working on a insignia M#ns-37d20sna14.no led backlights,audio ok.0v between led+ & led- pins.what should the led voltage be?getting a backlight on command from main.new to led sets.suspect power supply.
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Re: led voltage?
It can be from 40V to over 100V depends on the LED string setup.
Any good clear pictures of the boards?
Did you monitor the Voltage during the start up to see if there is Voltage presents for seconds before it shuts down?Never stop learning
Basic LCD TV and Monitor troubleshooting guides.
http://www.badcaps.net/forum/showthr...956#post305956
Voltage Regulator (LDO) testing:
http://www.badcaps.net/forum/showthr...999#post300999
Inverter testing using old CFL:
http://www.badcaps.net/forum/showthr...er+testing+cfl
Tear down pictures : Hit the ">" Show Albums and stories" on the left side
http://s807.photobucket.com/user/budm/library/
TV Factory reset codes listing:
http://www.badcaps.net/forum/showthread.php?t=24809
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