Question about Hitachi 50DX01B 50" Rear Projection Television

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Hitachi 50FX20B convergence problem

I have Hitachi 50FX20B with convergence problem. I'm trying to find a convergence kit, but can't find it. So I need the value for the resistors R42, R46, R50, R54, R58, and R62. Can anybody help me on this? Thanks in advance.

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  • fgunawan Jul 23, 2009

    Thanks Slinteriors! I changed the resistors & ICs today. It works. I got STK392-150 to replace STK392-110. Someone in one forum I visited recommend STK394-160, but couldn't find it anywhere. Thanks again!

  • Anonymous Mar 15, 2014

    Don't have the original control so I cannot access to the setup menu, wich universal control can be programmed to do this.

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  • Hitachi Master
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RK42 is 2.7 ohm 1watt
RK46 &RK54 are both 2.2 ohm 1watt
RK50 & RK62 are both 3.3 ohm 1watt
RK58 is 3.9 ohm 1watt
They are all metal film (flameproof) 5% resistors

Posted on Jul 20, 2009

  • Sonny Berry
    Sonny Berry Jul 24, 2009

    Youre welcome, Glad that I could assist you.

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HOW DO YOU CLEAN THE SCREEN ON A HITACHI 50FX20B MADE IN DEC. 2002

Posted on Feb 13, 2011

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6ya6ya
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Posted on Jan 02, 2017

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1 Answer

50FX20B- I am trying to allign the digital array and cant get the red to move,how do I move it? (the blue WILL move)


Hello,
Please replace convergence output chips in tv to solve the problem. It requires good soldering skills/ expertise and click to buy convergence repair kit for this tv that has all required parts and instructions.
Hope this will help.
Thanks.

Jun 11, 2011 | Hitachi 50FX20B 50" Rear Projection...

1 Answer

Colors converge will not adjust. What can be done?


Xpertis,
When the convergence will not adjust after you know you have set them correctly using your TV's convergence adjustment, your convergence board went bad. You can either repair it yourself with kits sold online (links below) but unless you know how to solder very well, opt for a repair guy. Your model will cost between $350 and $450 if you hire someone.

http://www.tvrepairkits.com/xcart/product.php?productid=20095&cat=0&page=1

http://servicemanuals.vstore.ca/product_info.php/pName/hitachi-dp-14g-43uwx10b61uwx10b-convergence-repair-kit/cName/convergence-repair-kits

http://servicemanuals.vstore.ca/product_info.php/pName/hitachi-dp15-convergence-upgrade-kit/cName/convergence-repair-kits

If you like to tinker but not dwell into the soldering world, try finding the same model for free or dirt cheap on a web site like www.craigslist.org that still works but like where a kid jumped into the screen!, and swap out the board.

Good Luck!

-Chris

Sep 07, 2010 | Hitachi 57F500 57" Rear Projection...

1 Answer

Doesnt line up anymore words are kinda slanted


Your convergence Integrated Circuits (IC) are going bad which is a common problem for all Projections no matter what brand. Can be fixed by your local repair shop for no more then $250.00

Jan 20, 2010 | Hitachi 50FX20B 50" Rear Projection...

1 Answer

Wattage


1 watt,Service Manual I have says RK42 3.3ohms RK46 1.8ohms RK50 2.7 RK54 1.5 RK58 3.9 RK62 2.2

Dec 30, 2009 | Hitachi 50FX20B 50" Rear Projection...

1 Answer

The colors don't line up on my projection tv, what


U have convergence prob.it dead.Tries these websites.Tv Repair World.com,Ebay.com to buy a convergence kit,repair what in that kit.U know how to solder right?

Oct 03, 2009 | Hitachi 50FX20B 50" Rear Projection...

1 Answer

My 50DX20b will not power on...


The convergence amp IC's are bad (STK 392-110) Replace with the Sanyo Type STK 392-120. Also check for burned resistors in that same circuit. Check them with an ohm meter to be sure because sometimes they look OK by appearance .

Jul 29, 2009 | Hitachi 50FX20B 50" Rear Projection...

1 Answer

Sometimes after the my TV is one for 20 mins or so the screen warps, shooting white/pink/green lights across the top and bottom of the screen and placing a horizontal black line at the bottom like hal


Your TV most likely has a problem in the convergence circuits. ( 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.

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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.

May 19, 2009 | Hitachi 50FX20B 50" Rear Projection...

1 Answer

Hitachi 50FX20B 50 inch: Blue Convergence --will not adjust


You need to change convergence amplifiers. Should be no problem for a professional

Apr 08, 2009 | Hitachi 50FX20B 50" Rear Projection...

2 Answers

Hitachi 50fx20b


convergance iC needs to be replaced.
http://serviceman.site88.net

Jun 02, 2008 | Toshiba 55H70 55" Rear Projection...

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