The power LED blinks 10 times at plug-in
Is there 3.2V
present for a couple of
seconds when the TV is plugged
into the AC
line?
If cable between connectors K1
and A1 is OK, Replace the K board.
NO
NO
Yes
Yes
Replace
The P board
Do the AC relays
click after the TV is plugged
into the AC line?
Replace
The A board
26
Trouble Mode
Dead/No power
Defective Board (Possibility)
P, A, GS, K, GH
Do the AC relays
click after the TV is plugged
into the AC line?
NO
Go to the
Next slide
Yes
NOTE: When taking voltage reading, place your meter’s probe on the test point or pin
indicated before connecting the TV to the AC line. The voltage you intent to measure
may only appear for a brief moment.
Warning: Disconnect AC Power prior to making any
disconnection or connection
Unplug the TV. Using a voltmeter, place the positive
probe at pin 6 of connector P7 while the negative probe is
grounded. Plug in the TV
Unplug the TV and
disconnect connector A1 on
the A board. Plug in the TV
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