Question about Hitachi 46F500 46" Rear Projection HDTV-Ready Television

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46F500 Hitachi --

Smell of burnt electronics then a wave like red line on upper left and lower right -- cannot find a tech in our area -- is it worth to fix ? If so what part or board should be replaced -- and where can i get them ?

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Have a 46f500 hitachi projection television. Started out with a blue reversed arc hanging down on upper right. Now images are not focused, and red, blue and green are layered. Double images. I looked...


It is a convergence problem and set uses two of the STK-392-150 CHIPS. Both will have to be replaced and the set adjusted.

for more information let me know if you can solder and your skill levels.

SD TECH

Jan 11, 2011 | Hitachi 46F500 46" Rear Projection...

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There is a wave in the picture only in the upper left hand 1/4 or the screen. The rest of the screen is sharp. You get the colors separated and thus double image.


Projection TV sets have several common problems listed below.

Problem #1) Convergence

Symptoms:

  • Screen Looks 3-D
  • Colors wont align
  • Screen may look distorted
  • No Audio/Video - makes a chirping sound.
Example Photo:
5f6e85c.jpg
Problem #2 CRT Fluid has clouded over.

Symptoms


  • Dull Video, Washed out
  • White/Bright looking video
  • Halos around objects
  • Red/Orange looking
Example Photo:
ee1ca68.jpg

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

bb0cf99.pnghttp://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Mar 23, 2010 | Hitachi 46F500 46" Rear Projection...

1 Answer

I have a Hitachi 46F500 tv and the red crt bowed


I just had the convergence replaced and have a great picture

Aug 16, 2009 | Hitachi 46F500 46" Rear Projection...

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Hitachi 46f500 convergence?


a common problem wich i also have with convergence with blue and red convergence.
the image converge amplifiers are burnet out wich in turn blow out resisters that control individual color convergence.

Jun 19, 2008 | Hitachi 46F500 46" Rear Projection...

1 Answer

Hitachi 46f500 screen messed up after welding on same circuit


If you did manual conv. You have to redo it when you replace the bad parts. Them being conv. ic's replace them and check 1/4 watt resistors that are low value right beneath amps. Careful not to solder any foil pads together or you will have major problems. Very common for do-it-yourselfers. Good luck, Russmann.

Jun 15, 2008 | Hitachi 46F500 46" Rear Projection...

1 Answer

Hitachi HDTV Model 46F500


You have two bad convergence integrated circuits and possibly an open resistor or two in the supply.

Mar 04, 2008 | Hitachi 53SDX01B 53" Rear Projection...

1 Answer

Hitachi HDTV Model 46F500


replace convergence amp ic
http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html

Jan 10, 2008 | Hitachi 46F500 46" Rear Projection...

1 Answer

Convergence


Replace convergence IC's.
RE-check alignment

Oct 23, 2007 | Hitachi 46F500 46" Rear Projection...

1 Answer

Convergence


The convergence output IC's are bad. Need to call a service shop.

Sep 04, 2007 | Hitachi 46F500 46" Rear Projection...

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