Question about Hitachi 51F59 51" HDTV Projection Television
The alignment is off you can see two images one is the real image and then there is a blue image overlapping something burnt out on the TV i smelled smoke
Your symptom sounds like at least one damaged convergence IC.
You are correct you can sometimes rework the solder connections on each of these IC’s, although, if the convergence does not fix itself from time to time, you most likely do not have a bad solder connection. You will have a faulty IC. I recommend to replace them both at the same time because the chips legs can fall off due to the heat of the IC.
Please be sure to remove all of the white heat sink compound on the heat sink and apply a even coating over the back of the new IC’s. You should also bolt them down before you solder them in so that you have them at the correct height.
There are two and sometimes three very large IC’s that control the convergence in a big screen set. I believe that your set has two. They are secured to a very large aluminum heat sink. I think that the IC numbers will be IC8001, 80002.
The IC’s are large and black, you cannot miss them. They will usually have an STKXXX-XXX number on them.
There are several schools of thought on the replacement of parts and I firmly believe that you get what you pay for, so don’t buy the cheapest IC’s that you can find. One company I worked for tried this and it only caused more work for the technicians, as we had to replace them with the more expensive ones in the end. I would think that you should be able to find these for around $60.00 each. If you can find the exact Hitachi part, or Sanyo, even though the numbers on the front are the same, and they look exactly like the $10,00 ones, they are better and more reliable.
I usually order my parts from Andrews Electronics in California, they will have the OEM components that you will need.
Their site is http://www.andrewselectronics.com/welcome.aspx
And their phone number is a 24-Hour Order Desk: (800) 274-4666
I recommend the phone order so you can talk to the person about the different types of IC’s that are available.
You can also try http://www.tvrepairkits.com/ , I have not tried them yet, but they do carry OEM or better parts.
I hope this information allows you to resolve this issue.
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Posted on Jul 17, 2009
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Posted on Jan 02, 2017
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