Question about Samsung LA40A450 40 in. LCD TV
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Posted on Jan 02, 2017
i had this with my samsung and my mums instead of pressing red power button press either switch from analog tv to digital button or just press a number
Posted on Sep 03, 2008
Panal damage is a possibility however, you may also try to have a tech replace your mainboard since you have sound.
Posted on May 23, 2009
Check back light inverter,if ok then check the 12V and 5V line,if not OK probably the IC in the power supply is defect ( F9222 )
Posted on Jul 20, 2009
if you can do soldering work, replace two 1000uF10v bulging capacitor with 1000uF 16v or 25v in powersupply board. you will save $200.
Posted on Nov 12, 2009
At this point it appears that your main board is probably bad. You most likely have a 5 volt scource going to the main board but its not powering up the set. The main board is part number BN94-00796A.
You might want to have a technician look at the TV to verify this as the issue before purchasing it. Please take a few moments to rate my answer. Thank you.
Posted on Nov 18, 2009
Testimonial: "I was extremely grateful to have a response in such a short amount of time, as soon as I replace the part that was suggested as bad to me, Ill post."
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