Question about Hitachi 50FX48B 50" Rear Projection Television
It varies but most of these sets use two of the STK-392-110 CONVERGENCE CHIPS.
BOTH MUST BE replaced and the protect resistors (easy) looked and or tested.
Total parts cost if purchased on EBAY will be under 25 dollars and if you have some talent it can be a do it yourself fix.
Chips are side by side and have the STK number printed on them and are either on two heat sinks with metal fins or one large sink.
I have fixed hundreds of these sets and if I can do it anyone can.
I will attach photo of what typical chips look like and typical convergence problem (no two sets look exactly the same but you will know)
IF THE photos and information told you something you did not know rate this solution as very helpful as I do this here for free.
If you have questions make a comment here and I will assist you.
typical convergence chips
protect resistors for the chips, note the two that are burned or black in the middle--all are low value and a bad one will either be burnt of read likethe colors on convergence dont line up I get a - 2978ee2.jpg.
Typical convergence problem--most of the time just replacing the chips will cure it.
Posted on Aug 22, 2010
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Posted on Jan 02, 2017
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