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.
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.
Addressing Power-up/Start-up Issues:
1. Unplug the breadmaker.
2. Confirm the power source your accessing is live using a blender, toaster, etc.
3. Plug the breadmaker in.
4. Confirm the breadmaker is receiving power:
3. Were you unable to confirm that your breadmaker is receiving power? Sorry to hear that. Attempt to have the breadmaker serviced by a small appliance repair facility or simply discard it.
4. Were you able to confirm that your breadmaker is receiving power? Fantastic! Now reset the breadmaker by pressing the Start button down until you notice a visible and/or audible confirmation, usually within 5 to 10 seconds.
That should fix it. Hope this helps!
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