Question about Hitachi 43FDX01B TV

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Convergence chips changed out now I have no picture

I had a convergence problem with a Hitachi 43fdx20b. I changed out both convergence chips and checked resistors. I had a 3D looking picture before but now I have no picture. My power light blinks and I hear a clicking noise. I also smell something burning. I left the rear cover off but can see no smoke or glowing resistors. took board out again and checked my soldering. made sure all of my connections were put back correctly. I am frustrated.....

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  • 42 Answers

Undo what you have done now also unplug convergence circuit and see if set comes on you may have solder two pins together are one to ground

Posted on Feb 22, 2009

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2 Answers

Magic atuo focus is not working


you probibly have a problem with the converge chips- stk's-000-000

Feb 06, 2011 | Hitachi 43FDX20B 43" Rear Projection...

2 Answers

Ditorted picture


If colors are skewed, go into the customer menu and select convergence--if red or blue is wacked out and will not move--the convergence chips this set uses need to be replaced.

The 43FDX20B model uses two of the STK-392-120 chips and is fairly easy to repair for this problem.

If you have some skill and can solder I can tell you how to fix it---you can buy a pair of the chips on Ebay for under 13 dollars plus shipping.

Most shops are going to get 300 or more for this repair so if you or someone you know can do it you can save the set and a lot of money--

What it involves is replacing both chips and any bad resistors around them that got taken out---easy to check.

Let me know if you have questions or want instructions--I am here to help.


If this information helps take a moment and rate this solution as I do this here for FREE.


SD TECH

Nov 12, 2009 | Hitachi 43FDX20B 43" Rear Projection...

1 Answer

Convergence chips replaced, tv powers on and no picture


You have to replace the chip with the same kind, or at least crossed referenced, but still exactly the same but diffrent manufacturer.

Aug 15, 2009 | Hitachi 43FDX01B TV

1 Answer

HItachi 43FDX20B Rear Projection TV Convergence Problem


Replace both STKs Use StK 329-180s if set is using110s,120,150s, I havent heard of anyone yet getting shocked from replacing ICs.

Feb 09, 2009 | Hitachi FDX Series 43FDX10B 43" Rear...

2 Answers

What dose a convergence board look like?


This is what the convergence PWB looks like. Its located on the extreme right side of the chassis looking in from the rear of the set.9cc0c04.jpg

Nov 27, 2008 | Hitachi 43FDX20B 43" Rear Projection...

1 Answer

Hitachi 43fdx20b Need capacitor but i dont know which to buy!!


Hello Soleftright,

I have CK24 as a 1000pf 50v cap. Look at CK25 it is the same value as CK20 - CK24. Were your convergence ICs STK392-110s? One side of the cap goes to pin 14 of the (IK-04) IC and the other to ground.

I hope this helps
Thank you,

Shuttle83

Oct 21, 2008 | Hitachi 43FDX20B 43" Rear Projection...

2 Answers

Double picture 3d


You need new Convergence ICs post the model number and I will post the numbers you need and where you can get replacements with free instalation instructions with pictures

May 13, 2008 | Hitachi 43FDX20B 43" Rear Projection...

2 Answers

Hitachi Model 43FDX20B


Convergence IC's are at locations IK04 and IK05. There are some resistors that will be burnt up on the board as well. Replacement IC's are stk392-150, and are easily purchased, even off ebay. For the resistors you may have to get the location numbers and research the value. If you need the resistor values you can email me and I will get you the info.

Mar 04, 2008 | Hitachi 43FDX20B 43" Rear Projection...

2 Answers

Hitachi 43fdx20b


well i had the same t.v. and u will have to set the picture tube which is really simple it ight seem hard but if you need an hand give me an call 1-403-362-2560 and ask for jason

Dec 17, 2007 | Hitachi 43FDX20B 43" Rear Projection...

1 Answer

Hitachi 43fdx20b blurred Picture


Yes this is a normal diagnoise. Just about every Tube type projection TV set ever made will one day need these IC's replaced. They are not really that hard to replace but you would need to know how to solder and unsolder on printed circuit boards, know the procedture, and then have a service manual handy to adjust the convergence after yoou replaced the IC's. If the tech works on alot of these types of TV sets's, most likely they could adjust them without having a service manua handy. This repair done by a pro should run you anywhere from 250 on up to 400 bucks depending on who does the repair and where. Good Luck

Mar 31, 2007 | Hitachi 43FDX20B 43" Rear Projection...

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