Question about Sony KDS-R60XBR1 60" Projection HDTV

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Kds-r6oxbr1 Did cleaning the fan eliminate the 4 flashing red lights and if not, did the solution wind up being the lamp? We are going to attempt your advice on cleaning the fans. Does Sony acknowledge this as a manufacturer's problem and are they offering any compensation like with the Optic Block?

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  • garg55 May 13, 2008

    Have had the same problem with the Sony KDS-R50XBR1 50 in. Used compressed air several times on the fan through the grids. It will usually last a day or two and then the same problem occurs.


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After Talking to a Sony Tech, I have learned that the three blinking lights is a problem with the contact for the lamp door. The four blinking lights is a problem with one of four fans which is usually the lamp fan that everyone has to spray with compressed air. Sony with not cover any of these problems under the extended warranty for the optical block problem. So I guess we will have to keep spraying with air, but sooner or later the fan will stop completely and that will cost about 4 to 5 hundred dollars to have fixed.

Posted on May 22, 2008

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I had the greenish tint problem and the service technician came out and replced the optical box for free under the sony extended warrantee. The technician exlained that the optical box design gets too hot and destroys teh first LCD screen nearest the bulb (green). The new optical blocks have a filter lense placed in front of the green LCD screen to try to cut back some of the heat so it doesn't happen again.  After he left, we started getting the intermittent porblem of the set shuttng down after 2 seconds of picture and the red light flashies four times.  For a few weeks, it would eventally come back on if tried a few more times, but last week it just wouldn't comeon anymore.  I called the technician and he said that the sets that had the optical box problem, oftern had this problem because the excess heat warped the door on the light. there is a little plastic pin on the door near the screw that goes into a whole in the set and triggers a micro switch, which is intended to make sure the light doesn't comeon if the door is not completely closed. When the door warps just a ittle, the pin does not engage the micro-switch enough and the set thinks the door is not installed.  I opened the door and closed it again, making sure it was firmly seated and teh screw was tight.  the set started right up like normal.  He said he has ordered a new door and will drop by and put it on when it comes in.....also complete;ly covered by the Sony extended warrantee for teh optical box problem.  Hope this helps.  The set has a better picture than any other projection TV I have seen....when it works. I am still glad I bought a Sony because they have stepped up and taken responsibility for this obvious design flaw on a $4K TV.  What amazed me is all the postings I read where people have no idea why this is happening. My technicain said he changes a couple of optical blocks a week and knew immediately that the warped door was the four red light problem. He has changed so many, that he said his first time it took almost 3 hours ( all the guts of the set have to come out to get the optical box out...not something i would recommend for the amateur), but now he does it in 45 minutes.....which I witnessed. He also took the time to vacuum out allthe inside of the set when he had it all apart. Loquatius

Posted on May 21, 2008

  • Loquatius May 21, 2008

    p.s.  did I mention that I bought my set at Tweeters, Dec 2005, without the extended warrantee ? None of this has cost me a dime. Sony covered it all.  By the way, my bulb died fater I had the set 18 months. Tweeters said they could order me one and it would take a week or so.  I called the Sears national repair center and they sent me one overnight for $250 (same price as Tweeters) and I installed it in less than 3 minutes. However, when the techician came out to replace the optical box, he mentioed that there are three intensity setting on the set (normal, professonal, vivid )  He said that many of the delivery guys set it up initially on "vivid" because this is the brightest and looks best, expecially during the day. The problem is that the extra brightness not only burns out the bulb signifiicantly faster, it also adds significantly to the overheating problem with the optical box, fans and door warping.  I leave it on normal,now.  If I am watching an afternoon ballgame, I will close the curtaines in the room instead of kicking up the intensity of the lamp......and save both the lamp life and the new optical box !!! ....and teh plastic door :-)


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