4. TROUBLE SHOOTING
- 41 -
4.2.4 Checking Antenna Switch & Moblie Switch
SW400.ANT
SW400.RF
FL400.10
FL400.1
Figure 4-6
L405 (VC1)
L404
(VC2)
Check L404, L405
Check whether Ant SW
Set as RX mode
? Refer to Table 4-2
Yes
VC1 :Low
VC2 :Low
Check SW400 Pin ANT,RF
with RF Cable connected.
Open
Yes
Changing SW400
Check SW400 Pin ANT,RF
with No RF Cable Connected
Short
Yes
Changing SW400
For these 2 test case,
No Call connection is needed
No
No
Changing the Board.
Check RF Level of
FL400.10 (for GSM) &
FL400.1 (for DCS)
Ant SW & Mobile SW is OK
See next Page to check
Rx IQ Signal
Pin10 : ~ -62dBm
Pin 1 : ~ -63dBm
No
Changing FL400
Yes
No
For this RF Level test case,
RX Stand alone Mode is needed
refer to chapter 11
VC1
VC2
0
0
ANT SW
D
DC
CSS TTXX
EEG
GSSM
M TTXX
EGSM, DCS RX
0
1
0
1
Table 4-2
C410
22P
4
6
7
9
12
13
14
5
3
10
1
FL400
SHS-C090DR
GND1
GND2
GND3
GND4
GND5
GND6
GND7
EGSM_TX
DCS_TX
EGSM_RX
DCS_RX
AN
T
VC
1
VC
2
11 2
L40
4
33
nH
L4
05
33
nH
C430
10p
C431
27p
C433
3.3p
C434
10p
ANT_SW2
ANT_SW1
SW400
KMS-507
G2 G1
RF
AN
T
Содержание G1610
Страница 1: ...Service Manual Model G1610 Service Manual G1610 P N MMBD0045701 Date February 2005 Issue 1 0 ...
Страница 52: ...4 TROUBLE SHOOTING 51 Graph 4 14DCS TX Graph 4 15EGSM TX VC1 VC2 VC1 VC2 VC1 VC2 VC1 VC2 ...
Страница 70: ...5 DISASSEMBLY INSTRUCTION 69 5 DISASSEMBLY INSTRUCTION Figure 5 1 Figure 5 2 ...
Страница 71: ...5 DISASSEMBLY INSTRUCTION 70 Figure 5 3 Figure 5 4 ...
Страница 72: ...5 DISASSEMBLY INSTRUCTION 71 Figure 5 5 ...
Страница 73: ...5 DISASSEMBLY INSTRUCTION 72 Figure 5 6 1 3 2 4 Figure 5 7 1 2 3 ...
Страница 74: ...5 DISASSEMBLY INSTRUCTION 73 Figure 5 8 4 2 3 1 2 1 Figure 5 9 ...
Страница 75: ...5 DISASSEMBLY INSTRUCTION 74 Figure 5 10 ...
Страница 82: ...6 DOWNLOAD AND CALIBRATION 81 11 Wait until Sending Block is completed 1 Wait Until Sending Block is completed ...
Страница 86: ...7 BLOCK DIAGRAM 85 7 BLOCK DIAGRAM Power supply ...
Страница 87: ... 86 ...
Страница 101: ...11 STAND ALONE TEST 100 11 2 Standalone Test Equipment Setup GSM Test Equipment Power Supply RS 232 Cable PC JIG Phone ...
Страница 108: ...12 AUTO CALIBRATION 107 12 3 Equipment Setup Figure 12 1 Equipment Setup ...
Страница 111: ...12 AUTO CALIBRATION 110 ...
Страница 113: ...13 EXPLODED VIEW REPLACEMENT PART LIST 112 ...