4. TROUBLE SHOOTING
- 80 -
Change CN400
FEM & Mobile SW is OK
See next Page to check
Rx IQ Signal
Check R421,R422
Check if ANT_SW is set as
RX mode
Check CN400 Pin ANT,RF
with RF Cable connected.
Check CN401 Pin ANT,RF
with No RF Cable Connected
For these 2 test case,
No Call connection is needed
Check RF Level of FEM output
FL400.1 (for GSM)
FL400.3 (for DCS)
FL400.5 (for PCS)
For this RF Level test case,
RX Stand alone Mode is needed
Yes
Open
Yes
Yes
No
No
Pin1 : ~ -67dBm
Pin3 : ~ -67dBm
Pin5 : ~ -67dBm
No
Yes
No
EGSM=>
sw1:low/sw2:low
DCS,PCS=>
sw1:high/sw2:low
Short
Change the Board.
Change FL400
Change CN400
Pin RF:~-60dBm
Yes
No
Change CN400
Check RF Level of Mobile
S/W output:
For all band CN400 Pin RF
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 ...