4. TROUBLE SHOOTING
- 41 -
4.6 Microphone Trouble (1)
Circuit Diagram
MAIN_MIC_CKTs
BOS-T1342SDN3-LH
MIC500
1
2
47p
C542
C530
10u
C537
1K
R505
0.1u
C532
VA505
47p
C534
0.1u
2.4K
R506
C538
10p
C543
47p
100nH
L510
L509
100nH
1K
R511
VA506
MICP
MICN
MICBIAS
•
Microphone Signal Flow
- MIC is enabled by MICBIAS
- MICBIAS is supplied by ABB
- MICP, MICN signals to TWL3014(ABB)
•
Check Points
- Microphone bias level
- Audio signal level of the microphone
- Soldering of components
Содержание KG330
Страница 3: ... 4 ...
Страница 10: ...3 Technical Brief 11 BaseBand Components Speaker Vibrator Speaker ...
Страница 12: ...3 Technical Brief 13 BaseBand Components Touch FPCB U100 CN100 U100 Touch Sensor CN100 B to B conn ...
Страница 13: ...3 Technical Brief 14 3 2 Digital Baseband DBB Processor Block diagram of the D751685 Calyso Plus ...
Страница 14: ...3 Technical Brief 15 3 3 Analog Main Processor ABB Block diagram of the TWL3016 ...
Страница 38: ...4 TROUBLE SHOOTING 39 Speaker Trouble 2 Test Point U209 Speaker Soldering Check C536 C535 ...
Страница 75: ...4 TROUBLE SHOOTING 76 2 Checking VCTCXO Circuit ...
Страница 77: ...4 TROUBLE SHOOTING 78 3 Checking RF Chipset Control Signal ...
Страница 85: ...4 TROUBLE SHOOTING 86 2 Checking VCTCXO Circuit ...
Страница 87: ...4 TROUBLE SHOOTING 88 3 Checking RF Chipset Control Signal ...
Страница 98: ...5 Downloading Software 99 The Procedure of Downloading Software 4 4 Press Start Button MG210 ...
Страница 100: ...5 Downloading Software 101 The Procedure of Downloading Software 6 6 SW downloading Condition MG210 ...
Страница 101: ...5 Downloading Software 102 The Procedure of Downloading Software 7 7 SW downloading END Condition MG210 ...
Страница 103: ... 104 ...
Страница 115: ... 116 8 PCB Layout Main PCB layout TOP ...
Страница 116: ... 117 8 PCB Layout Main PCB layout Bottom ...
Страница 117: ... 118 8 PCB Layout Camera Sub PCB ...
Страница 118: ... 119 8 PCB Layout Camera Sub PCB ...
Страница 119: ... 120 ...
Страница 122: ...9 Calibration 123 4 Click on CALIBRATION START button KG330 338 KG330 338 ...
Страница 124: ...9 Calibration 125 2 Standalone Test Setup Oscilloscope ...
Страница 126: ...9 Calibration 127 3 TX Standalone Test Setup ...
Страница 128: ...9 Calibration 129 4 RX Standalone Test Setup ...
Страница 129: ... 130 ...
Страница 131: ... 132 ...
Страница 154: ...Note ...
Страница 155: ...Note ...