Question about Hitachi 53UDX10B 53" Rear Projection Television

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Top left of tv swoops down, red and green

Can it be adjusted? please help!

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This is the convergence IC's that will need replacing and the resistors on them will need to be tested
here is an example of the convergence IC's http://www.nteinc.com/specs/7100to7199/pdf/nte7178_81.pdf

Posted on Dec 10, 2008

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2 Answers

I have a Mitsubishi 55"


This set has a convergence problem. You should only need to replace the IC. Part is STK393-110. It sits on the middle board behind the large heatsink. Use a heat transfer compound to ensure repair lasts. If you have no experience soldering (or unsoldering) please use a professional for the work. The traces are fragile and I have fixed many mistakes local DIYers have committed. Goodluck.

Jan 20, 2011 | Mitsubishi WS-55511 55" Rear Projection...

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Sony kds-r60xbr2 televison


Make sure that you do not have a magnetichc feild around the TV.

Sep 06, 2008 | Sony KDS-R60XBR2 Television

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We got a free hitachi projection tv that i believe has a bulb malfunction. on the left half of the screen has a red shadow we cant afford a hundred dollars for an estimate then whatever the price of the...


You might need to adjust the red screen drive control, turn the Red down and see if that clears it out. Sounds like the Red Tube is over driving the Green and blue Tube.
Find the Focus and screen control block there will be 3 controls on Top 3 right under them R-G-B they adjust the Focus to each tube and screen drive for each tube. also you need to clean the lenses off top of each tube they get dirty and dusty and it would help to clean the mirror

Sep 13, 2010 | Hitachi 53FDX01B 53" Rear Projection...

1 Answer

There is a yellow ''swoop'' in the upper left portion of the tv and shadowing. The ''magic focus'' does not resolve the problem. When I try to adjust manually, the grid shows arched lines (''swoops'' along...


Hi,
Sounds like you have a bad convergence circuit, it's what lines up your picture so the colors are correct. Most brands (excluding RCA) use the same basic design. There are 2 big ICs called STKs that normally fail, some resistors or fuses may also go. Its about $300-$400 bucks to have someone repair it. If you want to try it yourself, this link TVrepair will take you to a site that sells kits with the parts and step by step instructions on how to fix it. Good luck

Mar 06, 2010 | Projection Televisions

1 Answer

The rca 52 inch tv turns on with picture but the images are in split in three with red green and blue and theres about five lines that swoop down and up to the top of tv ?


the ITC222 and ITC222A convergence option missing repair kit from www.tvrepairworld.com usually repairs that issue. The kit contains the parts and the CD with instructions

Oct 30, 2009 | RCA D52W19 52" Rear Projection Television

1 Answer

Distorted screen


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.

Convergence problems are very common on all Projection TV sets including Sony, Samsung, JVC, Philip Magnavox, Panasonic, Akai, Pioneer, Hitachi, Zenith, and others. You can get a convergenece repair kit from the link below.

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 - TV may also make a chirping noise.
Here are some photos of convergence problems.

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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.

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 solution

93a1209.pngCONVERGENCE SOLUTION

You will need to replace the convergence chips and possibly some convergence resistors and pico fuses.
This is a a fairly easy DIY job if you know what you are doing. If you have never done this before we would advise calling a shop or if you want to do it yourself get a complete kit with instructions and support from www.TvRepairKits.com

Sep 10, 2009 | Samsung HL-R4264W 42" DLP HDTV

1 Answer

Curved red image on 46" Akai rear projection TV


Yes! an idea that the flyback transformer is shot!


Please rate our help to keep the free service online

Aug 29, 2009 | Akai PT4298HD Rear Projection Television

1 Answer

Green wave on left top and center top in my 43FDX11B TV


replaced both convergence ics in the tv.also check for open resistors near the convergence stk ics.

Jul 17, 2009 | Hitachi 43UWX10B 43" Rear Projection...

1 Answer

RED AND GREEN DOUBLE AND BLUR PICTURE HELP PLEASE


You have a convergence problem. Components are shorted out and must be replaced. Unless you're a technician, there's really nothing you can do at this point.

C-Dog

Feb 03, 2008 | JVC AV-56WP74 56" Rear Projection...

1 Answer

Swoop of red coming down from left


KIT10 $29.50
Repair Kit for Hitachi convergence Chassis DP-14G
KIT10 Includes 2 pcs STK392-150 , 1 each of the following 1W axial lead fusible resistors:


http://www.digitalhome.ca/forum/showpost.php?p=564268&postcount=220
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html

Nov 05, 2007 | Hitachi 53FDX20B 53" Rear Projection...

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