Question about Hitachi 57F500 57" Rear Projection HDTV-Ready Television

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Out of focus

It looks like it is showing a double in red. Magic Focus doesn't help. It stays on the red during magic focus and then stops and a little green 5 shows up in the bottom right hand corner.

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Re: Out of focus

Rach, if it doesn`t move from green to red to blue in Magic Focus then there is a problem with the convergence IC`s and probably one or more support resisters. These components will have to be replaced, questions? ask away, BMW Rider

Posted on Dec 14, 2007

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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

Double picture...not focusing right

maybe parts inside is worn out. causing the blurrines. just consult to your service center.

Jun 19, 2010 | Hitachi 43UWX10B 43" Rear Projection...

1 Answer

Goes through magic focus than in the middle stops and displays #5

This is a common problem. Its called a convergence failure.

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...


Feb 19, 2010 | Hitachi 46F500 46" Rear Projection...

1 Answer

Colors are not aligned Magic focus ?

The magic focus will stop if there is a bad sensor and or a problem in the convergence circuit.

This set uses two STK-392-110 convergence chips--both along with any of the resistors that protect them need to be replaced and the set adjusted--I have repaired hundreds of these sets----

Confirm model number----and if you go into the customer menu and either red or blue will not move in any or some direction--the chips have to be replaced---LET ME KNOW WHAT YOU FIND AND I CAN GIVE YOU FAIRLY DETAILED INSTRUCTIONS ON WHERE TO GET THE PARTS AND WHAT IS INVOLVED IN THIS REPAIR.

I am here to help people--


Oct 02, 2009 | Hitachi 43UWX10B 43" Rear Projection...

1 Answer

''Magic Focus'' doesn't fix ghosting problem


Aug 28, 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...

2 Answers

Hitachi 51G500 big screen rear projection tv

Is this a new television? Under warranty? You need a service call.

Aug 07, 2008 | Hitachi 51G500 51" Rear Projection...

2 Answers

Model 53fdx20bv2f012705

I have the exact same just explained it a hell of a lot better than me. In the magic focus was red broken up, blurred and flashing as well as only 3 bars???
If you solved your problem could you please get back to me.
Thank you

Apr 16, 2008 | Hitachi 53FDX20B 53" Rear Projection...

2 Answers

Magic Focus does not work.

Convergence issues usually resolved by changing convergence output amplifier IC's.....Original STK392-110 should be replaced
with upgrade Stk394-160E Hitachi part # CZ 01341,change both
for reliability.....check B+ feed resistors for over-heating....T.

Feb 04, 2008 | Hitachi 43UWX10B 43" Rear Projection...

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