Question about Televison & Video
Problem is evidently lens. Try cleaning the lens with Q-Tips and CD cleaning solution. Please be aware that manufacturers warning states that the procedure may affect warranty status.
Regarding the pot tweaking. If you get rid of the problem by spraying air, problem is not pot tweaking, but dirty, scratched or opaque lens. Here how to adjust a Philips potentiometer. Before touching the potentiometer, read Ohms, if you get in troubles set it back to same impedance (it should be between 500 and 600 Ohms). As said I think that the problem is the lens itself.
Posted on Sep 15, 2010
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Posted on Jan 02, 2017
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