Name: LG OLED77Z19LA
Brand: LG
Rating: 4 (1 reviews)

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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 
Power Indicator
Replace 
Power B/D
Measure 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 Power ST-BY 7.8V
Replace Power B/D
N
Y
Normal
voltage?
Replace Power 
B/D
Y
☞A8
☞A9
☞A9
☞A9
Standard Repair Process
Established
date 
Revised date 
6/18
Error
symptom
6
. Stand-By: Red  or Turn On
. Operating: Turn Off
Close
N
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