Question about Hitachi 43FDX01B TV

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Double vision with red line at the bottom

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It sounds as though you have a convergence problem. This problem is normally a convergence chip ( there are two (2) of them on the convergence board )
If you intend to correct the problem yourself, always remember to practice precautions by unplugging the tv before removing or servicing the set.
To change these chips, carefully follow these tips . I do suggest you change both chips as I have found that when one goes bad, the other one is on the way out also.

Remove the bottom back cover by using the proper screw driver or nut driver. usally a 1/4 inch nut driver or a phillips screw driver is all that's necessary.

When you have the boards exposed to view, notice on the left center of the convergence board ( the convergence board had 2 large ( large being 3X4 inches) chips next to each other. These chips normally are marked with number like STK 3020, STK 3050 etc.( I don't know the exact number on this perticlar set but they are all about the same ) They usally have about 15 pins ( wires ) coming from them. May be 12 or 18 but normally 15.
This board needs to be removed to change the chips, so remove any screws that mount the board and disconnect each wire connected to the board. ( NOTE : I normally mark each wire with some kind of a color code with permanite marker pen as to know exactly where to reconnect the wire to eliminate any mistakes )
With a soldering iron ( normally one of about 25-40 watts works well ) and some de-soldering wick ( can be purchased at most electronic parts stores or Radio Shack ), remove the chips.
Clean all the connections after taking the chips loose from the heat sink ( the heat sink is the aluminum plate the chip is screwed to ). Apply an ample amount of heat sink compound ( silicon grease it is sometimes called) ( can also be purchased at Electronic Parts Store or Radio Shack ) to the back of the heat sink and reinstall the new chips ( make sure the new chips are of exact numbers as the old), being extra careful not to bend the pins. Solder the pins being extra careful not to jump solder across any connections.( if you happen to apply too much solder and do in fact jump lead across the connections, simply use the de-soldering wick and remove any excess solder ).
Reinstall all the wires and screws to the board ( double check for mistakes ) and turn the set on, checking for the correct convergence. You'lle need to do a quick convergence with the magic focus switch after warming the set up for appr. 20 minutes. Reinstall the back of the set.
The set should work fine.
I do hope this helped
Ed
NC Electronic
Mills, Wyoming

Posted on Jan 29, 2008

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First try the auto convergence. If that doesnt work... try This: Symptom: Had convergence problem, and convergence adjust would not work
Cause: yoke loose and had dropped down, reset yoke and conv. This set doesn't have magic focus

Posted on Jan 29, 2008

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Voltages to IC's There's a shielded module near convergence IC's It could be bad too. Check voltages to It.. I had simular problem /replaced IC's did not fix..Replaced module & did convergence.. TV was fine so try this 1st k

Posted on Jan 29, 2008

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1 Answer

Double vision with red


Double vision means the tv is out of convergence and the convergence board will need to be repaired or replaced.

thanks for using fixya.com please do rate this thanks

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There are two common problems with these sets.

Problem #1) Convergence

Symptoms:
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  • Colors wont align
  • Video may look distorted
Problem #2 CRT Fluid has clouded over. Symtoms
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You can see some examples and find a fix here...

bb0cf99.pnghttp://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

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You need to replace both of the convergence IC's and any bad resistors around them that protect them from damaging the power supply.

This repair can usually be done in the home and takes about an hour; I have done hundreds of them and now is a slow time of year for TV shops; look around if you are not able to do this repair; you can buy the chips on Ebay for less than 15 dollars for a pair plus shipping.

This is a very common problem in projection sets.

If this has helped you give me a vote here as I do this for free. If you have questions or need help:

etower.766@netzero.net

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Convergence ICs STKs replace both of them If they are STk392-110s up grade to 180s better ICs They are big black chips order parts at Electronix Parts 1-800-223-3205 you will need to also buy heat sink compound to put on back of new ICs.

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Depending on the age of the unit. You have a convergence problem. This is not uncommon. You can contact a servicer thru this homepage and have them look at it. Convergence issues could be anywhere from 200-350 depending on your area.

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Model 43FDX01B double vision with red ark across bottom . and no user manual.


Projection sets have two very common problems.

The first common problem is convergence


These sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the picture to look normal. This is called convergence.

When its out of alignment the video will look 3-D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired. Convergence problems are very common on all Projection TV sets including Sony, Samsung,JVC,Philip Magnavox,Panasonic,Akai,Pioneer, Hitachi,Mitsubishi,Zenith and others.
You can get more information and a DIY convergenece repair kit with instructions from the link below.

Here are some of the most common problems with these sets...

*Screen Looks 3-D
*Colors wont align
*Screen may look distorted or warped
*No Audio/Video - TV Shuts down - May also make a constant chirping sound

Problem #2 - Another common problem is dull or washed out video.

Your set may have one or more of the following symptoms....

*Dull looking picture
*White looking picture
*Halos around objects
*Red/Orange looking picture

bb0cf99.pngYou can see some more examples and find a fix using this link on Fixya http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Oct 10, 2008 | Hitachi FDX Series 43FDX10B 43" Rear...

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