LG 65UH8500 - Power Error; No Power

B. Power error
No power
Power LED
On?
Y
N
DC Power on
by pressing Power Key
On Remote control
Y
N
Normal
operation?
Check Power
On ‘”High”
Check Power cord
was inserted properly
Check
Logo LED
Replace
Power B/D
Measure the each output
voltage of Power B/D
N
Y
Normal
voltage?
Replace Main B/D
Y
OK?
Replace Main B/D
N
Y
Normal?
Check ST-BY Voltage
Replace Power B/D
N
Y
Normal
voltage?
Replace
Power B/D
Y
☞A17
☞A18
☞A18
☞A18
Standard Repair Process
Established
date
Revised date
6/16
Error
symptom
6
. Stand-By: Red or Turn On
. Operating: Turn Off
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