Question about Hitachi 43UWX10B 43" Rear Projection Television

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Red bar at left of screen will not dissapear

I have attempted to focus the tv with Magic Focus, howver have found that I still have a small red band appearing on the left side of the screen.

Is there a manual adjustment that can be done? I have removed the canopy and see that each tube is fixed in place with a wing nut. Is this used to make this type of adjustment.

I thought I would try to attempt to fix this myself, howevever, if it is too complicated I will call someone int.

Thanks,

Carlo

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  • theseaside Oct 06, 2008

    My TV worked perfect last night. When I turn it on this morning, I have red shadows to the left. I tried the convergence adj. The blue line would adjust. but I can not get the red line to move to the right. Help

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Good Day; Carlo;
There is an adjustment. Try the Convergence Adjustment, if no fix, the TV's circuits need repair and you should an Authorized Service Center, GET estimate first. Good Luck, big IRISH.

Posted on Sep 06, 2008

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My TV is the Hitachi model 51UWX20B and tried using magic focus to line up red color. Picture looks like 3D with red off center. When using magic focus it gets to the red phase and it shows the number 5...


You need to replace the STK ICs which are Convergence ICs STK392-110 use 120s or 150s
also check the small ohm resistors around ICs . They are Big Black ICs and will have part number on them ,should be located on the Right hand side of Chassis .
Mats Eletronics has Parts 1-800-628-1118 Convergence IC Kit.

Jul 04, 2011 | Hitachi 51UWX20B 51" Rear Projection...

1 Answer

Turned on tv and it looked like 3d. Found red horizontal convergence lines extremely bowed. Cannot correct with magic focus either in auto or manual. What is the fix and what is more cost effective ......


TAKE OFF THE FRONT PANEL AND FIND THE FOCAS ELECTRONIC FOCAS CONTROLS. USUALY BETWEEN THE LEFT SPEAKER AND THE FIRST CRT GUN. PAUSE A DVD WHEN THE CREDITS GOING. OR USE A MENU IN YOUR SAT RECEIVER TO LOOK AT. USEING THE GRID IN THE TV SOMTIMES IS NOT ACCURATE. YOU WILL SEE 6 SMALL KNOBS (RED,GREEN,BLUE)FOCUS AND(RED,GREEN,BLUE)SCREEN DRIVE .FOLLOW THESE STEPS 1 TURNDOWN RED AND BLUE SCREENDRIVE 2 FOCUS THE GREEN (YOU SHOULD SEE SCANLINES) 3 TURN DOWN THE GREEN SCREENDRIVE 4 TURN UP THE RED SD UNTILL YOU SEE RETRACE LINES THEN BACK IT OFF TILL THEY ARE GONE. 5 FOCUS RED (UNTILL YOU SEE SCANLINES) 6 TURN RED DOWN AND TURN UP BLUE 7 FOCUS BLUE (BLUE WILL NOT BE AS GOOD AS RED+GREEN NOW YOU ARE IN FOCUS, NOW YOU NEED TO GET SCREENDRIVE BACK THE BEST WAY IS TO, PAUSE A DVD ON A BLACK SCREEN SELECT PLAY MOVIE AND HIT PAUSE RIGHT AFTER . TURN ALL THE LIGHTS OFF IN THE ROOM AND USE A SMALL FLASHLIGHT TO ADJUST SCREENDRIVE SO YOU DONT MOVE FOCAS BY MISTAKE. THE TRICK IS TO END UP WITH A VERY FAINT GRAY SCREEN WITH EACH COLOR UP AS FAR AS YOU CAN WITHOUT SEEING ANY COLOR ON THE TV. WHEN YOU GET THIS TRY PLAYING THE MOVIE. MAKE SURE THE BRIGHTNESS AND CONTRAST IN THE TV ARE AT A NORMAL LEVEL BEFORE YOU START . COLOR,BRIGHTNESS,AND FOCUS IS NOW SET TO YOUR DVD PLAYER.DO A FINAL CONVERGANCE AND YOU ARE DONE!
IF YOU CAN'T GET A COLOR TO FOCUS YOU MAY HAVE TO DO THIS MANUALY. SOME TV'S YOU CAN LOOSEN THE NUT ON THE CRT LENS AND MANUALY FOCUS IT. (LIKE AN OLD CAMERA). IF YOU GET THIS FAR YOU MIGHT AS WELL CLEAN THE LENS WITH A VINEGER BASED GLASS CLEANER (SPRAY THE RAG NOT THE TV) TAKE A LOOK AT THE MIROR, CLEAN IF NEEDED. IF THE MIRROR IS REAL DIRTY THEN THE SCREEN MUST BE BAD TOO.TAKE THE SCREEN OFF AND CLEAN THE BACK SIDE IF NEEDED. LOOK INTO THE LENS AT THE PICTURE TUBE YOU SHOULD SEE A NICE BRIGHT CLEAN PICTURE IF IT LOOKS CLOUDY YOU NEED TO CHANGE THE LIQUID IN THE CRT GUNS.I DON,T THINK YOU WAN'T TO TRY THIS YOURSELF. TIP(I USE A LITTLE ARMOR ALL WHEN I CLEAN LENES, THIS REPELS DUST LIKE IN YOUR CAR) IF YOU CHANGE YOUR FLUID AND WANT TO KNOW WHERE TO GET NEW FLUID I PUT CLEAR ANTIFREEZE IN MY PIONEER TV 3YEARS AGO AND STILL LOOKS GREAT "NOT KIDING" HOPE ALL THIS YOU. IF YOU ARE NOT COMFORTABLE TO DO IT. HAVE IR SERVICE. REPAIRING THIS WILL BE YOUR BEST OPTION>THANKS

Jan 09, 2011 | Hitachi 51SWX20B 51" Rear Projection...

1 Answer

Lookslike the picture is in 3d and when i try ti use magic focus


Projection TV sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the video to look normal. When its out of alignment the video will look 3D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the TV menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired.

This is a very common failure on these projection sets and a fairly simple DIY fix. All projection sets including Samsung, RCA, Sony, Philip Magnavox, Panasonic, Pioneer, Akai, GE, JVC, Toshiba, and others at some point will have the same problem.

Common Symptoms include....
  • 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.
  • TV shuts off after powering on. Power light will blink. TV may also make a chirping noise.
Here are some photos of convergence problems.

42d3683.jpg

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Here is a quick test....

Using your original remote go-to the settings menu then goto the convergence section.

Try to adjust the red and then the blue convergence.

You should be able to move RED and BLUE in all directions - up, down, left, and right. And you should be able to get the grid straight.

If you can't move them in all directions or cant move them far enough your convergence chips are bad and should be replaced. This is a common problem.

Note: If you TV has as flash focus or magic focus button only try pressing the button. If it fails to fix the convergence your need to fix it. See below for a fix

69189a5.pngCONVERGENCE SOLUTION

You can see some more examples and find a fix using this link on Fixya http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Jun 02, 2010 | Hitachi 57F500 57" Rear Projection...

1 Answer

Hitachi 51-SWX20B Out of focus...tried magic focus and it stops on red. Tried manual focus but red lines won't move. How expensive is this going to be to fix. It is 7 years old and need to know if I...


YOU HAVE A CONVERGENCE PROBLEM. THE RED OUTPUT IS OUT. COMMONLY IT HAS BEEN FOUND TO BE THE DIGITAL CONTROLLER MODULE THET CAUSES THIS BUT THE OUTPUT IC SHOULD BE CHECKED FIRST

Dec 26, 2009 | Hitachi 51SWX20B 51" Rear Projection...

1 Answer

43fdx15b Hitachi 42in red vertical lines magic focus inop for red


This is a convergence output IC problem. convergence board would have to be removed - remove and replace 2 STK IC's and check the surrounding resistors.Shops usually charge from $200-$300

Sep 26, 2009 | Hitachi Projection Televisions

1 Answer

Will not show red color in picture, magic focus shows red though


You have a projection light element out. I had the green element go on mine. I had a service agreement so a repair tech changed it.

Feb 07, 2009 | Hitachi 43UWX10B 43" Rear Projection...

1 Answer

Only get red screen


Hello,

First of all Check Flash focus is working or not?(Flash focus should finish 1 full cycle)
If Flash focus not working you will have a error code in your screen.
If any error message or wont compelte full cycle you have problem with convergence amplifier IC
It could be one of your IC bad along with Couple of small Value resistor.

Dont Forget to Rate!!

Good Luck
Dals123

Oct 15, 2008 | Hitachi 61SWX10B 61" Rear Projection...

1 Answer

Magic focus, #5 Manual


Sounds like a Convergence IC problem, the convergence ics would need to be replaced. This can be done by yourself or a professional.

Jun 06, 2008 | Hitachi 57S500 57" Rear Projection...

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