4. TROUBLE SHOOTING
- 28 -
Circuit Diagram
C123
0.1u
VSS16
VSS17
B20
A14
VSS18
A8
VSS19
VSS20
D4
E5
VSS21
0
R133
0
V_USB
R131
120K
V_DBB
UPR
1u
C126
V_ABB
0.1u
C125
VBAT
V_SIM
VLMEM
VLRTC
VLRTC0
VRABB
D12
A3
VRDBB
L11
VREF
M1
VRIO1
L2
VRIO2
D1
VRMEM
VRRAM
F1
VRRTC
H1
M3
VRSIM
M12
VRUSB
VSDBB
A1
VCABB
D11
C6
VCCSPK1
VCCSPK2
C7
VCDBB
A2
VCIO1
L1
VCIO2
K1
VCMEM
D2
VCRAM
E2
VCUSB
M11
UPR
G1
M7
VBAT
L12
REFGND
GNDSPK1
GNDSPK2
D7
IBIAS
K10
GNDA
D10
F2
GNDA2
6
V_IO
V_FLASH
C124
1u
V_RTC
VCUSB
TWL3016 POWER MANAGEMENT SECTION
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 ...