Question about Hitachi 51F500 51" Rear Projection HDTV-Ready Television

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The green line on the line up grid is sagin in the top center

Anyone have any ideas?

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Your symptoms sounds like a damaged convergence IC.

There are two and sometimes three very large IC’s that control the convergence in a big screen set. They are secured to a very large aluminum heat sink.

Most of the time you can just correct the convergence through the television menu. All that needs to be done is line up the blue and red to the green. If the colors do not move then there may be faulty components in the convergence circuit.

I hope this information allows you to resolve this issue.
If I have helped you, please help me, and rate this suggestion the highest FixYa rating. (Two Thumbs Up) If you cant rate this post with the highest rating, then please comment to this post and I will try to help you further.

Posted on Jun 22, 2009

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1 Answer

Green line down the middle of the screen


Often times this issue is caused by either a loose or damaged VGA cable. You can verify the issue often times by firmly wiggling the cable and watching to see if the line disappears. If that does not resolve the issue you will need to replace the monitor

Apr 23, 2009 | Computers & Internet

1 Answer

Filter grid alignment


First, I don't understand why I could not submit my question when the filter model I have was not listed in the drop-down of models. As I wrote in my question, I had to choose the wrong filter, JUST to get the question submitted. NOTE: This instruction is for Hayward DE filters. Mine is a DE 6000, but I believe the instructions apply to all sizes.

I did solve my question by:
  1. Place the grid manifold upside down on a flat surface. (Holes up, remove the air escape tube first.)
  2. Start with the SMALL filter grid(1 of 8) and insert it in the location hole to the left of the stand pipe inlet. (The LARGE hole in the manifold.)
  3. Continue inserting the remaining 7 filter grids counterclockwise into the location holes, with the tight curl of the grid going toward the center.
  4. The base plate (circular swirl piece) is now worked onto the filter grids, BEING SURE THE "CUT-OUT" FOR THE STANDPIPE ALIGNS WITH LARGE MANIFOLD HOLE, where the standpipe will be.
  5. I found working from the center outward, and giggling the plate as I progressed, the filter grid ends worked their way into place. You'll know it's in place when the plate feels solid and is parallel with the manifold. The filter ends will be in the correct notches and the grids will be symmetrical.
  6. Drop the stainless center rod (with washer and nut in place) through the base plate and into the hole in the center of the manifold.
  7. Holding the assembly together, by pressing the base plate and manifold together (with one finger on the rod), turn filter grid assembly over.
  8. Place washer, and tighten nut, on top of rod. Replace air escape tube and tighten clamp.
  9. Lightly lube the standpipe with Vaseline and place the filter grid assembly into the bottom filter housing.
  10. Lightly coat large "O" ring with Vaseline and place onto top lip of bottom filter housing.
  11. Place filter housing top on top of the filter housing bottom, being sure to create an equal size gap between the 2 pieces.
  12. Place the clamp ring around the seam and tighten both screws until the springs are completely compressed. (There will be a slight gap between the clamp ring halves.)
  13. Fire up the pump, add fresh DE through the skimmer return line to the filter, and enjoy your pool.

Mar 19, 2009 | Hayward Easy Clear 40 Sq Ft Cartridge Pool...

1 Answer

Convergence all over the place


youll have to have a professional look at it

Sep 13, 2008 | JVC AV-65WP74 Rear Projection Television

1 Answer

More Convergence Issues


They are definitely a part of the convergence circuits. A variable resistor increases resistance as they warm up. So excessive heat destroys their capacity to perform as was designed and you will continue to have issues until all components are within 5% tolerance levels. Hope this helps. let me know if you need anything more for information.

Feb 03, 2008 | Samsung HCL4715W 47" Rear Projection...

4 Answers

Pioneer sd-643hd5 rear projection 64" tv has green geometry grid problems


http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html
Sony Convergence
http://www.techlore.com/blog/entry/19694/Sony-Convergence-Repair-My-Sony-TV-has-a-distorted-picture-/
http://www.techlore.com/article/19631/Sony-Convergence-Procedure/

Jan 25, 2008 | Pioneer SD-643HD5 64" Rear Projection...

2 Answers

Green Pillow after Conv ICs replaced


did you check the resisters? also there is a reset that youcan do on the remote, go to this site:
http://www.digitalhome.ca/forum/showpost.php?p=564268&postcount=220
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html

Dec 05, 2007 | Toshiba 55H70 55" Rear Projection...

2 Answers

Warped Picture, Separated colors


Each color (red,green & blue) has an amplifier IC (STK-).
When there is a convergence issue,the first step is change both
IC's for reliability. Then check for open fuses devices,usually
pico fuses.Then re-check convergence alignment.......T.

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1 Answer

Toshiba 43H70 convergence


You will have to contact toshiba at 1-800-457-7777 and get a service manual to adjust the on board menu and adjustment.. I do not or ever ever recomend that an unexperienced person mess with the sets alighnments unless they have the service manual and understand all of the teminology as I've seen several sets that cost the customer 4 times what it would have if they didnt mess with the service menu and knock all the alighnments as this is not the time to adjust someting just to see what happens.

Apr 08, 2006 | Toshiba 43H70 43" Rear Projection...

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