LG E900 Service Manual page 100

Checking Clock
+VPWR
TCXO LDO
TP1
4
VIN
3
CLK_REQ STBY
Test point
TP1
TP2
Copyright © 2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Sub board top side
1
VDD_TCXO
VOUT
2
GND
EUSY0407101
Net name
CLK_REQ
CLK_IN
Test points of BT / WiFi block
- 101 -
4. TROUBLE SHOOTING
TP1_R701
TP2_C707
VDD_TCXO
CLK_IN
TP2
Voltage level
logic: high
26MHz
VCC GND
4 2
OUT NC
3 1
LGE Internal Use Only