Question about Hitachi 53UDX10B 53" Rear Projection Television

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The red square on the digital array alignment is moving up and down,but now side to side

Hitachi 53UDX10B 53

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Re: the red square on the digital array alignment is...

Convergence ic bad

Posted on Jan 09, 2008

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How do I aling colors: the red and blue colors are not align making the tv look distorted.

On my Hitachi there's a convergence button on the front panel. Press that button which will give you red & blue lines. You have to use your remote to converge (align) those lines to correct the picture. If the lines won't converge I've been told it could be a bad convergence IC & tech is needed to fix...could be approx $300 to fix.

Jan 02, 2010 | Hitachi 53UDX10B 53" Rear Projection...

1 Answer

Broken screens on 53'' Hitachi rear-projection TV

I think it would likely work if you trimmed it evenly around the sides in order to maintain the central position. Focus may have to be adjusted but thats all.

Oct 25, 2009 | Hitachi 53UDX10B 53" Rear Projection...

1 Answer

I can't align red or green bulbs with the digital array, how can I get them to move left/right they only move up/down.

There are two common problems with these sets.

Problem #1) Convergence

  • Screen Looks 3D
  • Colors wont align
  • Video may look distorted
Problem #2 CRT Fluid has clouded over. Symtoms
  • Dull looking video
  • White looking video
  • Halos around objects
  • Red/Orange looking video

You can see some examples and find a fix here...


Oct 25, 2009 | Hitachi 50UX57B 50" Rear Projection...

1 Answer

Unable to align red crosshairs in horizontal range

No there are no quick fix options for this fault. The convergence amplifiers operate similar to a high power audio amplifier, so if there is an impairment anywhere in the system, it will result in distorted audio, or in the case of television convergence amplifiers, one or more colors won't align. The convergence power pacs need to be replaced and the out of tolerance precision resistors located near the power pacs need to be carefully checked and replaced as necessary. And the power supply fuse links to the power pacs checked and replaced as needed.

It is also possible that there are root faults that cause the amplifiers to go bad which include bad connections or a bad digital control module. This repair is possible for anyone having basic electronics knowledge and soldering skills. After the above repairs are performed it may be necessary to perform the static convergence realignment procedure using the outer cross hairs as you mentioned, and realigning them.

Apr 23, 2009 | Hitachi 53UDX10B 53" Rear Projection...

1 Answer

I have too much red and double lines

set the convergence that should take care of the double lines, as far as too much red that sounds let your red bias is being driven to hard
behind the speakers and the cover board you will find 3 knobs one of the knobs I believe the one on the left but it is labeled anyway that needs to be turned down ever so slightly and I mean slightly if you go to far up then it will shut the TV off and it may or may not come back on. so be careful when doing this

Jan 15, 2009 | Hitachi 53UDX10B 53" Rear Projection...

1 Answer

Hitachi 53" projection (53UDX10B) line across screen

Replace STKS also it is a 6 hour job if you have to do a complete realinement of convergence so do not clear DCU ram module.

Nov 27, 2008 | Hitachi 53UDX10B 53" Rear Projection...

1 Answer

Colors are out of alignment

There is an alignment mode that you can get to. You must take off the back cover and look for the alignment switch I suggest that a tecnician do this because he has the propper tools and knowledge. If just an allignment is all it needs it should not cost that much. You have to try not to move this type of tv around because it is very sensitive and the slightest bumb can send it out of wach.

Nov 17, 2008 | Hitachi 53UDX10B 53" 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

Red double

Bad solder connects in convergence circuit...a solid fix is to
replace STK392-110 convergence IC's with upgrade STK394-160
Part # CZ 01341... you need two.....or buy kit # X480295 ( one )
Look for any damaged resistors near IC's.............T.

Dec 16, 2007 | Hitachi 53UDX10B 53" Rear Projection...

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