4. TROUBLE SHOOTING
- 52 -
TX Trouble
U400
SW400
U102
FL400
X101
FL401
TEST POINT
TP403
C410
22p
R403
0
C400
1p
TP401
SW400
RF500
ANT
G1
G2
RF
TP404
TP402
C417
27p
2.2nH
L400
C418
27p
TP405
0
R401
R400
NA
TP400
FL400
5
GND1
GND2
8
GND3
10
GSM1800_1900RX
6
1
GSM1800_1900TX
GSM850_900RX
4
2
GSM850_900TX
9
IN
VC_GSM1800_1900TX
7
3
VC_GSM850_900TX
LMSP2PAA-575TEMP
22nH
L401
VC2
VC1
CIRCUIT
Mode
GSM900 TX
DCS1800 TX
GSM800 RX
DCS1800 RX
VC1
H(2.7V)
L
L
L
VC2
L
H(2.7V)
L
L
Содержание KG270
Страница 1: ...Date April 2007 Issue 1 0 Service Manual Model KG270 MG160 Service Manual KG270 MG160 ...
Страница 3: ... 4 ...
Страница 81: ...5 DOWNLOAD 82 5 DOWNLOAD 5 1 Download Setup Configure system like figure 5 1 Figure 9 1 Download Setup ...
Страница 87: ... 88 6 BLOCK DIAGRAM 6 BLOCK DIAGRAM ...
Страница 92: ... 93 8 PCB LAYOUT ...
Страница 93: ... 94 8 PCB LAYOUT ...
Страница 104: ... 105 10 CALIBRATION 10 2 3 Click SETTING Memu 10 2 4 Setup Ezlooks menu such as the following fugure KG278 ...
Страница 106: ...10 CALIBRATION 107 10 2 7 Select MODEL 10 2 8 Click START for RF calibration 10 2 9 RF Calibration finish KG278 ...
Страница 107: ...10 CALIBRATION 108 10 2 10 Calibration data will be saved to the following folder ...
Страница 113: ... 114 ...
Страница 124: ...Note ...
Страница 125: ...Note ...