I have a convergence problem. When you try to adjust the convergence the green line ( which is not adjustable) is not straight. The bottom half of the line is straight but above the center line it jogs to the right until it gets to the top then it jogs back to the vertical center.
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Re: Hitachi 43FDX01B rear projection TV
It is adjustable only in the technician menu. You will most likely need to replace the convergence IC's in the TV. This is a very common issue. The locations are IK04 & IK05 and are generic part numbers STK392-110's.
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Try adjusting the convergence. If it won't move see below- (or hitting Magic Focus for some Hitachi’s) This sounds like convergence output IC problem. convergence board would have to be removed - remove and replace 2 STK IC's and check the surrounding resistors. Shops usually $200-$400 Be sure to vote/rate me if this helped Thanks! See link for more detail http://www.ehow.com/how_4575598_yourself-projection-tv-repair-convergence.html
The green is not adjustable in the customer menu because it is considered the 'master' color. It is adjustable in the technician mode however but if it is curved it won't even adjust properly that way either. The problem is the convergence ampifier responsible for green convergence has failed. The convergence output IC's need to be replaced.
hi i have same prob iv bin told its a convergence chip an thay r £150 ! thay go bout evry 6 years an its comon .. any way there coming 2 fix mine 2day so ill let u know if it sorts it out my mail is [email protected] thanx
Convergence IC's must be changed to start repair..original...
STK392-110 sub to Hitachi upgrade STK394-160E.....PART #
CZ 01341...you need two....
Next, take a critical look at the B+ feed resistors near the IC's..
check for over-heat / damage......usually 2.2 ohm 2 watt......
Let me know....................T.
If you slap the set on the side and the colors shift and dont line up, it is most likely that one of your convergence IC's has cracked solder joints. It is also possible that the IC has burned out. The convergence IC's will have to be resoldered and possibly replaced, and that should be done by someone with experience in repairing and realigning convergence circuits in projection TV's.