Question about Hitachi 43GX01B 43" Rear Projection Television

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Hitachi ultrascan hd 42 in

Poor color quality and shadow/double image

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  • grosschef Aug 04, 2008

    Can I do it myself? Where can I get detailed instructions?

  • mom4299 Dec 12, 2008

    I have the same problem and cannot solve this on the convergence. So if this is common, and this should not happen if a television is only 5 years old, Hitachi should repair this. Not the consumers. Hitachi should ship out the components and have a service manager come out to repair the problem. This does not give a consumer confidence to purchase another Hitachi product.

    One invests a sum of money, thinking this to be a good investment and product. Then the consumer is left high and dry in a small number of years.

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  • 84 Answers

The problem you are facing is a common problem in all rear projection TVs. It's called convergence. If you go into your menu there is an adjustment for it. if it doesn't move back into alignment then you have a more serious problem in the convergence circuit which will require replacement of components.

C-Dog

Posted on Feb 10, 2008

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Poor viewing quality


By poor color quality, do you mean that if you turn the color control all the way down, the black and white picture is more like black and red, green or blue - or do you have a good black and white image? If the B&W image is good, and the TV is an old (8+ years) one, maybe the mirror inside the set needs a good cleaning - especially if there are smokers in the room. If you have a B&W picture that is tinted, then you may have to go into a service menu to adjust it back to a better picture. Hard to guess the problem without more specific description of symptoms.

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Hi, im having picture quality problem. kind of a blue shadow mixed with a little orange mostly on top of the screen. you see double of the image in a shadow haze. should I junk this tv or is there a fix...


No,this tv it is fixable and still can be in used for many more years to come.This tv have a problems known as a convergence pictures problems,it is dead.Tv problems have any colors lines R,G,B mis alignments,have colors shadows pictures or 3D pictures look alike?Yes,than the tv have a dead convergence board to causes this problems.Must have the tv convergence board to be repair like replacing 2 STK convergence ICS and some or all of it resistors too.To fixed the tv convergence board to solved the tv convergence pictures problems.The tvs shops will cost u like $300-350 for parts and labors.

Aug 16, 2011 | Hitachi 57F500 57" Rear Projection...

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Tv suddenly started being blurry with red double images real bad in top half of screen. its a hitachi ultrascan hd about 10 yrs old.


You need the convergence ICs replaced they are soldered in so its very technical , a repair shop will charge between $230 and $400 to replace them. you can try the autofocus or manual adjustments, but probably need the ICs and possibly a few resistors too.
(2)STK392-110 or kit # X480293 comes with 2 ICs and some resistors
gd lk
Eric

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Hitachi 53" rear projection is losing its picture.


If you are not experiencing any shift in colors, it sounds like the power supply is failing since this will affect all three colors.

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1 Answer

Hitachi 42" Wide Screen TV - color seperation, double images


Replace Both of your convergence ICs they are big black ICs and ck resistors RK4246,50,54,58,62 i have the values if you need them they are 1.5ohms up to 3.9ohms.ICs will have STK392-110s if this is the number on yours upgrade to 180s

Feb 19, 2009 | Hitachi 43GX01B 43" Rear Projection...

1 Answer

53 Hitachi Rear Projection TV with shadows and double images


Does the magic focus work on your set ?

If it doesn't you must replace the convergence Ic's with a kit that is available through your local parts distributor

You must replace all resistors in the kit
If you are not good at soldering and de- soldering have a local tv shop do it for you

Good luck

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

1 Answer

HITACHI ultrascan hd tv....


Convergence amp ic bad
http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html
http://www.hdtvoice.com/voice/showthread.php?t=28929
Or send to ptscorp.com
http://www.hdtvoice.com/voice/index.php?s=
good luck
please mark the post with a fixya

Feb 24, 2008 | Hitachi 43UWX10B 43" Rear Projection...

1 Answer

HITACHI 42 INCH HD


Convergence Amp IC issue....originals are STK392-110..replace
W / upgrade Stk394-160E Hitachi part # CZ 01341 and check nearby resistors for overheating............................T.

Jan 07, 2008 | Hitachi 43UWX10B 43" Rear Projection...

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