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Old 11-07-2019, 11:18 AM   #7
budm
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Join Date: Feb 2010
City & State: S.F. Bay area
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Default Re: TCL 55S401 LED LCD TV no backlight

Lets see some good clear pictures of what we are dealing with.
Opening up the LCD panel is the LAST thing you want to do.
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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

Last edited by budm; 11-07-2019 at 11:29 AM..
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