Slide #27
SU Board Resistance Test (All Models)
Procedure:
Using a digital meter
measure the resistance
between VF-ground
(Floating ground) and
pin 2 of connector SU41
on the SU board.
The normal resistance
should be approximately
2.1Mega-ohms.
Note: A low resistance
reading indicates a
defective SU board.
Preparation:
Disconnect AC Power prior to making any disconnection or connection.
Wait at least 2 minutes before the removal of any connector.
Note: If the power LED continues to blink even after the TV is unplugged, press and hold the power
switch on the TV for a few seconds until the LED turns off.
Unplug connector SU41 and SU11. Remove the 2 floating ground screws from the SU board.
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