LG -V909DW Service Manual page 64

4.3.1 Checking RF Block
The overall flow is as following.
Battery Power Okay?
MDM PWR N – Low
MDME,MSMC okay?
32.768K Clock okay?
19.2M Clock okay?
SIM DET okay?
Antenna Bar Okay?
information okay?
Check the CP Board
LGE Internal Use Only
Start
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Is Phone
Chart 1 RF Block checking sequence
No
Charge the Battery
No
Refer to previous page.
No
No
Change 32.768 KHz XO
No
Change 19.2 MHz XO
No
Replace another SIM card to the
No
No
Update Modem F/W
- 64 - Copyright © 2011 LG Electronics. Inc. All right reserved.
4. TROUBLE SHOOTING
Check SIM Card
phone
Check RF Block
Only for training and service purposes