Question about Hitachi 53UDX10B 53" Rear Projection Television

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Help! It's stuck. Stubborn Convergence board.

I have the back and front off my Hitachi 53UDX10B rear projection TV. I've released the six plastic tabs that hold down the convergence board, but the board won't budge, and I can't pull it out. So I can't replace the STK amps and resistors. I've bought a repair kit for this. Please, how do I get this board out so that I can work on it?

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  • Robert Katman Jan 07, 2009

    guyclaude228,



    Yes, I removed two screws from the rear of the board. There are no
    screws in the front. I can't figure out what's holding the front of the
    board. Any other suggestions would be appreciated. This is driving me
    nuts!





  • Robert Katman Jan 08, 2009

    guyclaude228,



    Thanks! Your comment prompted me to inspect the board again. I had
    overlooked a third screw in the middle of the board--originally hidden
    by several connectors that I had removed earlier. The board came out so
    easy after that.





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Did you remove the screws off the board.? That should do it. !!

Posted on Jan 07, 2009

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Convergence problem please help


You likely did not do all the steps required to fix it. If you bought a complete repair kit from sites such as Tv Repair Ktis go back and ask them for help. If you did not get one of their kits you can still purchase just the convergence repair instructions.

Jan 05, 2012 | Hitachi 53UDX10B 53" Rear Projection...

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Hi there i replaced my hitachi 53uwx10ba convergence IC (2) stk392-120 and now it won't turn on and just flashes at the front panel 7 times, can i get some help pls


Did u check the pico fuse and all those resistors on the tv convergence board to make sure with ones are good resistors which are not good resistors and replace all them resistors too?U didn't do that should get it tested and replaces all those dying resitors.Try website like Tvrepairworld.com look up ur Hitachi tv model what resistors and pico fuse u require to check.

Aug 20, 2011 | Hitachi 53UDX10B 53" Rear Projection...

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Model# 53UDX10B bought in 2002. The green color has went off. Its a red tint picture now. Whats the repair and the approximate cost.


The tv have a problems known as a convergence problems,it dead.The tv have colors R,G,B lines 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 to solved the tv convergence picture problems.The shop,will cost u $300-350 for parts and labors.

Oct 11, 2010 | Hitachi 53UDX10B 53" Rear Projection...

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I see three pictures blurred together in different colors almost like its out of focus but unable solve with controls


The tv have a problems know as a convergence problems,it dead.The tv convergence board require replacing 2 STK convergence ICS and some or all it resistors to solved the tv convergence board,to solved the tv convergence problems.The shop,will cost $300-350 for parts and labors.

Sep 16, 2010 | Hitachi 53UDX10B 53" Rear Projection...

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Unplug TV from ac outlet for few hours, this will discharge caps in circuit boards and you can take out desired board after unplugging connectors.
Always Be Careful while doing repair in TV.

Dec 26, 2008 | Hitachi 53UDX10B 53" Rear Projection...

1 Answer

HITACHI 53UDX10B Projection TV: Convergence Board


They just pop off ~ pull up and out on the right side of "bridge". Then just fold carefully up and our of the way so you can get at the board. You do not have to remove both sides of these. Very simple ~ just becareful not to twist so you're not bending and weaking the wires.

Dec 20, 2008 | Hitachi 53UDX10B 53" Rear Projection...

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Help please,....


Did your replace the convcergence feed resistors along with the ICs? As Hitachi recomend replacing the six feed resistors along with the ICs as often the old resistors will blow or increase in tolerances when the old ICs go out.

Nov 22, 2008 | Hitachi 53UDX10B 53" Rear Projection...

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Hitachi 53udx10b v1j013720


More than likely it is a convergence problem. Best way to tell is to unplug the plugs marked red conv, blue conv, and green conv. Careful not to unplug yoke plugs by mistake, and make sure you mark plug and board when disconnecting. If convergence amps are the problem, set should power up with convergence plugs disconnected. Do not leave set playing very long. This is just to verify problem. Your welcome, Russmann.

Nov 05, 2008 | Hitachi 53UDX10B 53" Rear Projection...

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Sorry--You will need resources to fix this one. STK392-110 IC's need to be replaced,afterwards convergence alignment in servicer mode may be needed.

Oct 02, 2007 | Hitachi 53UDX10B 53" Rear Projection...

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