Question about Sony KDS-50A2000 50" HDTV

6 Answers

Kds 50a2000 lamp blows

I have a Sony KDS-50A2000 TV. It is about 1.5 years old. The lamp blew out. I replaced it with a new one and thye TV worked for about 10min and then blew the new lamp. The red lamp light blinks 3 times. What could be causing the lamp to blow?

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  • wam22777 Mar 12, 2009

    The new lamp blew. The tv is causing the lamps to blow.

  • wam22777 Mar 12, 2009

    I have a Sony KDS-50A2000 TV. It is about 1.5 years old. The lamp blew out. I replaced it with a new one and thye TV worked for about 10min and then blew the new lamp. What could be causing the lamp to blow?

  • wam22777 Mar 12, 2009

    have a Sony KDS-50A2000 TV. It is about 1.5 years old. The lamp blew out. I replaced it with a new one and thye TV worked for about 10min and then blew the new lamp. What could be causing the lamp to blow?

  • wam22777 Mar 12, 2009

    have a Sony KDS-50A2000 TV. It is about 1.5 years old. The lamp blew out. I replaced it with a new one and thye TV worked for about 10min and then blew the new lamp. What could be causing the lamp to blow?

  • wam22777 Mar 12, 2009

    Cmon guys help me out here. It's not a faulty lamp, it's not resetting a timer, or replacing a cover. Something is drawing to much power making the lamp blow. What could it be?

  • wam22777 Mar 12, 2009

    I have a Sony KDS-50A2000 TV. It is about 1.5 years old. The lamp blew out. I replaced it with a new one and thye TV worked for about 10min and then blew the new lamp. The red lamp light blinks 3 times. What could be causing the lamp to blow?

  • wam22777 Mar 12, 2009

    I know the lamp is blown because I removed it and the filament is shattered. Forget about the blinking light. The blinking light is not reliable becuase there is no lamp at this time thus no cover. It is my wish to discover the fault that is causing the lamp to blow before I destroy another another one.

  • wam22777 Mar 12, 2009

    thank you!

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6 Answers

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Hi, the ballast are bad. replace this and you will be OK.

Posted on Mar 12, 2009

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  • Master
  • 564 Answers

Hi,
Did you use an original Sony lamp? If so, I would say that the problem lies with your lamp ballast, or lamp power supply. Also, keep in mind that, although rare, occasionally the lamp power supply will fail in such a way that it will take out the lamp and any other lamp that is put in. So if your new lamp is blown, it is likely the lamp power supply that is at fault and you will require a new lamp as well.

Thanks, PREM

Posted on Mar 12, 2009

  • Prem  Kumar
    Prem Kumar Mar 12, 2009

    If you remove the rear cover, the lamp driver (power supply) is where the two red wires that go to the lamp assembly come from.  Follow the wires from the lamp back to the lamp driver.  You can go the the website that you mentioned and call them at the 800 number listed for help looking up the part number.


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Hi.. try to replace the lamp and do reset timer in customer menu. this is a common problem with all Sony.....

thank u!!

Posted on Mar 12, 2009

  • Prakash Ram
    Prakash Ram Mar 12, 2009

    hi...make sure that you didn't hurt the little micro switch in the door cover that you
    took off. If that little switch isn't activated, the set won't turn on
    at all. Make sure you hear it " click" Or you can hold it manually with
    the door removed and see if set turns on then. If it does, then its high time that you have
    found the fault.....
    thank u


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It sounds like your new bulb was faulty especial if its a refurbished one that would explain why it blew so quick lots of place sale cheaply made bulbs that should'nt be used, also you want to make sure that the lamp you bought was the exact type made for your t.v. this also would cause it to blow so quick

Posted on Mar 12, 2009

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Three blinks - B+ over voltage protection (OVP), unit goes to the standby mode then displays the 3 blink fault. This is also a problem in the power supply circuit, check T603 and R672.

Posted on Mar 12, 2009

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3 times blink is Lamp cover error. Please check lamp cover that must be seated properly.
New lamp is just fine in TV and will work.

Posted on Mar 12, 2009

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  • Shahid Electronics
    Shahid Electronics Mar 12, 2009

    I gave you correct solution / info as you said led blinks 3 times.
    If lamp is blew then you will see lamp led flashes non-stop.
    You have not placed lamp cover properly as there is safety switch to tells system control about door open or close.
    Please check Lamp Door/ Cover and make sure its fixed well.

  • Shahid Electronics
    Shahid Electronics Mar 12, 2009

    How do you know Lamp is blown?
    Do you know how DLP Lamp does work?
    Why don't you double check Lamp Cover which is not fixed properly and causing 3 times blink.
    I'm providing you 3 blink error info from Sony KDS-50A2000 service manual.
    Below is an image of first page of S-M



  • Shahid Electronics
    Shahid Electronics Mar 12, 2009

    Ballast Lamp does not have any filament inside like ordinary house lamp.
    DLP TV Lamp drives through approx 1K volts produced by ballast supply to generate light by spark between electrodes of lamp.
    I hope you got original Sony lamp as replacement and it is not aftermarket or compatible lamp.




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Sony KDS-50A2000 Service Manual


Download Sony KDS-50A2000 HDTV Service Manual

Models: KDS-50A2000 / KDS-50A2010 / KDS-55A2000 / KDS-60A2000 / KDS-60A2010

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Download Sony KDS-50A2000 HDTV Service Manual

Have you misplaced your Sony KDS-50A2000 HDTV Service Manual?

Would you like a digital, searchable, pdf version of the Sony KDS-50A2000 HDTV Service Guide?

Follow this link (& click FREE) to download a pdf version of the Sony KDS-50A2000 HDTV Service documentation.

I hope that helps.
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on May 06, 2010 | Projection Televisions

Tip

Sony KDS-50A2000 Service Manual


Download Sony KDS-50A2000 HDTV Service Manual

Models: KDS-50A2000 / KDS-50A2010 / KDS-55A2000 / KDS-60A2000 / KDS-60A2010

43060df.jpg


Download Sony KDS-50A2000 HDTV Service Manual

Have you misplaced your Sony KDS-50A2000 HDTV Service Manual?

Would you like a digital, searchable, pdf version of the Sony KDS-50A2000 HDTV Service Guide?

Follow this link (& click FREE) to download a pdf version of the Sony KDS-50A2000 HDTV Service documentation.

I hope that helps.
__________________________________

on May 06, 2010 | Sony KDS-50A2000 50" HDTV

1 Answer

The light bulb of my Sony KDS-50A2000 busted, I bought a new bulb and I need instruction/procedure to replace it.


Operational manual has instructions about lamp replacement, click Sony Support to download copy, if required and check page-51 for detailed info.

Sep 08, 2010 | Sony KDS-50A2000 50" HDTV

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I have a Sony SXRD KDS-50A2000. The picture has started going on and off- on 5 seconds then off 30 seconds to a minute. The bulb was replaced 10/1/09 and the bulb indicator is not flashing or anything. ...


Bulb was replaced within a year.That the first thing to replaced.The Ballast board is dead,you hear alot of clickings too?The Ballast board,that the board help to ignite the projection lamp.

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If lamp has been replaced then press Menu button on remote and select Settings then go to last option Lamp Replacement and follow instructions there.
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My tv sony kds-50a2000 dont tur ON


I have a Sony KDS-50A2000 50 in. HDTV Television. I just replace the lamp because I got the message that appeared on the TV. Lamp needs to be repaced. I replace with a Sony lamp and now TV cut off after 2 to 3 hours off watching the TV. Any Idea what is going on with this TV

Jan 02, 2009 | Sony KDS-50A2000 50" HDTV

1 Answer

KDS 50A2000 red lamp light blinking 2 times


Did you use an original Sony lamp? If so, I would say that the problem lies with your lamp ballast, or lamp power supply. Also, keep in mind that, although rare, occasionally the lamp power supply will fail in such a way that it will take out the lamp and any other lamp that is put in. So if your new lamp is blown, it is likely the lamp power supply that is at fault and you will require a new lamp as well.

Dec 10, 2008 | Sony KDS-50A2000 50" HDTV

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Sony kds 50a2000 power light blinking


Your lamp has blown. You can order the lamp from Sony and replace it yourself. You can purchase the lamp here:

http://www.sonystyle.com/webapp/wcs/stores/servlet/SearchCatalog

Other vendors also sell this lamp at a cheaper price (check the net)

Aug 07, 2008 | Sony KDS-50A2000 50" HDTV

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