Question about Hitachi 43FDX01B TV

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43fdx01 hitachi hello guys; ive got a 43fdx01b that i changed the convergence ic's on about a year ago. today its back in with a no start. found all the fault led's on in deflection board and on the power supply board.there are no fuses blown on any of the two boards. i would like to know where i need to start looking for this short. it seem that the h.o.t are ok and theres no discolored resistors around the convergence ic's. please respond or here at thanx guys

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  • howie spence Jul 19, 2006

    hello guys i really need some help on this 43fdx01b set cant really begin after changing stk392-110 ive still got a short. all fault led's are on and horizontal out is good and reg ck out ok. also found no shorted bridge rectifiers set seems to be pulsing for startup.



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Possible convergence overdrive from the IC's. This will cause the symptom you describe. ....accordianman

Posted on Oct 20, 2007


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3 Answers

Hitachi Model# 43FDX01B is doing a double image.

You have a convergence problem, you will need to change the convergence IC's STK392-110, there is also 12 6.8 1w resistors that need to be changed, there is also 2 fusilbe resistors that may be open. You can probably Google the IC's as a kit and find them all in one kit.
You can fix this yourself and save about $300-$400 in repair bills.

Feb 23, 2010 | Hitachi 43FDX01B TV

1 Answer

Color has changed to green tint

    According to the system the problem in your projection is convergence and the solution is to replace the IC STK's.The part Number is CZ01341. Change the IC STK both and your TV work fine again.And for parts please see the link below.


Jan 09, 2010 | Hitachi 43FDX01B TV

1 Answer

Red and green waves...double vision 43FDX01B

Try adjusting the convergence. If it won't move see below- (or hitting Magic Focus for some Hitachi’s)

This sounds like 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 $200-$400 Be sure to vote/rate me if this helped Thanks!
See link for more detail

Nov 05, 2009 | Hitachi 43FDX01B TV

2 Answers

Convergence on Hitachi 43fdx01B not working

ik04,ik05:stk392-110(replaced with:stk392-150)resistors:rk46,54:1,5ohm.,rk42,50:2,2ohm.,rk58:3,3ohm.,rk62:1,8ohm..try make order in "MCMelectronics".,partstore.,bdent.

Jul 09, 2009 | Hitachi 43FDX01B TV

1 Answer

Hitachi 42" TV

This is a problem with the convergence circuit. If you can solder, try resoldering the pins on the convergence ICs. If that fails to resolve the problem, replace the ICs. These ICs are large and black, attached to a heat sink and are marked STKxxx.

Keep us posted on your progress.

Jun 19, 2008 | Hitachi 43FDX01B TV

1 Answer

Hitachi 43fdx01b chasiss dp05f

some times convergence IC's coused to put set in shutdown unloading the three convergence connectors and trying to turn on the tv if the set turn on the problem is convergence IC's if not check voltage regulator ...if still having problems e-mail me

Mar 18, 2008 | Hitachi 43FDX01B TV

1 Answer

Hitachi 43FDX01B (convergence) problem

Convergence IC's must be changed to start repair..original...
STK392-110 sub to Hitachi upgrade STK394-160E.....PART #
CZ need two....
Next, take a critical look at the B+ feed resistors near the IC's..
check for over-heat / damage......usually 2.2 ohm 2 watt......
Let me know....................T.

Jan 03, 2008 | Hitachi 43FDX01B TV

1 Answer

Re: 43FDX01B blue convergence issues

Ditto CTF1800's comment....Check RP-41 1.5 ohm 2 watt and
other low value resistors near IC's mounted on large heatsinks.

STK392-110 original convergence IC's can be upgraded to
Hitachi # CZ 01341 new number STK394-160E for greater reliability.......Hitachi also has an IC / resistor kit # X480295,
but I don't change good resistors, only the bad one(s).

Practice good visual acuity technique and ask questions!.....T.

Jan 02, 2008 | Hitachi 43FDX01B TV

2 Answers

Hdtv convergence problem on Hitachi

Needs convergence IC's replaced by qualified technician.
Good set to keep a few more years..................T.

Please rate this solution....................

Oct 24, 2007 | Hitachi 43FDX01B TV

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