Question about Hitachi 46F510 46" Projection HDTV

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I have an Hitachi 46F510. The picture is blurry. Mostly when words are on the screen (i.e. the menu).

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  • Hitachi Master
  • 8,457 Answers

The convergence is dead.U need a convergence kit.These websites have it.Tv Repair World.com and Shopjimmy.com.Buy the kit with ur tv model and fix it.

Posted on Sep 10, 2009

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1 Answer

Hitachi projection tv 46F510 picture and sub title are blurry but the colors seem ok ?


Try turning the contrast (picture) down and see if helps--if contrast is too high this will happen and be normal.

Nov 30, 2012 | Televison & Video

1 Answer

My hitachi 46f510 rptv has a dark and blurry picture


there is a focus setting in the back pannel you need to open the back and look inside for it

Jan 06, 2011 | Hitachi 46F510 46" Projection HDTV

1 Answer

My hitachi 46f510 picture is dark and blurry any suggestians


All projection TV sets have two very common problems. One is convergence ( 3D/Warped video) the other is CRT fluid ( Dull Video). Here are more details and solutions for both.

Common Problem #1) Convergence has gone out

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

This is a very common failure on these projection sets and a fairly simple DIY fix. All projection sets including Samsung, RCA, Sony, Philip Magnavox, Panasonic, Pioneer, Akai, GE, JVC, Toshiba, and others at some point will have the same problem.

Common Symptoms include....

  • 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.
  • TV shuts off after powering on. Power light will blink. TV may also make a chirping noise.
Here are some pics of convergence problems.


7859b01.jpg

e87380c.jpg

Common Problem #2) CRT Fluid is Cloudy

Projection TV tubes have a liquid coolant that is used to keep them from overheating. After many years the coolant in the blue and green tubes will become cloudy and cause the screen to look dull, red/orange, etc. You may even see halos around images.

Picture of a set that needs the fluid changed.

578ba6c.jpg
TV set after fluid change

65af323.jpg

69189a5.pngSOLUTION

You can see some more examples and find a fix using this link on Fixya http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Jan 06, 2011 | Hitachi 46F510 46" Projection HDTV

1 Answer

The screen especially words and numbers are blurry


hi there
there could be 3 cause to your problem
1= misconvergence
2= crt are weaks
3= out of focus
both can be ajust but dont try the auto focus
it is simply not working
convergence in menu
focus in back of front cover small block with
2 rows of controls look for focus and ajust for picture for sharper

Sep 30, 2010 | Hitachi 57G500 57" TV

1 Answer

Lights in t.v


no picture on my hitachi 46f510 46 in. rear projection t.v

May 13, 2009 | Televison & Video

1 Answer

My hitachi 46f510 has a blury picture. i cant even read the words on the menu..


Your TV most likely has one or more possible problems.

Problem #1: Convergence Chip 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.
701cb04.jpg
77ea520.jpg
f0900cb.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.

2c07611.pngSolution #1

You need to replace the convergence chips and convergence resistors. Check the site www.TvRepairKits.com. They have put together a kits for most models. If you don't see a kit for your set send them a quick note and they will put one together for you. Their kits include a photo instruction guide, original OEM Sanyo STK chips, convergence resistors, pico fuses, etc.


Problem #2 CRT Fluid is Cloudy

Projection TV tubes have a liquid coolant that is used to keep them from overheating. After many years the coolant in the blue and green tubes will become cloudy and cause the screen to look dull, red/orange, etc. You may even see halos around images.

Picture of a set that needs the fluid changed.

578ba6c.jpg
TV set after fluid change

65af323.jpg

2c07611.pngSolution #2


What you will need to do is replace the coolant and clean the crt. You can get a repair kit from www.TvRepairKits.com that includes replacement coolant, photos. instructions, etc.

Apr 11, 2009 | Hitachi 46F510 46" Projection HDTV

2 Answers

How do adjust verticle picture on Hitachi 46F510


You can adjust vertical height through the service menu, but i would recomed that you trouble shoot the vertical section as its probably a solder joint , leaky diode or something that is causing the problem. Often its bad solder at the vertical output IC itself that causes that sympton.

Apr 09, 2008 | Hitachi 46F510 46" Projection HDTV

2 Answers

Dark , blurry picture


MTNESTR, My guess would be the FBT loc.TH01(flyback transformer) Hitachi p/n#BW03004 which would be far less expensive than replacing the entire deflection board... A shop could ring test the FBT to confirm the failure. I do know the FBT in this unit has an internal resistor that is prone to failure. It is in-line with the focus block and if it's open it would explain the blur and lack of screen voltage to light the crts properly. The deflection board is about $290-$350 plus shipping and a FBT is somewhere between $60 - $90 depending on the supplier. Hope this helps! Bill

Jun 04, 2007 | Hitachi 46F510 46" Projection HDTV

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