Question about Hitachi 50UX58B 50" Rear Projection Television

3 Answers

199P HITATCHI ULTRA 70 INCH AUTOFOCUS BUTTON???

WE HAVE HAD THIS TV WITH NO PROBLEM, OUR GRANDAUGHTER MANAGED TO HIT THE MAJIC FOCUS BUTTON IN FRONT WHICH WE NEVER USED NOR NEEDED TO. NOW THERE IS NO WAY TO GET BACK TO THE TV, IT HAD LIKE BULLSEYE AND DULPICATE STUFF.I NEED TO KNOW NOW TO UNDO THIS AS I CANT AFFORD A TECH AND DONT HAVE BOOK ANY MORE.. PLEASE HELP WITHOUT ANY TV

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  • lucindalenk Jun 13, 2008

    any help please

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3 Answers

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Solution #2 is correct as long as you say there was no problem before the magic focus was hit, even so, your set should have returned to normal after the electronic convergence is thru. I repair the Hitachi sets all day long. Un-plug it for the 3 minutes and let me know.

Posted on Jun 14, 2008

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I think you are blaming the wrong person it sounds like you have a convergence problem (very common) the stk's are bad - or conncetions on the stk's
if you have the proper tools and can solder well you should be able to repair it your self
just let me know and i will attempt to walk you through it
thanks
scott

Posted on Jun 14, 2008

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Usually you just have to unplug it for 3 min.
thanks guy9

Posted on Jun 14, 2008

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3 Answers

Convergence problems w the color tubes


Press the Majic Focus button on the front. If that doesn't fix it then the convergence ICs may be bad.

Mar 31, 2010 | Sony KP-51WS500 51" Rear Projection...

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Magic focus problem


in the menu first check if focus is set to auto or manual, need to be auto, if it is then pop off the front cover and acess panel with TV on cafefully press small button on signal pcb front edge, this is service mode, press pip mode,then pip channel after intialize turn TV off then on, function should be restored.

Aug 09, 2009 | Projection Televisions

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Won't do HD, red for majic focus does not shift.


you need to replace both STK392-120 Convergence Ics. You can get replacement Ics at the following link and they provide free installation instructions so you can do the repair your self. Heres the link
http://servicemanuals.vstore.ca/

Jan 19, 2009 | Hitachi 53UDX10B 53" Rear Projection...

1 Answer

Replaced IC'S and all resistors and focus problem still


Hello yorty,

You are the first person I have ever had to give this advice to. Let me explain, some folks "get lucky" and the replacement of the IC's and the simple alignment are usually enough, but in your case you have landed in the magical land of complete convergence adjustment.

You are going to have to perform a static and dynamic convergence alignment of your TV. in theory its very simple. here are the instructions:

First, you will have to adjust purity of the three CRTs (follow the instructions in your users guide or the schematic of your TV)

Second, you will need to set the static convergence of your TV (This will set the center of your tv and some of the side, top and bottom, lines)

Third, Once the static convergence is done you will need to set the dynamic convergence of your tv this will set the lines of the extreme top bottom and sides of your tv.

FOLLOW THE INSTRUCTIONS IN YOUR OWNERS MANUAL OR THE SCHEMATIC FOR THIS TV!!

Now for the bad news,

These three actions are all intertwined, That means that once you adjust one, you will have to readjust the others to match. Now this means that on an average, you will spend the next 8 - 16 hours doing the adjustment (8-16 hours are the estimated times for a TV technician to perform this task).

Now, I would suggest getting a TV technician to do the alignment becuase the task is very very tedious, and even most TV technicians hate doing it. I wish you well.

I hope this helps,

Thank you,

Shuttle83

http://www.electron-age-technologies-llc.com

Jan 04, 2009 | Hitachi 53UWX10B 53" Rear Projection...

1 Answer

Problem continued


Good Day;

When you activate the Mj focus the TV is restoring the data from the TV's digital circuits. So, you have the ability to change the IC's you can do this.

You need to go into the con service mode. Take off the front grill, remove panel, 6 - 8 screws. From the front there is a switch on the left hand side, it is small, white button with TV on. now you are in the service mode, using TV's remote adjust. Make sure you save dat. Go hit on line site get more info.

Goo0d Luck!

May 25, 2008 | Hitachi 53UWX10B 53" Rear Projection...

1 Answer

Seems like a convergence issue has begun


KIT10 $29.50
Repair Kit for Hitachi convergence Chassis DP-14G
KIT10 Includes 2 pcs STK392-150 , 1 each of the following 1W axial lead fusible resistors:


http://www.digitalhome.ca/forum/showpost.php?p=564268&postcount=220
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html

Nov 16, 2007 | Hitachi 51UWX20B 51" Rear Projection...

1 Answer

Hitachi 61swx10B digital rear project


Yes it certainly sounds like you have the old convergence outpuyt IC's that have gone bad in this TV set. If you have the soldering skills, and know how to work on printed circuit boards, you can repolace both of the STK convergence IC's. If you do not, you can get the complete convergence board at http://www.ptscorp.com, and the Hitachi board number is JT22056. Good Luck

Mar 28, 2007 | Hitachi 61SWX10B 61" Rear Projection...

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