Question about Hitachi 43FDX01B TV

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Re: 43FDX01B blue convergence issues

Blue does not line up

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Re: 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.

Posted on Jan 27, 2008

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Convergence issue; red 3D effect. In grid convergence mode blue will converge w/green fixed lines and red horizontal will but the verticle red will not adjust far enough left to converge. has ajustment...

Convergence is dead.Must know how to solders?Must replaced ICS and all of it resistors.Tries Tv repair, for a convergence kit.The shop will cost u $300 for parts and labors.

Jan 24, 2010 | Hitachi 43FDX01B TV

1 Answer

Hitachi projection model #43fdx01b.distorted color, blue off set. Half moon line at the top, taking top part of picture.

Ur convergence is dead.U need buy a convergence kit,U know how to solder right?Buy it at these websites.Tv Repair or

Sep 30, 2009 | Hitachi 43FDX01B TV

1 Answer

Tv's picture is messed up.

Symptom: Blue convergence off, bowed inward at the top and bottom with No blue vert movement.
Cause: Replace IK05 (STK392-110) and RK54 (1.5 ohm/1W) and converge. RK50(2.2 ohm/1W)

Sep 20, 2009 | Hitachi 43FDX01B TV

1 Answer

Red and blue convergence wont line up. What should i do.

convergance can be tricky and you should follow a manufacturers proceedure from a manual.

most specificaly start with the green H and V Linearity and center , then the Red and Blue

Projection TV's and Component Video RGB have their Horizontal and Vertical Sync signals on the Green Component..

There may be other reasons for their specific order of operations within a calabration proceedure such as your 'RGB convergance alignment'

Jun 16, 2009 | Hitachi 43FDX01B TV

1 Answer

Hitachi 43FDX01B green is out of whack

The green is not adjustable in the customer menu because it is considered the 'master' color. It is adjustable in the technician mode however but if it is curved it won't even adjust properly that way either. The problem is the convergence ampifier responsible for green convergence has failed. The convergence output IC's need to be replaced.

May 27, 2009 | Hitachi 43FDX01B TV

1 Answer

43FDX01B Red Convergence Issue

yea , sorry that( 10b ) was the closest(to 01b) I could find(free), but on page 91 of the manual it shows the convergence IC's and it has an initial for each color and if it is the horizontal or vertical ( RH,RV, ect..)and on the RH line is where you are going to look for a bad resisitor or a protection fuse , but you should replace the IC's since they are being subjected to this problem and plus they may be at the end of thier life and resistors may be loosing thier values
I would definately find the cause first(resistor , protect component , STK IC) before replacing them all
let me know your progress and findings or any other assistance you need

Mar 17, 2009 | Hitachi 43FDX01B TV

2 Answers

Hitachi 43FDX01B Convergence Problems

Hitachi remote part # HL01643........I like the original remote
to do adjustments.................T.

Aug 06, 2008 | Hitachi 43FDX01B TV

1 Answer

Hitachi 43FDX01B convergence red line wont move

probably need to replace STK IC on convergence board and possibly associated low value resistor

May 09, 2008 | Hitachi 43FDX01B TV

1 Answer

Re: green convergence

Check B+ feed resistors next to IC's for visual burn damage,
identify by board location, exact value important.......
What STK part # was used ? price ? quality ?................T.

Jan 02, 2008 | Hitachi 43FDX01B TV

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