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Standard Repair Process
Error
symptom
☞A17
Check
Power
Logo LED
LED On?
. Stand-By: Red or Turn On
. Operating: Turn Off
Check Power cord
was inserted properly
Normal?
Close
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Only for training and service purposes
B. Power error
DC Power on
Y
by pressing Power Key
On Remote control
N
N
Y
※
Check ST-BY 3.5V
☞A18
No power
Measure voltage of each output of Power B/D
Y
Normal
Y
voltage?
Replace Power B/D
N
Replace Power B/D
6
Established
date
Revised date
☞A18
N
Normal
Check Power
On '"High"
operation?
Y
☞A18
Y
Normal
Replace Main B/D
voltage?
N
6/16
Y
Replace
OK?
Power B/D
N
Replace Main B/D
LGE Internal Use Only
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