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4. TROUBLE SHOOTING
Checking Flow
Check C545,C546,C547
Check whether Ant SW
Set as TX mode
Refer to Graph 4.3.2
Refer to Table 4.3.2
Check RF Level of
FL500 Pin 6(for EGSM) &
Pin 8(for DCS&PCS)
Check CN500.ANT, RF with RF
Cable connected.
Check CN500.ANT,RF
with RF Cable disconnected
For the test,
TX Stand alone Mode is needed. Refer to
chapter 10 (PL=7 for EGSM, PL=2 for
DCS&PCS)
Check Vctrl 1,2,3 & Vdd
Yes
Pin6 : ~29.5dBm
Pin8 : ~26.5dBm
Yes
Open
Yes
Short
Yes
END
TX Mode
EGSM
Vctrl 1
On
Vctrl 2
Off
Vctrl 3
Off
Table 4.3.2
- 48 -
No
Changing board
No
Go to 4.3.4 Checking PAM
control signal
No
Changing CN500
No
Changing CN500
DCS/PCS
On
On
Off
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