Question about Hitachi 43FDX15B 43" Rear Projection Television

1 Answer

My magic focus does not work and I have seperated colors that distort the view

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STK ### issue

Posted on Jun 19, 2012

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5 Related Answers

ctf1800

Cary Farah

  • 4402 Answers

SOURCE: hitachi 51f500 magic focus

convergance amp ic bad

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

Posted on Dec 17, 2007

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Vista Electronics

  • 1694 Answers

SOURCE: 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.

Posted on Feb 04, 2008

Anonymous

  • 203 Answers

SOURCE: hitachi tv magic focus does not work

Your problem is the convergence circuit. This is very common in CRT projection sets like yours. There are a couple of IC's that need to be changed and possibly some resistors. A good repair shop will run you $400-$500 to do the repair.

Posted on Oct 28, 2008

SD Tech

SD Tech

  • 14553 Answers

SOURCE: 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--

REGARDS, SD TECH

Posted on Oct 02, 2009

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techman007

Lavell Turner

  • 1112 Answers

SOURCE: Hitachi 43fwx20b magic focus the 3 colors are not adjust.

First have the convergence IC's replaced these are the two large black IC's mounted on an metal heat sink.

Posted on Oct 24, 2009

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1 Answer

The tv will not automatically come into focus


U have pictures out of focus?Like pictures colors seperates in lines?Ur tv convergence are dead.U know how solders?Must replaced 2 STK convergnece ICS,and some or all it resistors.Tries websites Tv repair World.com,Tvrepairkits.com to buy a convergence kit to repair it ur self.The shop will cost u $300-350 for parts and labors.

Apr 04, 2010 | Hitachi 43UWX10B 43" Rear Projection...

1 Answer

Picture colors are seperated on my tv. the sound


Hi i did not want go to far whit this//
usely you will have to replace the convergence module there are 2 stk ic on it,and then use the magic focus button on the front panel/ if it not fix back your color alignement you will have to do manually whit the remote control.
but that needs some experience to do so...
hope that help ,its give a idea
have a nice day

Mar 18, 2010 | RCA D52W20 52" Rear Projection HDTV-Ready...

1 Answer

Picture is out of focus. Tried Magic focus - didn't work. Saw color grid; appears blue is out of whack.


There are two common problems with these sets.

Problem #1) Convergence

Symptoms:
  • 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...

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

Oct 18, 2009 | Hitachi 57SWX20B 57" Rear Projection...

1 Answer

51" sony projection with distorted pic and color


The convergence amplifiers are likely blown.
Fairly easy fix if you are good at soldering.
Search this site for convergence repair.
Dan

Sep 09, 2009 | Sony KP-51HW40 51" Rear Projection...

1 Answer

Magic focus will not reset or update.


Hi, your digital convergence unit has failed. you will need to replace this board asap.

Hitachi Part Number: CS00453R

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

1 Answer

Bottom left corner of my toshiba 65h83 is blurred with color distortion mainly magenta and green. Distortion Is a half moon shape with the open end facing the edge of the set. Total distortion takes up...


Have you tried the "Magic Focus" Button/Option in the Menu Setup Screen? If you have and it still is there, You Have a Burned out Color Tube. It is Cheaper to Throw it away and Buy a New one.
Good Luck..

May 12, 2009 | Toshiba 42H81 42" Rear Projection...

1 Answer

Split colors on screen


Replace the two convergence Ics they are STK392-110 if your model is the 53FDX20B you can get replacement Ics with installation instructions at the following link.
http://servicemanuals.vstore.ca/

May 11, 2009 | Hitachi 53FDX20B 53" Rear Projection...

1 Answer

Flash Focus does not focus the TV colors are seperated


if that doesn't work it will need new convergence IC's put in as well as a resistor or two

electech

Oct 29, 2008 | Sony KP-43T90 43" Rear Projection...

1 Answer

One half of picture is distorted


to create the total geometry in the tv is needed a system called Convergence.Convergence amplifiers are damaged in this unit, magic focus cannot work because magic focus works to level computer and controls the amplifiers damaged. this repair is for a technician because an adjustment is needed after the amplifier's replacement.

Oct 09, 2008 | Hitachi 61SBX59B 61" Rear Projection...

1 Answer

Loss of color picture


I have a blue-ish yellow ghost tint which just appeared on my 51" 51SWX20B made July 2002. Did the magic focus got a number 5 at the end. Did you get a number when you did the magic focus?

Dec 01, 2007 | Hitachi 51SWX20B 51" Rear Projection...

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