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Checking Flow
For these 2
No Call connection is needed
Check SW501 Pin ANT,RF
with RF Cable connected .
Check SW500 Pin ANT,RF
with No RF Cable Connected
Check R512, R515, R517
Check whether FEM
Set as RX mode
Refer to Table 4-2
Check RF Level of
FL500.1 (for GSM) & FL500.3
(for DCS) & FL500.5
(for PCS)
For this RF Level test case,
RX Stand alone Mode is needed
refer to chapter 11
t
Open
Yes
Short
Yes
VC1 :Low or HIGH
VC2 :Low
VC3 :Low
Yes
Pin1 : ~ -62dBm
n 3,5 : ~ -63dB
Yes
FEM & Mobile SW is OK
See next Page to check
Rx IQ Signal
- 51 -
No
Changing SW500
No
Changing SW500
No
Changing the board
No
Changing FL500
ANT SW CONTROL TABLE
VC1
ANT SW
EGSM_Tx
DCS PCS_Tx
EGSM DCS_ Rx
H
PCS_Rx
4 . TROUBLE SHOOTING
VC2
VC3
L
H
L
L
H
L
L
L
L
L
L
Table 4-2
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