4. Trouble Shooting
4.19.2 Trouble Shooting of Receiver Part
Checking Flow
Checking Point
➂
START
➃
Setup Test Equipment
➁
Cell Power : - 74dBm
➂
EGSM CH30
DCS CH699
➀
➀
Check point
VCTCXO
➁
Check point
PLL Control
Figure 2. Receiver Part
➂
Check point
Mobile SW &
FEM
➃
Check point
RX I/Q Signal
Re-Download S/W & CAL
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