Question about Hitachi 53FDX20B 53" Rear Projection Television

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Hitachi 53fdx20b has yellow line on top and bottom an well as blue, all color if off. What is the problem and how much would it cost to get fixed or can I fix it myself?

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Steve Jones

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It sounds like a convergence problem and is typical for many projection sets.

Parts cost would be under 25 dollars.

The repair consists of getting at and replacing two convergence chips and being able to solder is also involved as they have 18 pins each chip.

Let me know your skill level and I would be happy to help.

Posted on Nov 14, 2011

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My Hitachi has a blue and yellow swirl band at the top and bottom of screen

Tv have a problems known as a convergence problems,it dead.The tv colors lines R,G,B mis alignments,have colors shadows pictures or 3D pictures look alike?Yes.Than the tv convergence board is dead.The tv convergence board must be replace 2 STK convergence ICS and some or all of it resistors too.To fix the tv convergence board to solved the tv convergence picture problems.The shop,will cost u like $300-350 for parts and labors.
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This problems is known as a convergence problems,it dead.The R,G,B colors lines mis alignment,have colors shadows or picture look like 3D pictures.The tv convergence board,it dead.Require,must be changes 2 STK convergence ICS and some or all it resistors to solved tv convergence picture problems.The shop,will cost u $300-350 for parts and labors.
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I have the Hitachi 53FDX20B Manufactured in October 2002. It had the convergence problem where the upper left corner was a mixed up coloring and kind of a wavy line that didnt move. Color correction...

You need to replace both of your convergence ICs STK392-110s
use 120s Mats has them 1-800-628-1118 Check Low ohm resistors near ICs 1.8ohms 3.9ohms 2.7ohms etc... RK48 RK50 RK54 RK58 RK60.
On front of convergence board is a blue contact switch this is how you enter convergence pattern R/G/B to adjust convergence,
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I have a hitachi 53fdx20b and the red and green colors line up fine, but the blue is droopy at the top and doesnt line up elsewhere, any help?? :)

Ur convergence is dead.U know how to solders?Try this website,Tv repair World.com.to buy a convergence kit,replace what in that kit.
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Hitachi 53fdx20b and it has a wave acrost the top

Yes - You will need to either remove the circuit board or lift up the tray. If you are not sure how to do it yourself read the link below.

  • This is a very common failure on Projection TV sets.
  • Screen looks 3D
  • Colors don't line up
  • One or more colors can't be adjusted when using the convergence menu.
  • Screen is bowed or warped.
You can see some example photos and find a solution here...

http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull
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Color convergence "whacked out"/blue shadow to right side

Your TV most likely has a convergence failure. ( common problem )

Here are some of the most common symptoms and example photos of a convergence problem


  • Screen looks 3D
  • Colors don't line up
  • One or more colors can't be adjusted when using the convergence menu.
  • Screen is bowed or warped.
Here are some photos of convergence problems.

3dc9420.jpg
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0dcec37.jpg
Here is a quick test....

Using your original remote go-to the tv settings then goto the convergence section.

Try to adjust the red and then the blue convergence.

You should be able to move them up, down, left, and right.

If you can't move them in all directions your convergence chips are bad and should be replaced. This is a common problem.

0667c5f.pngSOLUTION

You will need to replace the convergence chips and possibly some convergence resistors and pico fuses. Its a fairly easy DIY job or you can call in a pro. If you want to do the repair yourself check the site www.TvRepairKits.com. Their kits include a photo instruction guide, original OEM Sanyo STK chips, convergence resistors, pico fuses, thermal paste, email/phone support, etc.
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Good Day,

Sounds like the TV's convergence circuit has failed:
*Call an Authorized Service Center and them give you an estimate cost of the repair, or
*Repair it your self; get KIT 10 locally or B&D Enterprises
1-800-458-6053; www.bdent.com.
Good luck, big IRISH.
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