Question about Hitachi 43FDX01B TV

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Hitachi 43FDX01B Convergence Problem

I have 43" HD rear projection 2001 Hitachi TV that has a major convergence problem. Colors are not lining up, Bow at top and bottom, cannot adjust the horizontal convergence using the remote. I called a Technician who came out and replaced both IC's and a burned out resistor. Still had the same problem. No change. He replaced the same IC's again thinking he may have had a bad part, no change. He is at a loss as to the next step. I would like to get this fixed, but hate to call someone else since he has time and parts invested. Does anyone have any idea what else could be wrong? He states that he has heard of at least 8 other tv's of this same vintage with the same problem and no one seems to have a solution. 43" hd rear projection changed convergence ic"s and open 2.2 ohm resistor red bows at top and bottom

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It looks like the voltages might not be getting to the STK ICs. I would suggest for the tech to check all the pico fuses that are related to the convergence circuitry. He needs to check and make sure that +28 volts and -28 volts are getting to the ICs. If those voltages are missing, there could be a blown pico fuse.

Posted on Aug 11, 2008

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Here are the directions for getting into the ’secret’ convergence menus. You will need your remote operational to do this:

  1. Turn on the set
  2. Press and hold the convergence button the set and hit the input button on the remote.
  3. Convergence adjust is now engaged.
You should see a grid on the screen. This means you are now in the convergence adjust mode. Basically, now it’s up to you to adjust as you see fit. To move around on the grid,
use the following keys on your remote:

  • 2: up
  • 4: left
  • 5: down
  • 6: right
Use the cursor on your remote to move the points around. You also have the ability to select a mode for adjustment. The various modes allow coarser or finer tuning of the convergence grid. Generally speaking, you should start out in the 3 X 3 mode (meaning you have access to adjust 3 points on the grid) and then move to finer adjustment modes to perfect the picture. Change modes by doing the following:

  • Press Recall 5 times to activate 3X3 mode
  • Press 0 5 times to activate 7X5 mode
  • Press input 5 times to active 13X9 mode
Generally speaking, the first step is to get just the green color aligned. Press MENU on your remote and then EXIT and you should see only the green lines. After you adjust the green, you will want to pop up another color over the green and align it with the green lines. Here are the modes:

  • Blue: INPUT button on the remote
  • Red: 0 button on the remote
  • Green: RECALL button on the remote
  • MENU: to remove an activated color and return to just green

Again, to start with just green. Then activate one of the other colors (red or blue.) Now, move around and adjust so the lines all line up across the screen vertically and horizontally. If you want this precise, you will have to develop some kind of overlay, but for fine tuning, you should be able to eye it.
When all the colors are properly aligned, you will see white lines. Don’t worry if it isn’t absolutely perfect - a small amount of fringe is acceptable and will go unnoticed. When you are done you will want to save the adjustments you made. To do this:
  1. Press PIP MODE on the remote twice (the first time it will as you if you want to save, hitting PIP MODE the second time does the saving
  2. The screen will blank briefly. Then you will see a pattern of evenly spaced green dots. You have successfully saved the settings once you see this.
  3. Hit PIP CH to go back to do more tweaking.
At this point, the changes are saved. Turn off the TV and back on again to see the results with a normal signal. /* 0 ) { location.href = "http://zeroization.com/?cat="+dropdown.options[dropdown.selectedIndex].value; } } dropdown.onchange = onCatChange; /* ]]> */

Posted on Aug 11, 2008

  • Paulito Manuel
    Paulito Manuel Aug 11, 2008

    Here are the directions for getting into the ’secret’ convergence menus. You will need your remote operational to do this:



    1. Turn on the set

    2. Press and hold the convergence button the set and hit the input button on the remote.

    3. Convergence adjust is now engaged.
    You should see a grid on the screen. This means you are now in the
    convergence adjust mode. Basically, now it’s up to you to adjust as you
    see fit. To move around on the grid,

    use the following keys on your remote:



    • 2: up

    • 4: left

    • 5: down

    • 6: right
    Use the cursor on your remote to move the points around. You also have
    the ability to select a mode for adjustment. The various modes allow
    coarser or finer tuning of the convergence grid. Generally speaking,
    you should start out in the 3 X 3 mode (meaning you have access to
    adjust 3 points on the grid) and then move to finer adjustment modes to
    perfect the picture. Change modes by doing the following:



    • Press Recall 5 times to activate 3X3 mode

    • Press 0 5 times to activate 7X5 mode

    • Press input 5 times to active 13X9 mode
    Generally speaking, the first step is to get just the green color
    aligned. Press MENU on your remote and then EXIT and you should see
    only the green lines. After you adjust the green, you will want to pop
    up another color over the green and align it with the green lines. Here
    are the modes:



    • Blue: INPUT button on the remote

    • Red: 0 button on the remote

    • Green: RECALL button on the remote

    • MENU: to remove an activated color and return to just green

    Again,
    to start with just green. Then activate one of the other colors (red or
    blue.) Now, move around and adjust so the lines all line up across the
    screen vertically and horizontally. If you want this precise, you will
    have to develop some kind of overlay, but for fine tuning, you should
    be able to eye it.

    When all the colors are properly aligned, you will see white lines.
    Don’t worry if it isn’t absolutely perfect - a small amount of fringe
    is acceptable and will go unnoticed. When you are done you will want to
    save the adjustments you made. To do this:


    1. Press PIP MODE on the remote twice (the first time it will as you
      if you want to save, hitting PIP MODE the second time does the saving

    2. The screen will blank briefly. Then you will see a pattern of
      evenly spaced green dots. You have successfully saved the settings once
      you see this.

    3. Hit PIP CH to go back to do more tweaking.

    At this point, the changes are saved. Turn off the TV and back on again to see the results with a normal signal.

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Try this site
www.hitachi.us

Posted on Aug 11, 2008

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http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

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