B. Power error

Standard Repair Process

 

 

Error

B. Power error

Established

2012. 01 .14

 

 

LCD TV

date

 

 

symptom

No power

Revised date

 

7/14

 

 

 

 

 

 

 

 

 

 

 

A11

A13

Check

Power LED

. Stand-By: Red

Power LED Y

On?

N Check

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? . Stand-By: Red 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

 

Page 46
Image 46
LG Electronics 32LS679C-ZC B. Power error, Lcd Tv, Stand-By Red, Check Power LED, Check Power On ‘”High”, Check ST-BY