Hitachi 50DX20B 50" Rear Projection Television Logo

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Posted on Apr 22, 2011
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The blue plus sign is not lining up with the red n yellow plus sign. only able to move the digital array plus sign just a little.

  • sdburns111 Apr 22, 2011

    are thy easy to replace if i do know how to solder and will i be able to identify them if i use you to fix the problem

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Anonymous

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  • Master 4,889 Answers
  • Posted on Apr 22, 2011
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I believe you are referring to the convergence adjustment. If the cross-hairs do not align then its a 100% guarantee that the source of the problem are the convergence amplifier ICs. We will have to replace the two STK ICs along with any resistors found to be faulty which begs the question- Do you know how to solder?

  • Anonymous Apr 22, 2011

    Great! Now I remember that your tv uses STK-392-110 but we will verify it first. On the board with the flyback look behind the heatsinks. You will find black colored ICs stuck behind each heatsink. The STK amp number should be printed on them. Have a look and let me know

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Related Questions:

1helpful
1answer

Can't get digital array ligned up,I went by the operating guide got the blue to line up but the red won't move.

Hi,
Please replace convergence output chips in tv to solve the problem. It requires good soldering skills/ expertise and click to buy convergence repair kit for this tv that has all required parts and instructions.
Hope this will help.
Thanks.
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1answer

Blue outline of picture

Try to adjust the digital array, if it is still bad the two chips will need replacing. I've had it done three time in 7 years at $300.00 a pop
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Blue convergence wont move to the center with the yellow plus sign my picture is yellow and blue can I fix this myself

no you will need to send it to a shop to have it fixed.it will be something to do with the convergence controls .you have 3 tubes red green and blue there is no yellow tube...have a shop fix it
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1answer

Prints all yellow, with some blue and black, no brown

the problem is very simple the magenta ink the cartridge is over or the head is been blocked from where the magenta ink comes out,
because red colour requires ---yellow plus magenta(pink)----to make it red.and ----dark yellow plus magenta(pink) -------- for brown colour.
0helpful
6answers

Suddenly, the screen shows double images on letters and numbers plus red/greenish like shadows on characters.

Youre convergence Ics need to be replaced. post the model number of your set and I will post the STK number that you need and a link where you can get new replacement ICs
0helpful
1answer

Convergence

Have someone replace the convergence amplifiers
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Phone line/phone jack problem

The wiring on the jacks is set up for a 2 line phone.

If you take the jacks apart, you will see either:
A) red, green, and black, yellow
B)white blue/blue white and white orange/orange white

You need to swap the pairs.
If there are red/green/black/yellow wires. remove the yellow/black and move them to where the red/greens are. Then put the red/green wires, where the yellow/black used to be.

OR, you need to swap the orange and the blue wires.
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Blue Color spots on all pictures

Call a technician, sounds like an Integrated Circuit problem and would cost you about $250.
0helpful
1answer

Red line

Once in the Didigtal Array screen, can you move the red in that corner horizontally and vertically? You should be able to do this with the remote control, no special tools needed for this model. If you can't move it then you will need to replace your convergence output IC's they are location numbers IK04 and IK05 and are usually generic part numbers STK392-110.
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