Question about Hitachi 46F500 46" Rear Projection HDTV-Ready Television

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46F500 - was unplugged and then plugged back in. Out of focus.

When plugged back in and turned on the color was all out of wack. It looks like the Magic Focus was turned on. It will not fix manually.

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Convergence ic`s have failed or circuit around the ic`s have failed, unless your real proficient with soldering equipment this is a job for a tech, most of the time it`s the two ic`s, video-tek

Posted on Jun 05, 2009

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1 Answer

Blue colors no magic focus stop at blue colors


Check the resistor in front and back of Convergence ICs. STK392-110s. the ICs might need to be replaced also. Look for poor solder connections also.

Oct 01, 2012 | Hitachi 46F500 46" Rear Projection...

1 Answer

Goes through magic focus than in the middle stops and displays #5


This is a common problem. Its called a convergence failure.

Problem #1) Convergence

Symptoms:

  • Screen Looks 3D
  • Colors wont align
  • Video may look distorted
Problem #2 CRT Fluid has clouded over. Symtoms
  • Dull looking video
  • White looking video
  • Halos around objects
  • Red/Orange looking video

You can see some examples and find a fix here...

bb0cf99.pnghttp://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Feb 19, 2010 | Hitachi 46F500 46" Rear Projection...

1 Answer

My TV is almost 5 years old. Barely used more


Howdy,
Sounds like the TV has lost the VIDEO and only has color. Make sure all the cables are secure and good. 2) Reset the TV by unplugging the TV or any BOX you have attached to TV. Unplug both from a/c for 3-5 minutes, plug back in and turn both on.
If no fix. Go to service Company that is Authorized and get an estimate, possible cost $450.00 +. Too many areas of concern to help you with particulars.

Good Luck, Big Irish.

Dec 02, 2009 | Hitachi 46F500 46" Rear Projection...

1 Answer

Screen Out of Focus with Wavy Lines - Perfect Focus Will Not Corr


This is a common problem. Its called a convergence failure.

Problem #1) Convergence

Symptoms:

  • Screen Looks 3D
  • Colors wont align
  • Video may look distorted
Problem #2 CRT Fluid has clouded over. Symtoms
  • Dull looking video
  • White looking video
  • Halos around objects
  • Red/Orange looking video

You can see some examples and find a fix here...

bb0cf99.pnghttp://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Mar 06, 2009 | Samsung HCM4215W 42" Rear Projection...

1 Answer

Hitachi 46f500 convergence?


a common problem wich i also have with convergence with blue and red convergence.
the image converge amplifiers are burnet out wich in turn blow out resisters that control individual color convergence.

Jun 19, 2008 | Hitachi 46F500 46" Rear Projection...

1 Answer

No picture or sound


OK to help assist everyone having the BLUE HUE and CURVED LINES Issue on their Rear Projection HDTV no matter their model. Here are the steps to take. The first thing to check is the FOCUS BLOCK or G2 Focus Transformer or CRX F-Pack. I have replaced mine, however it didn't resolve the issue. I am onto the next item the CRT Board for Blue (Which is the board under one of the three color lamps inside your tv) Please see photo below (if photo is not large enough below go to link to review notes as well) If the CRT Board is not it, then the next step will be the Signal Board which is a larger board in the back. In a week I will have a picture of both.

INSTRUCTIONS:
  1. Remove the outside cover
  2. Remove the wood plank/panel
  3. In the front is the G2 Focus Block/Transformer, while set is on turn the top 3 knobs till the screen goes black/dark grey.
  4. adjusting the colors till you receive the desired or normal color/picture.
  5. Once you have received the proper color/picture tap the side of the Focus Block.
  6. IF The colors go out of wack again and the blue comes back strong then this "CAN BE" the Focus Block.

Replace the G2 Focus Block aka Focus Transformer, if Hitachi it's called a CRX F-Pack. This item will cost about $50. Not expensive. You will likely need a soldiering iron. DO TURN OFF & UNPLUG THE TV WHEN INSERTING ANY METAL OBJECTS INTO THE TV!!

FOLLOW THE PHOTOS/DIAGRAM in link below for assistance in the above instructions. I will post my next process since it was not my Focus Block that was an issue.

ONE SOLID PHOTO Go to URL CLICK HERE, click on that image to enlarge. Hope this helps you all out!

Feb 23, 2008 | Sony KP-57WV700 57" Rear Projection HDTV

1 Answer

No picture, have sound


Dude, you dont have the same problem thanks for junking up my post.

Ok, so I have replaced the SUB power assembly and the SUB Defconvergence board, picture looks decent however magic focus just blanks the screen out and cannot adjust manually does the same thing.

Is there a way to enter the service menu and initialize the magic focus functions after servicing.

It must be using the saved ROM settings, but it wont let me adjust anything convergence wise.

Thanks,

Joe

Dec 28, 2007 | Hitachi 46F500 46" Rear Projection...

2 Answers

Color convergence?


Can anyone give me the resistor values for location RK 42, RK 46 and RK 62? Hitachi 46F500 TV. Or can I be pointed to the location of a service manual?
Tony

Sep 13, 2007 | Hitachi 46F500 46" Rear Projection...

1 Answer

Strips of color coming up from bottom of tv


youll need to replace the stk ics inside the tv. they are easilly found by looking for two larg heat sinks. im pretty sure sony runs stk392-510. you will have to look at the ics to verify.

Apr 16, 2007 | Sony KP-53S75 53" Rear Projection...

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