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Old 02-09-2021, 12:26 PM   #4
budm
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Join Date: Feb 2010
City & State: S.F. Bay area
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Line Voltage: 120V 60Hz
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Default Re: Sceptre X505BV - Logo appears for 1 sec then backlight shuts off, LEDs tested goo

"Using the LED backlight tester I was able to confirm all LEDs are illuminating" Did you take apart the panel to see that all LED lights up?
What Voltage does the LED tester show on the reading for each LED string?
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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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