5. Trouble shooting
- 94 -
5.12.5 FEM & Mobile SW
Figure 4-10
Test Points
Ant SW 2
FL401
Ant SW 1
U403
SW401
Circuit Diagram
VC2
H
L
PGSM/EGSM_Tx
VC1
MAIN PCB_BOTTOM SIDE
SW401
KMS-518
A
C
G1
G2
22p
C496
C401
NA
Y1
Y2
100nH
L409
NC7WV16P6X
U403
A1
A2
GND VCC
C499
100p
100p
C498
10p
C497
ANT
2
G1
G2
3
4
G3
WFL-R-SMT10
CN401
1
GSM850_RX_OUT1
GSM850_RX_OUT2
2
3
GSM900_RX_OUT1
4
GSM900_RX_OUT2
14
VC1
VC2
13
17
ANT
10
ESD
GND1
9
GND2
11
GND3
16
18
GND4
GND5
19
20
GND6
GSM1800_1900_TX
12
GSM1800_RX_OUT1
5
GSM1800_RX_OUT2
6
7
GSM1900_RX_OUT1
GSM1900_RX_OUT2
8
15
GSM850_900_TX
LSHS-M085FE
FL401
1000p
C495
2V85_RF
0
R401
NA
C402
ANT_SW1
ANT_SW2
VC2
PCS_Rx
L
L
L
H
L
H
L
L
L
PGSM_Rx
DCS/PCS_Tx
EGSM_Rx
PGSM/EGSM_Tx
DCS_Rx
VC1
L
L
L
PIN17
PIN1
Содержание KE 770
Страница 1: ...Service Manual Model KE770 Service Manual KE770 Date April 2007 Issue 1 0 ...
Страница 3: ... 4 ...
Страница 5: ... 6 ...
Страница 49: ...3 TECHNICAL BRIEF 50 3 15 BLUETOOTH Figure 22 BLUETOOTH Functional block diagram ...
Страница 57: ...3 TECHNICAL BRIEF 58 RF Block Diagram III 2 RF circuit ...
Страница 76: ...Check Points 5 Trouble shooting 77 ...
Страница 78: ...5 Trouble shooting 79 ...
Страница 82: ...5 Trouble shooting 83 ...
Страница 87: ...5 Trouble shooting 88 ...
Страница 100: ... 101 6 Download S W upgrade Click on the blue text to select the COM port ...
Страница 101: ...6 Download S W upgrade 102 Will change the window as below ...
Страница 103: ...6 Download S W upgrade 104 During download the screen will look something like this ...
Страница 105: ... 106 ...
Страница 111: ... 112 8 PCB LAYOUT ...
Страница 112: ... 113 8 PCB LAYOUT ...
Страница 113: ... 114 8 PCB LAYOUT ...
Страница 114: ... 115 8 PCB LAYOUT ...
Страница 115: ... 116 8 PCB LAYOUT ...
Страница 117: ...9 RF Calibration 118 9 2 3 Click SETTING Menu 9 2 4 Setup Ezlooks menu such as the following figure ...
Страница 119: ...9 RF Calibration 120 9 2 7 Select MODEL 9 2 8 Click START for RF calibration 9 2 9 RF Calibration finishes ...
Страница 121: ...10 Stand alone Test 122 4 Click Update Info for communicating Phone and Test Program ...
Страница 125: ... 126 ...
Страница 143: ...Note ...
Страница 144: ...Note ...