topic KDF-42A12U Blue spots on screen, getting worse in Home Cinema, Projectors & Players https://community.sony.rs/t5/home-cinema-projectors-players/kdf-42a12u-blue-spots-on-screen-getting-worse/m-p/173203#M4387 <HTML><HEAD></HEAD><BODY><P>I have an issue with a 42 inch DLP television that has blue spots on the screen. The visibility of the blue spots is increasing on a weekly basis. An internet search has identified that the optical block may be the cause.</P><P></P><P>Has anyone experienced a similar problem and what was the solution?</P></BODY></HTML> Wed, 13 Oct 2010 22:00:19 GMT time2innov8 2010-10-13T22:00:19Z KDF-42A12U Blue spots on screen, getting worse https://community.sony.rs/t5/home-cinema-projectors-players/kdf-42a12u-blue-spots-on-screen-getting-worse/m-p/173203#M4387 <HTML><HEAD></HEAD><BODY><P>I have an issue with a 42 inch DLP television that has blue spots on the screen. The visibility of the blue spots is increasing on a weekly basis. An internet search has identified that the optical block may be the cause.</P><P></P><P>Has anyone experienced a similar problem and what was the solution?</P></BODY></HTML> Wed, 13 Oct 2010 22:00:19 GMT https://community.sony.rs/t5/home-cinema-projectors-players/kdf-42a12u-blue-spots-on-screen-getting-worse/m-p/173203#M4387 time2innov8 2010-10-13T22:00:19Z KDF-42A12U Blue spots on screen, getting worse https://community.sony.rs/t5/home-cinema-projectors-players/kdf-42a12u-blue-spots-on-screen-getting-worse/m-p/173204#M4388 <HTML><HEAD></HEAD><BODY><P> Hi,</P><P>Best if you post your question on Home Cinema &amp; Projectors page. Thanks.</P></BODY></HTML> Wed, 13 Oct 2010 22:43:21 GMT https://community.sony.rs/t5/home-cinema-projectors-players/kdf-42a12u-blue-spots-on-screen-getting-worse/m-p/173204#M4388 slowtrain 2010-10-13T22:43:21Z KDF-42A12U Blue spots on screen, getting worse https://community.sony.rs/t5/home-cinema-projectors-players/kdf-42a12u-blue-spots-on-screen-getting-worse/m-p/173205#M4389 <HTML><HEAD></HEAD><BODY><P>Topic moved into correct folder.</P><P>Nico</P></BODY></HTML> Thu, 14 Oct 2010 08:31:12 GMT https://community.sony.rs/t5/home-cinema-projectors-players/kdf-42a12u-blue-spots-on-screen-getting-worse/m-p/173205#M4389 tweety2b 2010-10-14T08:31:12Z KDF-42A12U Blue spots on screen, getting worse https://community.sony.rs/t5/home-cinema-projectors-players/kdf-42a12u-blue-spots-on-screen-getting-worse/m-p/173206#M4390 <HTML><HEAD></HEAD><BODY><P>Hi if you are experiencing issues with picture quality it could be an issue with the optical block or the lamp, if you remove the lamp and check it is clean and then try again it may resolve issue, however if it remains the same only an engineer could advise further, as the unit would have to be dismantled</P></BODY></HTML> Mon, 22 Nov 2010 16:54:56 GMT https://community.sony.rs/t5/home-cinema-projectors-players/kdf-42a12u-blue-spots-on-screen-getting-worse/m-p/173206#M4390 specialist-convergence 2010-11-22T16:54:56Z