have the value in Ohms, printed directly on the resistor, but you may have to use the resistor color code to find out what value they are....However, usually if there is any damage, the resistor will look like it has been HOT or fried. replace the IC's and any bad resistors, and you should be good to go. If you need to order a resistor or two,

If after replacing the IC's and any defective resistors, the convergence is still bad, make sure to use a multimeter to check ALL fuses on the boards, --- sometimes when the IC's go, they will take out a fuse to the convergence power supply. If you find any bad fuses, replace them accordingly!

If this STILL doesnt make it look right, you will need to find out how to get into service mode and do a coarse convergence adjustment. This information can be found in the Service manual for your set. If you dont have one you can download it at
Hope that helps!

Jan 16, 2009 | Toshiba 50H81 50" Rear Projection...

2 Answers


I have a flat screen polaroid lcd hdtv model 3700, first the sound started to get really loud with a beeeeeeeeep when we turned on and after a while was gone, now it doesnt! we had to put mute and connect the tv to a sorround system to hear it without that crazy noise, and now the colors of the tv are gone too its just black and white when we try to see the dish satelite but if we put a movie on the dvd player colors are perfect we try to conect the ps3 player too but its black and white too. Help what can it be!!!!????

Nov 14, 2008 | Projection Televisions

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