Question about Sony KDSR50XBR1 50" Projection HDTV

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Blue screen Bought the tv 2 years ago. Had the optical block changed when we had the yellow streak probem. I just changed the lamp 2 months ago. Stand-by green light flashes for a long time before the picture appears but with no audio. The entire picture is dark in shades of blue.

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I would suggest getting another optical block from the repair man. Apparently even some replacement blocks have had issues...


Posted on Oct 01, 2008

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Posted on Jan 02, 2017

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Sony KDSR50XBR1 50 black screen, no faults! Lamp working, fans OK Sony KDSR50XBR1 50" HDTV: The light engine was working fine before the fan quit starting on it's own. After disassembly, cleaning and lubrication of the fan, I have no errors but the input display or menu options will not post on the screen. The lamp is on but seems to either be projecting a solid black picture, or not be at full brightness and there are no faults. I have a solid greed LED on top, but can get no picture. Sound is fine. What should the lamp voltage be at operating mode? I have tried reseating connectors and pushing on the wires to make sure the connectors seat. This is baffelling because the lamp fired fine for 1 second before the stuck fan issue was corrected and I have no faults now after lubricating the fan. I'm going to check connectors again today as a triple check; as I did remove the power supply. The TV has been reset per instructions in the book. Any advice would be much appreciated but I cannot believe it's the OB as it worked fine before the fan quit and it's about 14 months old. I'm thinking something may not be assembeled correctly, but everthing seems to be pretty idiot proof for re-assembly. Also the menu or input banners will not post. I have 2 new lamps, so it's not that.It seems to be stuck in somne black screen mode. The large fan does start by itself now after cleaning and lubrication, therefore no fault blinks. Please help!!!

Mar 01, 2017 | Sony KDSR50XBR1 50" Projection HDTV

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