Vizio VO47L 47 in. LCD TV Logo
Anonymous Posted on Jun 21, 2011

When I turn My Samsung LCd On the power button flshes a light and an audible tone plays the screen will light up then go off immediately

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matt martin

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  • Vizio Master 1,259 Answers
  • Posted on Nov 11, 2015
matt martin
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Samsung model LN40A540P2F. You have three bad capacitors on the power supply. Locations and values as follows. CM804 is 25 volts 1000mf at 105 degrees, CM806 is 25 volts 1000mf at 105 degrees, and CM810 is 10 volts 470mf at 105 degrees. Replace these caps with same values. Your TV is now repaired, thanks for asking, Matt of Martins TV Repair.

Bud Martin

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  • Master 11,361 Answers
  • Posted on Jun 21, 2011
Bud Martin
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Samsung model? It may be detecting the shorted circuits in the inverter board or it may have bad power supply due to bad caps.
See excample of failed SAMSUNG TV here (look at LNXXXXX): http://s807.photobucket.com/albums/yy352/budm/SAMSUNG/

If you are going to DIY and have proper tools, electronics knowledge, and know safety precaution then please read on:
Basic LCD monitor and TV troubleshooting guide:
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 pictures: 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 and long life rating such as PANASONIC FM or FC series.

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