Question about Hitachi 43FDX15B 43" Rear Projection Television

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Repairman is trying everything and I'm getting scared

Picture is terrible, 3d effect, and wavy. Repairmen changed the ,"ic's", i believe,and now we have no picture. Then he said I had some bad resistors, he showed them to me, they were burnt, and he replaced them. Still no picture. 3weeks now and he is telling me that he is having a hard time talking to Hitachi, via the phone, and e-mail. So I don't know what is going on. My concern is this. When he changed the resistors, which were green, he replaced them with a blue smaller resistor. Are these the same resistor or was he trying to slide one by me. I'm a nice guy, but when I ask him questions he tell's me different things each time. So if you have any suggestions I could relay to him i would appreciate it.

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Which ic's were replaced and did it inprove the situation.advise the tech not to over look the video mute line .

Posted on Aug 25, 2007

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Posted on Jan 02, 2017

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1 Answer

Picture is going to like a 3D effect


try resoldering the convergence ICs often the pins on the ICs can develope a solder issue.

Feb 10, 2013 | Apex Digital GB5108 51" Rear Projection...

1 Answer

Everything looks like its in 3D vision. Im pretty sure somthing isnt alined right so i was wondering what i can do to fix it.


Replace convergence output ICs in your tv to fix this 3D look picture, it happens due to convergence output chips failure.
Local tv repairman will fix it for you if you have no prior experience of part replacement in tv circuit board with proper tools.

Sep 26, 2010 | Panasonic PT-53WX53 53" Rear Projection...

1 Answer

3d picture and looks like bow tie


Bad STK ICs replace both ICs will have part number on them STK392-110s if this is what you have upgrade to 150s! ICs are Big black ICs also ck 2.7 ohm resistors near ics.

Sep 16, 2009 | Samsung HCM4215W 42" Rear Projection...

2 Answers

I have a sony skp46wt500  it is only 5 years old. i have a green wavy band on top and a red wavy band on the bottom.  everything within these bands are showing double vision.  there is red and green all...


If you have the ORIGINAL remote, you can access the diagnostic computer built into your TV (neat, seems only SONY has it ). Download the manual (google it, it's out there!) and follow the instructions. Universal remotes WILL NOT WORK. Good luck, hope this helps.

Nov 30, 2008 | Sony KP-46WT510 46" Rear Projection HDTV

1 Answer

Red and green wavy lines 3d


Generally speaking a convergence problem will show up as a picture that appears like a 3D image with a bowing from the top and bottom. If this describes the problem, then try resoldering the pins on the convergence ICs. If that fails to resolve the problem, replace the ICs. These are large black ICs attached to a heatsink that should be marked STKxxx.

Keep me posted.
Dan

P.S.

I am sorry about the late response. With the site changes, the questions aimed directly to me were no longer on the initial page and I was not aware of this.

Nov 23, 2008 | Apex Digital GB51HD09 51" Rear Projection...

1 Answer

3d image/sinking effect


This is a convergence problem. Ther are either bad connections at the convergence ICs or the ICs are defective. If you can solder, you can repair this yourself. Try resoldering the pins on the ICs first. If that fails to resolve the problem, replace the ICs. These ICs are large, black and attached to a heat sink. They should be marked STKxxx. Figure on $20 for each one. There will be 2 of them.
Keep us posted.
Dan

Jun 02, 2008 | RCA D52W19 52" Rear Projection Television

1 Answer

JVC AV-56WP74 Please help wavy 3d


If you do not have hand soldering skills or know how to use a multimeter, I would suggest to replace the whole assembly.
If you know how to solder you can just replace 2 ICs that are mounted on the big black heatsinks and possibly 1 or more resistors.
Click here to find the entire assembly for your TV.
Good Luck.

May 02, 2008 | JVC AV-56WP74 56" Rear Projection...

1 Answer

3D image


you have to replace all 3 ic's and 2 are stk 392-110 and the 3rd one is stk 392-150 they are located on the extreme right of your tv on a long heat sink all 3 are located there.You can get replacements as well as free tech online support at
http://servicemanuals.vstore.ca/

Apr 10, 2008 | Hitachi 51UWX20B 51" Rear Projection...

1 Answer

Bad picture quality


You do not need to change the CRT's or lenses. The failure on this TV is the convergence ICs that became defective.
If you know how to solder, this should be an easy fix for you.
The IC markings are STK392-150 with locations IC1502, IC1506, mounted on a big heatsink(s).
If you want to change the complete assembly, you can check this link and ask them if they have the assembly where the STK392-150 ICs are mounted.
Good Luck.

Mar 26, 2008 | Sony KP-61V85 61" Rear Projection...

1 Answer

Suspected Convergence Issue on Toshiba 51H83?


Needs chassis pull & convergence IC's replaced....then
Touch Focus will work again..................T.

Nov 19, 2007 | Toshiba 51H83 51" Rear Projection...

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