Question about Hitachi 43F300 43" Rear Projection Television

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Hitachi help I have a 43" hitachi big screen (43f300)and i have replaced the 2 convergence ic's and now the red is out of alignment,and magic focus stops on the red and shows a 5 at the bottom right hand corner of screen.I cannot manually fix it either,Can you please help me of what to do now? thanks jonster

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You require an alignment,you must enter the service mode to adjust and save the settings.

Posted on Sep 18, 2007

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Hitachi 43fwx20b magic focus the 3 colors are not adjust.


First have the convergence IC's replaced these are the two large black IC's mounted on an metal heat sink.

Oct 24, 2009 | Hitachi 43FWX20B 43" Rear Projection...

1 Answer

Blue cast to screen and words at the bottom of screen run uphill.blue does not seem aligned to grid. magic focus did not correct. Can align red and green manually but not blue.


The IC /resistor in convergence circuit(blue) is bad

convergence output IC problem. convergence board would have to be removed - remove and replace 2 STK IC's and check the surrounding resistors. Shops usually charge between $200-$400 Be sure to vote/rate me if this helped Thanks!
See link for more detail
http://www.ehow.com/how_4575598_yourself-projection-tv-repair-convergence.html

Oct 21, 2009 | Hitachi 51F500 51" Rear Projection...

1 Answer

Magic focus won'f fix misalignment


YOU NEED CONVERGENCE REPAIRED EST AROUND 300.00 CALL TERRYSTV IF IN N. CALIF

Mar 28, 2009 | Hitachi 43F300 43" Rear Projection...

1 Answer

Hitachi 61udx10b


Replace Both of your STK ICs they are your convergence ics they are big black ICs will have Part# on them for example STK392-110, if they are 110s use 180s, if 020s use 040s other wise replace with exact same number. To get Parts call Electronix 1-800-223-3205

Dec 30, 2008 | Hitachi 61SDX01B 61" Rear Projection...

1 Answer

43F300 convergence


Convergence kit # X480306 for your Model #.....
Replace parts & activate auto-focus......T.

Sep 01, 2008 | Hitachi 43F300 43" Rear Projection...

2 Answers

Magic Focus does not work.


Convergence issues usually resolved by changing convergence output amplifier IC's.....Original STK392-110 should be replaced
with upgrade Stk394-160E Hitachi part # CZ 01341,change both
for reliability.....check B+ feed resistors for over-heating....T.

Feb 04, 2008 | Hitachi 43UWX10B 43" Rear Projection...

1 Answer

Hitachi TV Problems


convergence ic bad
http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html

Dec 23, 2007 | Hitachi 43F300 43" Rear Projection...

1 Answer

Blue shadow


Needs convergence circuit repair = replace convergence IC's,
then activate Magic Focus...............need step by step?......T.

Nov 30, 2007 | Hitachi 43F300 43" Rear Projection...

1 Answer

Convergence


One of your convergence IC's has burned out and needs to be replaced. A good rule here is to go ahead and replace both STK392-110 IC's with the new improved STK392-150's. If you have never replaced convergence IC's and realigned convergence circuits, allow a qualified tech to handle it for you.

Aug 12, 2007 | Hitachi 43UWX10B 43" Rear Projection...

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