5. Trouble shooting
5.13.2 Trouble Shooting of Receiver Part
Checking Flow
Checking Points
START
Setup Test Equipment
Cell Power : -7 4dBm
EGSM CH30
DCS CH699
Check point
VCTCXO
Figure 2. Main PCB
Check po
int
PLL Control
Check point
Mobile SW & FEM
Figure 3. Main PCB Bottom
Check point
RX I/Q Signal
Re-Download S/W & CAL
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