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Old 05-10-2016, 11:23 AM   #7
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: Issue with acer v173 CCFL inverter

The PWM line on the power supply/Inverter board has the pull-up resistor to pull PWM LINE HIGH, the output of the MICRO controller IC does the PWM switching and it stuck ON so the output is at GND right now.
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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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