4. TROBULE SHOOTING
- 50 -
4.3.6 Checking Antenna Switch & Mobile Switch
SW400.ANT
SW400.RF
Figure 4-15
L405 (VC1)
L404
(VC2)
VC1
VC2
0
0
ANT SW
D
DC
CSS TTXX
EEG
GSSM
M TTXX
EGSM, DCS RX
0
1
0
1
Table 4-3
Check SW400.ANT, RF
with RF Cable connected.
Open
Yes
Changing SSW
W440000
Check SW400.ANT,RF
with RF Cable disconnected
Short
Yes
Changing SSW
W440000
No
No
Check L405, L404
Check whether Ant SW
Set as TX mode
? Refer to Graph 4-14,15
?Refer to Table 4-3
Yes
Check VC1, VC2
Check RF Level of
FL400 Pin 5 (for GSM)
& Pin 3 (for DCS)
Pin5 : ~29.5dBm
Pin 3 : ~26.5dBm
No
Yes
No
Changing board
Go to 4.3.5 Checking
PAM control signal
END
For the test,
TX Stand alone Mode is needed.
Refer to chapter 11(PL=7 for
GSM, PL=2 for DCS)
FL400.5
FL400.3
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
Summary of Contents for G1610
Page 1: ...Service Manual Model G1610 Service Manual G1610 P N MMBD0045701 Date February 2005 Issue 1 0 ...
Page 52: ...4 TROUBLE SHOOTING 51 Graph 4 14DCS TX Graph 4 15EGSM TX VC1 VC2 VC1 VC2 VC1 VC2 VC1 VC2 ...
Page 70: ...5 DISASSEMBLY INSTRUCTION 69 5 DISASSEMBLY INSTRUCTION Figure 5 1 Figure 5 2 ...
Page 71: ...5 DISASSEMBLY INSTRUCTION 70 Figure 5 3 Figure 5 4 ...
Page 72: ...5 DISASSEMBLY INSTRUCTION 71 Figure 5 5 ...
Page 73: ...5 DISASSEMBLY INSTRUCTION 72 Figure 5 6 1 3 2 4 Figure 5 7 1 2 3 ...
Page 74: ...5 DISASSEMBLY INSTRUCTION 73 Figure 5 8 4 2 3 1 2 1 Figure 5 9 ...
Page 75: ...5 DISASSEMBLY INSTRUCTION 74 Figure 5 10 ...
Page 86: ...7 BLOCK DIAGRAM 85 7 BLOCK DIAGRAM Power supply ...
Page 87: ... 86 ...
Page 108: ...12 AUTO CALIBRATION 107 12 3 Equipment Setup Figure 12 1 Equipment Setup ...
Page 111: ...12 AUTO CALIBRATION 110 ...