Power Error - LG OLED55E7 Series Service Manual

Check outlet
Standard Repair Process
Error
Check A/C cord
symptom
Check for all 2- phase
power out
Fix A/C cord & Outlet
and check each 2
phase out
B. Power error
N
Off when on, off while viewing, power auto on/off
Y
☞A10
Check Power Off
Error?
Mode
CPU
Abnormal
Abnormal
1
※ Caution
Replace Power B/D
☞A9
Check and fix exterior
of Power B/D Part
(If Power Off mode
is not displayed)
Normal
Check Power B/D
voltage?
voltage
7
Established
date
Replace Main B/D
Revised date
Replace Power B/D
Y
Replace Main B/D
N
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Only for training and service purposes.
Y
N
End
Normal?