4. TROUBLE SHOOTING
GX500 Operational Description
4.12 Trouble shooting of Receiver part
Checking Flow
START
Setup Test Equipment
Cell Power : –74dBm
EGSM CH30
DCS CH699
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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LG Electronics
Checking Points
Figure 4-28. Main PCB SIM1
Figure 4-29. Main PCB SIM2
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