Question about Hitachi 53FDX20B 53" Rear Projection Television
Hitachmi 43fdx20b The magic focus is not working,tv still look like 3D. Just need someone to show me what parts i need and the schematic on were the parts are located. Than i will do the work my seft.Thanks need help.
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Posted on Jan 02, 2017
the convergence IC`s and associated resistors have to be replaced, do not repeatedly push magic focus or the alignment after the parts change out will take longer which of course means higher repair bill, good luck
Posted on Nov 27, 2007
Hi, replace the convergence IC`s and any fried resistors and chemical fuses (if any), do not push magic focus anymore it will not correct the prroblem and it will evenntually corrupt the DCU and cause you more problems (and of course more money), questions? ask awayy, video-tek
Posted on Feb 08, 2009
Replace Both of your STK ICs they are Big Black ICs Also CK and replace these resistors RK42 3.3 /RK46 1.8 /RK50 2.7/ RK54 1.5 RK54 1.5/ RK58 3.9 /RK62 2.2
Posted on Feb 16, 2009
SOURCE: Hitachi 53FDX20B 3D picture
This set uses two STK--392-110 type convergence chips----You can buy both on Ebay for less than 13 dollars plus shipping. Both chips need to be replaced and any damaged resistors around them located and replaced also--most of the time the set just needs both chips replaced and then adjusted.
If you cannot do this repair yourself--look in your area--most shops TRY to charge 300-400 for this kind of repair----I do lots of them here--did two Hitachi sets with this problem yesterday for 200-250 total.
MAKE SURE WHOEVER you get to do this changes BOTH CHIPS--SOME techs will come out and just replace one--in a short time the set will have the same kind of trouble again---Now is the slow time of year for TV repair shops---shop around for someone who will do this repair IN YOUR HOME--almost any good tech can do it in about 1 hour---if they say it "has to go to the shop" keep looking.
The chips are black(2 1/2 inches wide and about 1 1/2 inches tall with 18 pins) and will have the STK number printed on them in white--they are located on either one large metal heat sink with fins or two smaller heatsinks that are side by side.
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Posted on Sep 06, 2009
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. 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, Zenith, and others. You can get a convergenece repair kit wiith instructions from the links below.
Here are some of the most common problems with these sets...
Problem #1) Convergence
Yours may have one or more of the following symptoms
Another common problem is dull or washed out video.
Your TV may have one or more of the following symptoms....
You can see some more examples and find a fix here
Posted on Apr 03, 2010
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