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CHECKING FLOW
For these 2 test case,
No Call connection is needed
Check U100 Pin ANT,RF
with RF Cable connected.
Check U100 Pin ANT,RF
with No RF Cable Connected
Check R103,R104
Check whether Ant SW
Set as RX mode
♦
Refer to Table 4-2
Check RF Level of
U104.10 (for GSM) & U10
4.12(for DCS)
For this RF Level test case,
RX Stand alone Mode is needed
refer to chapter 11
No
Open
Yes
No
Short
Yes
VC1 :Low
No
VC2 :Low
Yes
Pin10 : ~ -62dBm
No
Pin 12 : ~ -63dBm
Yes
Ant SW & Mobile SW is OK
See next Page to check
Rx IQ Signal
GSM_Tx
PCS_Tx
-39-
4. TROUBLE SHOOTING
Changing U100
Changing U100
Changing the Board.
Changing U104
ANT_SW1
HIGH
LOW
RX
LOW
Table 4-2
ANT_SW2
LOW
HIGH
LOW
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