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Troubleshooting (No Power/Dead Unit) Part 2
Is
there 3.3V at
pin 6 of connector P7 when the
TV is plugged into
the AC line?
Reconnect
A1 and Disconnect
connector A52.
Do the AC relays click after
the TV is plugged into
the AC line?
If cable between connectors K1 and A1 is OK,
Replace the K board
Continue from
Previous slide
NO
NO
NO Yes
Yes
Yes
Replace
The P board
Disconnect
connector A1.
Do the AC relays click after
the TV is plugged into
the AC line?
Replace
The A board
If cable between connectors GS52 and
A52 is OK, Replace the GS board
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