LG KE820 - Network selection

5. Trouble shooting
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5.12.7 Trouble Shooting of Transmitter Part
Checking Flow Checking Points
Check point
VCTCXO
Check point
PLL Control
Setup Test Equipment
Cell Power : -7 4dBm
EGSM CH30
DCS CH6
Check point
TX I/Q Signal
Re-Download S/W & RF
CAL
Check point
Transceiver
Check point
PAM Control
Check
FEM & Mobile
1
2
3
4
5
6
1
2
3
4
5
6
Figure 17. Main PCB Top
Figure 18. Main PCB Bottom