Question about Hitachi 43FWX20B 43" Rear Projection Television

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Hitachi 43fwx20b I'm having blue arch shape going from one side of the top of the tv as well as on the bottom 1/4 of the screen. Magic focus does not work and when I try to do it manually the grids I think should line up and appear as white lines, well I can do this on the vertical line but cannot on the horizontal lines.

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  • billings4 Jun 12, 2008

    The vertical amp is failing on my Hitachi 43FWX20B,(its not under warrany and the tv is 5 years old)the tech said to get in touch with a tv tech that is qualified. is it something that we can fix on our own?

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  • 2,712 Answers

Your vertical amp is failing and you will have to get it replaced. If your TV is under warranty, i suggest contacting the shop or manufacturer and get it fixed/replaced.

If not, then you will need to contact a qualified TV repairman to replace the vertical amp for you, as i wouldn't recommend opening the TV set to try a DIY..

Hope that helps. Should you have any further queries, pleas post back, and I will try to assist you as best I can..

Posted on Jun 12, 2008

  • Swilin Sampson
    Swilin Sampson Jun 12, 2008

    If you have prior experience repairing TV's, you can attempt it. However, beware that there are voltages inside your TV set that can kill, even if unplugged.

    You will require a service manual to guide you. You can find one here:
    http://servicemanuals.vstore.ca/

    If you found the solution useful, kindly take a moment to "Accept" my solution.


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2 Answers

Hitachi 43fwx20b Convergence Problems


These sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the picture to look normal. When its out of alignment the video will look 3-D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired.

Convergence problems are very common on all Projection TV sets including Sony,Samsung, JVC, Philip Magnavox, Panasonic, Akai, Pioneer, Hitachi, Zenith, and others. You can get a convergenece repair kit wiith instructions from the links below.

Here are some of the most common problems with these sets...

Problem #1) Convergence

Yours may have one or more of the following symptoms
  • Screen Looks 3-D
  • Colors wont align
  • Screen may look distorted or warped
  • No Audio/Video - makes a chirping sound.
Problem #2

Another common problem is dull or washed out video.
Your TV may have one or more of the following symptoms....
  • Dull looking picture
  • White looking picture
  • Halos around objects
  • Red/Orange looking picture

You can see some more examples and find a fix here
bb0cf99.pnghttp://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Feb 25, 2010 | Hitachi 43FWX20B 43" Rear Projection...

1 Answer

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.

Oct 24, 2009 | Hitachi 43FWX20B 43" Rear Projection...

1 Answer

Can't set red convergence on 65" Hitachi


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

Dec 24, 2008 | Hitachi Director's Series 65XWX20B 65"...

1 Answer

Hitachi 43fwx20B


Good Day, firstshot;

This is a common problem with this TV, but there is an upgrade to correct the CONVERVGENCE circuit problem.
If you want to repair this concern yourself: Contact: B&D ENTERPRISES,
1-800-458-6053, www.bdent.com and ask for KIT10 for your Hitachi TV.
If you want some else to do the repair for you call an Authorized Service Center.
Good Luck, big IRISH.

Aug 08, 2008 | Hitachi 43FWX20B 43" Rear Projection...

3 Answers

HITACHI 43UWX10B Color Convergence


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.

Apr 28, 2008 | Hitachi 43UWX10B 43" Rear Projection...

1 Answer

Blue and yellow curb on top of my 43" hitachi


KIT10 $29.50
Repair Kit for Hitachi convergence Chassis DP-14G
KIT10 Includes 2 pcs STK392-150 , 1 each of the following 1W axial lead fusible resistors:


http://www.digitalhome.ca/forum/showpost.php?p=564268&postcount=220
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html

Oct 14, 2007 | Hitachi 43FWX20B 43" Rear Projection...

1 Answer

Horizontal hour glass picture


The convergence Ics need replaced. In Hitachi, resistors and sometimes a coil needs replaced as well. The convergence/deflection PCB is available, but, the cost of that board is higher than having a servicer come to your home and repair the unit to component level. If you are not familar with this circuit, then call a servicer. Have them replace both ICs not just one. Make sure they are repairing to component level and not replacing the board. Hope this helps.

Dec 16, 2006 | Hitachi 43FWX20B 43" Rear Projection...

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