4. TROUBLE SHOOTING
- 79 -
4. Checking FEM & Mobile Switch
CN400
FL400
Pin RF
Pin ANT
R422(ANT_SW1)
R421
(ANT_SW2)
Pin1
Pin3
Pin5
C413
22p
G1
G2
RF
CN400
KMS-506
ANT
C415
1000p
3
4
GSM1800_RX2
GSM1900_RX1
5
6
GSM1900_RX2
VC1
12
11
VC2
9
VDD
FL400
13
ANT
EGSM_RX1
1
EGSM_RX2
2
10
EGSM_TX
7
GND1
GND2
14
GND3
15
16
GND4
GSM1800_1900_TX
8
GSM1800_RX1
RF2.85V
M067B
220
R421
220
R422
ANT_SW1
ANT_SW2
ANT_SW1
ANT_SW2
VC1
VC2
EGSM RX
L
L
EGSM TX
L
H
DCS/PCS RX
H
L
DCS/PCS TX
H
H
Summary of Contents for KG330
Page 3: ... 4 ...
Page 10: ...3 Technical Brief 11 BaseBand Components Speaker Vibrator Speaker ...
Page 14: ...3 Technical Brief 15 3 3 Analog Main Processor ABB Block diagram of the TWL3016 ...
Page 38: ...4 TROUBLE SHOOTING 39 Speaker Trouble 2 Test Point U209 Speaker Soldering Check C536 C535 ...
Page 75: ...4 TROUBLE SHOOTING 76 2 Checking VCTCXO Circuit ...
Page 77: ...4 TROUBLE SHOOTING 78 3 Checking RF Chipset Control Signal ...
Page 85: ...4 TROUBLE SHOOTING 86 2 Checking VCTCXO Circuit ...
Page 87: ...4 TROUBLE SHOOTING 88 3 Checking RF Chipset Control Signal ...
Page 98: ...5 Downloading Software 99 The Procedure of Downloading Software 4 4 Press Start Button MG210 ...
Page 103: ... 104 ...
Page 115: ... 116 8 PCB Layout Main PCB layout TOP ...
Page 116: ... 117 8 PCB Layout Main PCB layout Bottom ...
Page 117: ... 118 8 PCB Layout Camera Sub PCB ...
Page 118: ... 119 8 PCB Layout Camera Sub PCB ...
Page 119: ... 120 ...
Page 122: ...9 Calibration 123 4 Click on CALIBRATION START button KG330 338 KG330 338 ...
Page 124: ...9 Calibration 125 2 Standalone Test Setup Oscilloscope ...
Page 126: ...9 Calibration 127 3 TX Standalone Test Setup ...
Page 128: ...9 Calibration 129 4 RX Standalone Test Setup ...
Page 129: ... 130 ...
Page 131: ... 132 ...
Page 154: ...Note ...
Page 155: ...Note ...