LGE Internal Use Only
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4. TROUBLE SHOOTING
- 133 -
Test Point
Net name
Description
TP1
VDD3_3
Pow er for i nternal PA and RF interfaces (3.3V)
TP2
VDD1_2
Pow er for WLAN/BT/F M BB co re and AFE/PLL(1.2V)
TP3 VREG_MSMP_
2.7V
Pow er for h ost interface (2.7V)
TP1, 2, 3 is
Ok?
No
Check th e pow er bloc k
START
Yes
SDIO ok ?
UART ok?
No
Board Chan ge
Yes
Modu le Check