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(3) Checking Mobile SW & FEM
4. TROUBLE SHOOTING
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TEST POINT
CIRCUIT
WAVEFORM
ANT_SW1
ANT_SW2
GSM_TX
High
Low
DCS_TX
Low
High
RX
Low
Low
Figure 4-4(a) Mobile SW & FEM Circuit
ANT SW Control GSM& DCS RX Mode
Graph 2
Table 1
Figure 4-4 (b). Mobile SW & FEM Circuit
SW400.ANT
SW400.RF
VC_DCSPCS
VC_EGSM
FL400
SW400
(GPIO_11)
(GPIO_9)
270p
C440
NA
L400
C417
22p
6
GND3
GND4
7
16
GND5
GND6
17
18
GND7
GND8
19
20
GND9
14
PCS_RX1
PCS_RX2
15
VC_DCSPCS
3
VC_EGSM
9
ANT
1
DCSPCS_TX
5
12
DCS_RX1
DCS_RX2
13
10
EGSM_RX1
EGSM_RX2
11
8
EGSM_TX
2
GND1
GND10
21
22
GND11
GND12
23
24
GND13
4
GND2
FL400
HWXQ511
1p
C407
ANT400
C418
ANT
G1
G2
RF
NA
KMS-506
SW400
ANT401
270p
C439
L407
5.6nH
NA
C410
ANT402
ANT_SW1
ANT_SW2
FL301. 10
VC1
VC2
Low
Low
VC_DCSPCS
Low
Low
Low
Low
VC_EGSM
Summary of Contents for KG240
Page 1: ...Date April 2006 Issue 1 0 Service Manual Model KG245 Service Manual KG245 ...
Page 3: ... 4 ...
Page 92: ...5 DOWNLOAD AND CALIBRATION 93 5 2 3 Configuration Setting C GSMULTI Model MG210 dll ...
Page 93: ...5 DOWNLOAD AND CALIBRATION 94 5 2 4 Press Start Button KG245 ...
Page 94: ...5 DOWNLOAD AND CALIBRATION 95 5 2 5 After Start Button Which Stand by condition KG245 ...
Page 95: ...5 DOWNLOAD AND CALIBRATION 96 5 2 6 SW downloading Condition KG245 ...
Page 96: ...5 DOWNLOAD AND CALIBRATION 97 5 2 7 SW downloading END Condition KG245 ...
Page 99: ...5 DOWNLOAD AND CALIBRATION 100 4 Click on CALIBRATION START button KG245 KG245 ...
Page 100: ...5 DOWNLOAD AND CALIBRATION 101 6 BLOCK DIAGRAM ...
Page 101: ... 102 ...
Page 110: ... 111 8 PCB LAYOUT ...
Page 111: ... 112 8 PCB LAYOUT ...
Page 112: ... 113 KG245 8 PCB LAYOUT ...
Page 113: ... 114 KG245 8 PCB LAYOUT ...
Page 121: ...10 STAND ALONE TEST 122 Figure 10 2 HW test setting Figure 10 3 Ramping profile ...
Page 125: ... 126 ...
Page 127: ... 128 ...
Page 145: ...Note ...
Page 146: ...Note ...