Hitachi 53FDX20B 53" Rear Projection Television Logo
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Anonymous Posted on Jun 17, 2010

Blue will not focus causing "shadows". Magic focus will not solve the problem.

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Chi Chu

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  • Hitachi Master 8,457 Answers
  • Posted on Jun 17, 2010
Chi Chu
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This tv have a problems call convergence,it dead.The tv convergence board the 2 STK convergence ICS and some or all it resistors are dead.These parts must be replaced to solved convergence problems.The shop will cost u $300-350 for parts and labors.

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  • Hitachi Master 3,459 Answers
  • Posted on Aug 28, 2010
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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 photos of convergence problems


Blue will not focus causing
Blue will not focus causing "shadows". Magic focus - 6d0da0b.jpgmg src="/uploads/images/Blue will not focus causing "shadows". Magic focus - fcabb43.png" alt="6d0da0b.jpg" class="h_mi" />

fcabb43.pngCONVERGENCE SOLUTION

You can see some more examples and find a fix using this link on Fixya - CLICK HERE

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  • Posted on Sep 28, 2011
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My red wont focus . I barly turn the red color on the the screen gets red bad. Im able to adjust the blue and green but not the red. I even tried to move the red wires to the blue and green to adjust it but still nothing so I know its not the adjustment knob. And the red light works fine as well, I think its something to do with the board on the red color but I dont know where to get the piece to fix it.

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  • Posted on Mar 06, 2011
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How do we fix replace the convergence problem ourselves Already tried the automatic adjust and doesn't work.

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Anonymous

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  • Posted on Aug 14, 2009

SOURCE: Hitachi projection tv 53SDX01B is out of focus how do you reset.

if magic focus will not correct convergence problem look in the customer menu for the word CONVERGENCE---IF BLUE WILL NOT ADJUST IN some direction, one of the two Stk-392-110(or 392-150) convergence Ic chips are bad; you may also find some burnt or discolored resistors behind them----this kind of problem is usually fixable right in your home; if you need direct help;;;



etower.766@netzero. net


If this was helpful I would appreciate a vote from you here.

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The top of the screen is yellow color then drops down in a swoop and more yellow and blue. otherwise picture is good, pushed the magic focus but it did no good. thanks for any help

The magic focus button don't work.The tv have a problems known as a convergence problems,it dead.The tv colors lines R,G,B mis alignment,have colors shadows 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 tv convergence board to solved the tv convergence picture problems.The shop,will cost u $300-350 for parts and labors.
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I think that it is the green because i did what you said and it is still there. there is a feature on my tv called magic focus it brings up the colors and the blue and the red are very focused but the...

This tv is a DLP projection tv right?Magic focus button push don't solved the focus picture problems,have colors shadows or 3D pictures problems?The tv have a problems known as a convergence problems,it dead.The tv convergence board.Must have it 2 STK convergence ICS and some or all it resistors to be replaced to solved the tv picture convergence problems.The shop,will cost u $300-$350 for parts and labors.
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Hitachi projection tv 53SDX01B is out of focus how do you reset.

if magic focus will not correct convergence problem look in the customer menu for the word CONVERGENCE---IF BLUE WILL NOT ADJUST IN some direction, one of the two Stk-392-110(or 392-150) convergence Ic chips are bad; you may also find some burnt or discolored resistors behind them----this kind of problem is usually fixable right in your home; if you need direct help;;;



etower.766@netzero. net


If this was helpful I would appreciate a vote from you here.
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You will not be able to solve this yourself. It needs the convergence IC's replaced which is a big job.
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http://servicemanuals.vstore.ca/
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It's a hardware malfunction. It can't finish the magic focus cuz one of the IC is burned. Need to be replaced and to check the resistors.
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