Question about Samsung HLS4266 TV

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Samsung HLS4266 DLP tv. Shuts down, timer, lamp, standby/temp lights blink. Replaced the lamp, picture brighter, but still shuts down

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  • Jeff Angus Apr 07, 2011

    I unplugged the tv and hit the power button, but the problem is still happening. The tv stays on for about 20 minutes or so, then shuts down with the lights blinking. Could it be the fan?

  • Jeff Angus Apr 07, 2011

    The tv fires up fine, would the balast cause it to shut down after a period of time?

  • Jeff Angus Apr 07, 2011

    Thanks, it sure sounds like the ballast. I am going to check the fan tonight and see if that is it; if not, then the ballast it is. Thanks for the help

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  • Master
  • 10,515 Answers

Hi,

In all likelihood then the ballast is failing, this is very easy to replace just a little board attached to the lamp by a couple of wires, just when you remove lower bottom have a look at the lamp wires and you wont go far wrong it's available here

http://www.partstore.com/Part/Samsung/Samsung/BP4700037A/New.aspx?ModelMfgName=Samsung&ModelBrandName=Samsung&ModelNumber=HLS4266WX

The part is in that link highlighted in my last post just click on it and it will take you to the supplier, if you cant fit it yourself a technician shouldnt charge more than $100 for the housecall and fitting unfortunately there are a lot that want $150 just to turn up so if you could get someone whos practical this is very easy to do.

Let me know,if needed further assistance.

Hope i helped you.

Thanks for using ' Fixya ' and have a nice day!!

Posted on Apr 07, 2011

  • taran_2005
    taran_2005 Apr 07, 2011

    Thanks for your response!!

    Yes, there is huge probability. We have discussed in many forums when people thought they have received a faulty lamp and they again replaced it.Many people also spent money on color wheel, however in the end it was faulty ballast.

    Let me know,if needed further assistance.

    Hope i helped you.

    Thanks for using ' Fixya ' and have a nice day!!


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  • Samsung Master
  • 2,098 Answers

Hi,
Unplug the unit for 30 minutes, while unplug press and hold the power on switch for 1 minute to refresh the board. Plug the unit back to the outlet then power on again...
If the symptom still there, the power supply was gone to out-of-regulation which caused the subsequent shutdown. Most common parts to be check are the following.
1. Bad solder joints - look for crack/dried/cold solder in that board. This is hard to spot, used in the brightest area or you may used portable/table lamp to locate it in the board. Re-solder all bad solder joints.
2. Check for leaky/dried electrolytic capacitor - it will drop the supply from normal voltages and will trigger the blinking of the led light. Leaky capacitor has a bulged/dome at the top but the problem is the dried capacitor which has no indication of physical defects. You must have a capacitor checker to determine its condition.
3. Open fuse/ fusible resistor - this will disable some of the board. This is in series in the output derived from the power supply section.
If you don't have necessary tools and test instrument and can't troubleshoot the symptom yourself I would advice you to look for a qualified technician to isolate the problem. Don't work in that board if you don't know safety precaution of handling it.
Hope I helped you.
Have a nice day!
Thanks for using Fixya.

Posted on Apr 07, 2011

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