Question about Akai LCT3201AD 32 in. LCD Television
Our internal power board's voltage has dropped out and the TV no longer turns on. I have a back ground in electronics so I took the volt meter to the various dc outputs and noticed a surging voltage (up and down) - I also noticed the caps had swolen tops.
I replaced all the caps and some of the IC's haphazardly but to no avail.
I would rather replace the damn thing and move on with my life but no one online seems to carry the internal power board.
You can get the schematics for the bn96 00249a smps here in pdf format. http://www.wimtv.be/techniforum/files/ps42p3sx_ch._d58a.pdf
Posted on Aug 14, 2007
SOURCE: power supply
Call 800-726-4405 - But the part may not be available - request an exchange through the manufacturer. By law the manufacturer must provide parts for 5 years.
Posted on Mar 29, 2008
If the power supply outputs are good! Then I would say the back light inverter is bad! If the screen stays black and does not come on.
Posted on Feb 28, 2009
Well, take the plug that goes to the inverter board out which has the 12v on it. Check the 12v again at the power supply. If 12v is low you can possibly have 2 caps bad, the values should be about 1000uf/35v or there abouts. They set close to the plug. If that doesn't work then replace the Power Supply because there are no service manuals for lcd p/s. plus nearly impossible to locate individual ic's. Try Shop Jimmy.com for the P/S.
Posted on Apr 30, 2009
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