Question about Akai CFTD2011 20 in. EDTV-Ready LCD Television

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I think the lamp blew up, i was watching and i heard a popping sound

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More likely to be the power supply for the backlights or the backlights invereter circuits blew up, not the lamp assemblies.
If you are going to DIY and have proper tools, electronics knowledge, and know safety precaution then please read on:

Please see my basic troubleshooting guide here:
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
http://www.fixya.com/support/r7406380-tv_training_manuals
Failed TV and Monitors: http://s807.photobucket.com/albums/yy352/budm/
Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague
Parts: www.shopjimmy.com
Capacitors kit: http://lcdalternatives.auctivacommerce.com/Default.aspx he can make you a set of caps.
Or www.digikey.com just make sure to use caps with low ESR, 105c, high ripple current, long life rating such as PANASONIC FM or FC series.

Posted on Dec 30, 2010

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Posted on Jan 02, 2017

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1 Answer

I heard two popping sounds and now my television will not power on.


A popping sound as you describe sounds as if your tv blew a couple capicators on the main control board. More than likely , you are needing to aquire a new main circuit board.

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You are correct in this assumption it is more than likely the lamp that blew after too many hours or getting to hot.

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when you replaced the lamp were you wearing gloves,I hope so if not that could pop it.Other then that most likley a faultly bulb.

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A pop is usually a power surge and you blew a board. If you take the tv apart, if this is it, it will be evident by the burn marks. You could have burned out the internal power supply as well.

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Lamp inside TV is broken and requires replacement. Pop sound was its breaking sound.
Lamp replacement procedure is written in user manual, pretty easy.
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If the lamp is blowing that soon, the cooling fan is not working, or is plugged with dust. I have heard some people have a filter that needs changing or cleaning. Check your manual. The cooling fan is on the optical block and not easy to get to.
Probably a job for a tech.

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You need to replace the lamp in this set. The "pop" you heard was the lamp popping.

Josh

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