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4. TROUBLE SHOOTING
Checking Flow
No Call connection is needed
Check SW500 Pin ANT,RF
with RF Cable connected.
Check SW500 Pin ANT,RF
with No RF Cable Connected
Check C537,C531
Check whether Ant SW
Set as RX mode
RRefer to Table 4-2
Check RF Level of
FL500.10 (for GSM) &
FL500.1(for DCS)
For this RF Level test case,
RX Stand alone Mode is needed
refer to chapter 11
For these 2 test case,
Open
Short
VC1 :Low
VC2 :Low
Pin10 : ~ -62dBm
Pin 1 : ~ -63dBm
Ant SW & Mobile SW is OK
See next Page to check
Rx IQ Signal
No
Changing SW500
Yes
No
Changing SW500
Yes
No
Yes
No
Changing FL500
Yes
ANT SW
DCS TX
EGSM TX
EGSM, DCS RX
- 52 -
Changing the Board.
VC1
VC2
0
1
1
0
0
0
Table 4-2
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