Table of Contents
Advertisement
(1) Check voltage(TP1)
(2) Check voltage(TP2)
LGE Internal Use Only
CHECKING FLOW
TP1= 3.3V
Yes
Yes
TP2= 2.6V
Yes
(3) Check
voltage(TP3,TP4)
TP3, TP4= 3.3V
Yes
Working?
Working?
Yes
FM300 working well !
No
Check the U603 Soldering
If soldering is fine
No
Check the R509 Soldering
If soldering is fine, change U501
No
Check the R612, R611 Soldering
If soldering is fine, change U603
No
Check the U601 Download
If Download is fine, change U201
- 66 -
Copyright © 011 LG Electronics. Inc. All right reserved.
4. TROUBLE SHOOTING
Only for training and service purposes
Hide quick links:
Advertisement
Table of Contents
Troubleshooting
