Question about Televison & Video
1. This issue stems from the horizontal sync. this is related to the either the horizontal circuit on the main board or the stabilizer circuitry in the that section/
It will take a schematic,test equipment and component replacement to fully ascertain the section on the main board that is giving you the 8" screen area that is black.
2. Your Flat Panel TV will need service.
Posted on Apr 11, 2011
this fault is called h "horizontal shift". This is not a user adjustable one, and not a simple proble as you consider. To rectify this fault, you have to go to in its "Service Mode' to make adjustments with. As the picture in your TV is shifted to a distance of 8 inches, there must be some componet failure assciated with this. With service mode adjustments, the position of shift can only be adjuste to a little, say 1 inch or so. Therefore, a component failure is sure. it may be in horizontal synchronization section or synchronisation serperator IC section. Both these sections will seem more complicated even to and experienced service technician.
So I advice you to not to make any further adjustments, or attempt to repair it by yoursef in the TV, as it may make things more worse. Please do not use this TV till this fault is rectifed, as there is a chance to get its video outout DAC to get damaged, and if it gets out, it will cost much more to you, as there is no repair to this DAC section, only card replacement can be done.
Get the TV repaired by a "well experienced" serivce technician, or contact the neareset Panasonic Service Center to you. Good Luck
Thanks for using Fixya.
Posted on Apr 10, 2011
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Posted on Jan 02, 2017
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