LG 43LF63 Series - B. Power Error: No Power

B. Power error
No power
Power
LED On?
Y
N
DC Power on by pressing Power Key
On Remote control or Joystick button.
Y
N
Normal
operation?
Check Power
On ‘”High”
Check Power cord
was inserted properly
Check
Power LED
Replace
Power B/D
Measure output voltage of Power B/D
(Voltage is different at each status - STBY : 8.8V, Power on : 13.2V)
N
Y
Normal
voltage?
Replace Main B/D
Y
OK?
Replace Main B/D
N
Y
Normal?
Check ST-BY 3.5V at Main B/D
And Power output Voltage
(Power output voltage to Main B/D
is 8.8V at STBY Status)
Replace Power B/D
N
Y
Normal
voltage?
Replace Power B/D
Y
☞A17
☞A18
☞A19
☞A4
Standard Repair Process
Established
date
Revised date
6/13
. Stand-By : Red
. Operating : Turn Off
Close
7
Error symptom
Copyright © 2015 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
LGE Internal Use Only