Standard Repair Process
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| Error | B. Power error | Established | 2012. 01 .14 |
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| LCD TV | date |
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| symptom | No power | Revised date |
| 7/14 | |
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☞A11
☞A13
Check
Power LED
. Stand-By: Red
Power LED Y
On?
N 
Check Power cord was inserted properly
DC Power on
by pressing Power Key On Remote control
Normal N operation?
Y
☞A4
Check Power On ‘”High”
Y Replace
OK? 
Power
B/D
Replace Main B/D
N
Normal?
Y
Measure voltage of each output of Power B/D
※
Close
Check ST-BY 3.5V
☞A12
Y
Normal
voltage?
N
Replace Power B/D
Normal Y voltage?
N
Replace Power B/D
Replace Main B/D
Copyright © 2012 LG Electronics. Inc. All rights reserved. | LGE Internal Use Only |
Only for training and service purposes |
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