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MY Samsung LN40A650A LCD TV MAKES A CLICKING NOISE AND WON T COME ON. There is NO PICTURE AND NO audio.

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The 24vdc/12vdc power supply are not working, look for bad caps with domed tops first, read my troubleshooting guide first:
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.

Posted on Apr 08, 2011

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Hello,
Clicking sound but wont power up because capacitors bulm on pcb smps. read my tips here.
Good luck.

Posted on Apr 08, 2011

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Posted on Jan 02, 2017

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