4. TROUBLE SHOOTING
- 55 -
Checking Flow
Check L304, L306
Check whether Ant SW
Set as RX mode
Refer to Table 4-1
Yes
VC1 :Low
VC2 :Low
Check SW301 Pin ANT,RF
with RF Cable connected.
Open
Yes
Changing SW301
Check SW301 Pin ANT,RF
with No RF Cable Connected
Short
Yes
Changing SW301
For these 2 test case,
No Call connection is needed
No
No
Changing the Board.
Check RF Level of
FL301.2 (for GSM) &
FL301.11(for DCS)
Ant SW & Mobile SW is OK
See next Page to check
Rx IQ Signal
Pin1 0 : ~ -62dB m
Pin 1 : ~ -63dBm
No
Changing FL301
Yes
No
For this RF Level test case,
RX Stand alone Mode is needed
refer to chapter 11
Table 4-1
ANT SW
VC1
VC2
DCS TX
0
1
EGSM TX
1
0
EGSM,DCS RX
0
0
Содержание C1150
Страница 1: ...Service Manual Model C1150 Service Manual C1150 Date October 2005 Issue 1 0 ...
Страница 3: ......
Страница 94: ...5 DOWNLOAD AND CALIBRATION 95 11 Wait until Sending Block is completed 1 Wait Until Sending Block is completed ...
Страница 99: ...Note 100 ...
Страница 104: ... 105 8 PCB LAYOUT 8 PCB LAYOUT ...
Страница 105: ... 106 8 PCB LAYOUT ...
Страница 113: ...10 STAND ALONE TEST 114 Figure 10 2 HW test setting Figure 10 3 Ramping profile ...
Страница 117: ...Note 118 ...
Страница 119: ... 120 Note ...
Страница 135: ...Note 136 ...