5. Trouble shooting
5.14 Trouble shooting of Receiver part
Checking Flow
START
Setup Test Equipment
Cell Power : ñ74dBm
EGSM CH30
DCS CH699
Checking Points
Figure 1. Main PCB
Check point
DCXO
Check point
PLL Control
Check point
Mobile SW & FEM
Check point
RX I/Q Signal
Re-Download S/W & CAL
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