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

Have dusted the bulbs and the control boards

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

Posted on Dec 22, 2012

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Posted on Jan 02, 2017

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Ecollier2012
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SOURCE: I have Hitachi 46F510 projection tv. Problem is

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

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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

Posted on Jan 20, 2011

allinallelec
  • 407 Answers

SOURCE: repair manual for 46F510 Hitachi projection tv

collect service menual book from market.

Posted on May 29, 2012

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I have a panasonic pt-61hx42 tv and the picture is dark and hard to see night sceens Is there another bulb besides the three colored bulbs


have you already check in the menu adjustment with the brightness,how about cleaning of the reflector inside doesn't work?

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Repair manual for 46F510 Hitachi projection tv


collect service menual book from market.

May 29, 2012 | Hitachi Televison & Video

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Projection screen tv: ok, so weird thing, my tv is out of focus, colors gone to ****, i have some extream settings set up just to see it... but it seems to have a line of half decent picture. but its only...


The convergence board is defective and it needs replace, to have a service man take care of your set it will run around 450. If it was me I would just replace the set with a new LCD. take care.

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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

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Magic focus blue is fine, green and red are really blurry, tv picture is almost black and white. all bulbs are on.


Tv have a problems known as a convergence problems,it dead.Any colors lines R,G,B mis alignment,have colors shadows pictures or 3D pictures.The tv convergence board,the 2 STK convergence ICS and some or all it resistors are dead.These parts,must be replaced on the convergence board,to solved the convergence problems.The shop,will cost u $300-350 for parts and labors.

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The picture is a red color


A lot of these sets develop a problem like this--the set uses a small plastic block with 6 controls--three are focus and three are SCREENS--

most likely you just need to get at and turn the red screen control down just a little.

I can tell you how to do this from the front of the set--takes only a few minutes.

SD TECH

Jun 30, 2010 | Hitachi 46F510 46" Projection HDTV

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Blurry Picture


I know these models came out around 2001, and I'm afraid that the problem sounds like it is related to the bulb going bad.

This article outlines how many TVs from around the turn of the century have had similar problems to yours.

I know bulb replacement is an option. You may want to call around to TV repair shops and see what your options are. In the end, though, it may be time to start saving up for a new TV.

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


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.

Sep 10, 2009 | Hitachi 46F510 46" Projection HDTV

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Picture is blurry


remove front panel and check the 6 control knobs adjust the intensity of each color as well as the focus of the picture with those colors.be sure to mark the knobs so you can return them to there original position if the set shuts off. Good luck

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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

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