4. TROUBLE SHOOTING
- 35 -
4.4 Receiver Trouble (1)
•
Check Points
- Audio signals from ABB
- Audio signals to the receiver
- Audio signal path
- Soldering of connector
- Connection between
Connector and Receiver
- Receiver
Circuit Diagram
TWL3016
EARP
C
O
N
5
0
1
RCV
EARN
C118
4.7u
C120
100p
C121
100p
C117
47p
C115
27p
C116
47p
100nH
L104
L103
100nH
L102
100nH
SPKN2
B7
HSMIC
A11
HSMICBIAS
B10
HSOL
A9
A10
HSOR
HSOVMID
B9
C9
MICBIAS
MICIN
A12
MICIP
B12
EARP
B8
EARN
A8
D8
AUVMID
B11
AUXI
C8
AUXO
100nH
L100
L101
100nH
100p
C119
RECEIVER_N
RECEIVER_P
HSOL
HSOR
HSMIC
HSBIAS
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 ...