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    Moderated By: claudio
    Agoraquest Forum Index Television Troubleshooting
      
    Grand wega stand by light flashes 20 times, then turns off. Dashboard
    Replies: 9 | Views: 3,670
    Last Reply: May 31, 2009, 6:58 pm

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    jehill | junglehummer | drbodin | RobertM |
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    Author Grand wega stand by light flashes 20 times, then turns off.
    junglehummer

    Rank: Sony Fan


    Joined: Nov 09, 2005
    Posts: 4
    From: costa-rica

      Posted: 2005-11-13 14:13

    hello, my grand wega kf-60xbr800 is turning itself off, then 20 or more flashes of the stand by light, you then hear a breaker or clicking noise and it turns back on.  could a bad lamp cause the stand by light to flash? or does the lamp light only indicate a bad lamp?


         


    jehill
    Premium Member

    Rank: Sony Senior Advisor


    Joined: Mar 13, 2003
    Posts: 14283
    From: Sewell, NJ

      Posted: 2005-11-15 18:19

    No, a bad lamp shouldn't cause the standby lamp to flash.  Yes, the lamp light only indicates a bad lamp.  Twenty flashes of the standby lamp isn't a valid self diagnois code.

    -----------------
    -John

    Sony A/V System: KDL-55XBR8, BDP-S550 and AVD-LA2500PKG, consisting of AVD-C70ES Super Audio CD/DVD Receiver, 4 SS-LA500ED surround speakers, 1 SS-LAC505ED center channel speaker and 1 SA-WD200 Active Subwoofer


       
    drbodin

    Rank: Sony Fan


    Joined: Jan 18, 2006
    Posts: 2
    From: usa

      Posted: 2006-01-18 13:43



    We have a KF50XBR800 and we just experienced this same problem last week -Jan 11. We purchased the TV August 2004. We have not had any problems. Anyone have an information what could cause this? We have the extended warrenty. And a Tech came out and was befuddled. He ordered a new lamp and ballis (sp?).

    I'm not sure exactly how many times the Standby light blinks but it is at least 10. It will power down, click and the cycle back on by itself. The stay on for maybe 2 - 3 minutes and do the same thing.

    Thanks in advance.


       
    jehill
    Premium Member

    Rank: Sony Senior Advisor


    Joined: Mar 13, 2003
    Posts: 14283
    From: Sewell, NJ

      Posted: 2006-01-18 15:24

    Welcome to Agoraquest!  Its probably the lamp.  If you haven't tried replacing it, do so.

    -----------------
    -John

    Sony A/V System: KDL-55XBR8, BDP-S550 and AVD-LA2500PKG, consisting of AVD-C70ES Super Audio CD/DVD Receiver, 4 SS-LA500ED surround speakers, 1 SS-LAC505ED center channel speaker and 1 SA-WD200 Active Subwoofer


       
    drbodin

    Rank: Sony Fan


    Joined: Jan 18, 2006
    Posts: 2
    From: usa

      Posted: 2006-02-11 18:07

    Thank you John,
    We had our bulb and ballast replaced and all is working fine now.

    TO NOTE HOWEVER:
    We bought the TV through Tweeter Electronics and this was covered under the extended warrenty but, it took them a month to finally get the work done. We missed the superbowl on the big screen because they let the bulb order slip through the cracks!



       
    jehill
    Premium Member

    Rank: Sony Senior Advisor


    Joined: Mar 13, 2003
    Posts: 14283
    From: Sewell, NJ

      Posted: 2006-02-12 14:59

    I'll bet that you appreciated that!  I am now going downstairs to watch the Olympics for a few hours on my trusty KV-36XBR450.

    -----------------
    -John

    Sony A/V System: KDL-55XBR8, BDP-S550 and AVD-LA2500PKG, consisting of AVD-C70ES Super Audio CD/DVD Receiver, 4 SS-LA500ED surround speakers, 1 SS-LAC505ED center channel speaker and 1 SA-WD200 Active Subwoofer


       
    RobertM

    Rank: Sony Fan


    Joined: May 26, 2009
    Posts: 6
    From: US

      Posted: 2009-05-27 00:07

    I have the same problem with my Sony KF-60XBR800. The set turns on, and then after a couple of minutes, it seems to power cycle. Then the "stand-by" lamp flashes for a bit and the picture comes back on.

    The same "stand-by" light flashing would occur normally if you were to turn the set off, and then immediately turn it back on. It normally will wait a minute before the picture will display. This is what leads me to believe it is something overheating, a relay tripping, or a breaker popping and resetting.

    Also, the picture is clear and bright when it is on, so it is hard to believe it is the projection lamp. Can someone please explain how the lamp could be creating this power cycling condition? i don't have the money to spend on a new lamp unless I am reasonably sure that will fix the problem.

    Also, if I sign up for premium membership, can I get the service manual for this television?

    Please help!


       
    jehill
    Premium Member

    Rank: Sony Senior Advisor


    Joined: Mar 13, 2003
    Posts: 14283
    From: Sewell, NJ

      Posted: 2009-05-27 16:55

    "Bright" is relative.  If you have never replaced the lamp before, I would suggest replacing it now.  As the lamp ages, it presents more of a load on the lamp driver.  Eventually, the lamp driver is unable to keep the lamp lit continuously and the lamps cycles on and off.


       
    RobertM

    Rank: Sony Fan


    Joined: May 26, 2009
    Posts: 6
    From: US

      Posted: 2009-05-27 17:06

    Thank you. It is important for me to understand the cause of the symptom, and not just replace parts. Do you think that there is an advantage (other than simplicity) to replacing the entire lamp housing, or will replacing just the lamp itself solve the problem?

    I just sent a slightly longer version of my question via contact form, also asking whether I can still get the service manual and Document package you had put together for premium members?


       
    jehill
    Premium Member

    Rank: Sony Senior Advisor


    Joined: Mar 13, 2003
    Posts: 14283
    From: Sewell, NJ

      Posted: 2009-05-31 18:58

    The advantage of purchasing and installing a genuine lamp assembly from Sony is that there is less of a chance that it won't work properly after it is installed.


       
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