Question about Hitachi 53UDX10B 53" Rear Projection Television

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Picture Problems We have a Hitachi 53" Projection TV that has developed a yellow half circle in the upper left corner of the picture there is also a blue ring surrounding that circle. Also, the power light stays on when we turn the set off. We have tried the Magic Focus button but that has not helped at all. It is the TV as we have tried with DVD player and it is still there. We are in no where ville USA and there aren't any repair techs here to help us. The closest are 100 miles away. We have had the TV for 5 years and hate to have to replace already. Thanks for any help. Purchased 2002

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The unit needs new conv ic's. they are part no stk392-180 need two.Also you might need 2 2.7 ohm resistors with minimal soldering skills,you should be able to repair unit

Posted on Mar 22, 2007

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Posted on Jan 02, 2017

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Hitachi 53udx10b issue with green and pink lines creeping in upper left corner of picture. Rear projection tv about 10 years old. Just started yesterday, didn't have any problems prior.


thath is your converce pin corner are missaligned
usely behind the front bottom panel you will find a board with some knobs for ajustement off the convergence watch to not turn every control its gone a be disaster /when you find the control panel look
for the adjust button in one off the corner usely red
if you pressed the crosshatch will appear in the screen/ watc to dont touch any electronic or tube there is a lot off highvoltage in there use care
when you got the crosshatch pattern read carefully
wich control act onthe left corner
beware about the highvoltage its dangerous if you
not shure ask someone who have knowledge about this
hope that will help you BE CAREFULL

Mar 28, 2010 | Hitachi 53UDX10B 53" Rear Projection...

1 Answer

Coulor distortion at the top left of the screen


Hello jordan ashe,

This is an indication that the green CRT is having a convergence problem. This might be caused by the convergence amplifier or by the CRT. Does the rest of the picture look OK? and in addition can you supply a picture of your TV so as I can see what you are seeing and develop a proper diagnosis?


Thank you,

Shuttle83

Sep 28, 2008 | Hitachi 53UDX10B 53" Rear Projection...

1 Answer

Blue circle across top of tv screen & maybe some yellow


Good Day,

Does the blue spot have tin white lines?? Is there a picture behind the 'circle'? You may a blue crt (tube) problem.

Jun 06, 2008 | Hitachi 53UWX10B 53" Rear Projection...

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check there are no magnets near the tv ie speakers etc,

May 01, 2008 | Hitachi 53UDX10B 53" Rear Projection...

1 Answer

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sounds like you need to do convergence.

Feb 21, 2008 | Televison & Video

1 Answer

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Picture Problems with Hitachi 53" Projection TV


most tv shop's will replace convergence ic's,which your tv needs.Thepart number is stk392-180 very common You need 2 plus poss resistors,3 bucks apiece

Mar 20, 2007 | Hitachi 53UDX10B 53" Rear Projection...

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