- 13 -
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
1-2. In case of No Power
(1) Symptom
1) It does not charge at module.
2) Front LED does not work.
(2) Check the followings
A power cord is plugged in with TV set?
Plug the power cord in.
Is AC-INLET Cable(Red+Blue) connected with th PSU?
Connect the AC-INLET Cable.
Yes
No
No
Are the fuses(F100, F101 or F700) OK on the PSU?
(check open or short status with Multi-meter)
Replace the fuse.
Yes
No
Is the PSU connected with Main Board though a 24pin cable?
Connect a 24p cable to PSU to Main(P1000)pin.
Yes
Measure output voltages(16V, 12V, 5V) on the PSU.
-> [Main P1000] pin1,2:16V; pin(5,6):12V; pin(9~12):5V;
If the measured values are not a proper value, replace PSU.
Yes
No
To Next Page
Loading...
