4. TROUBLE SHOOTING
- 58 -
Earphone Trouble (1)
Circuit Diagram
Close to EAR-JACK
Close to EAR-JACK
R814
120
V_IO
C803
10u
10u
C802
47p
C801
100u
C805
INSTPAR
200
UCLAMP0501H_TCT
D800
EVL5M02200
VA805
VA806
EVL5M02200
390K
R812
1K
R813
47p
C809
100u
C806
2.2K
R803
C804
0.1u
R811
390K
R804
100nH
R805
4.7
V_IO
330
R802
C811
1000p
47p
R807
C810
HSO_R
HSO_L
4.7
HSMIC
HSBIAS
JACK_DET
HOOK_DET
Mic-bias (the same as main mic)
DC BLOCKING CAP.
NoRmally High, it goes Low during jack detect
Analog switch for
selecting midi sound or
voice sound for
earphone
HP_PATH_SEL
MP3
H
VOICE
L
C523
NA
C524
NA
V_IO
R504
0
0.01u
C522
U504
NLAS5223BMNR2G
3
COM1
9
COM2
6
GND
IN1
4
IN2
8
5
NC1
NC2
7
NO1
2
NO2
10
VCC
1
100nH L504
L506 100nH
HF_L
HSO_R
HP_PATH_SEL
HSO_L
HSOR
HSOL
HF_R
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 ...