4. TROUBLE SHOOTING
- 77 -
3. Checking RF Chipset Control Signal
Check SCLK,SENB,SDI
Refer to Graph
Similar?
No
Yes
Redownload
Phone S/W
Control Signal OK.
See next page check.
SCLK
SENB
SDI
U401
R417
820
820
R416
R415
820
820
R418
390p
C418
27p
C421
390p
C425
27p
C422
8
XOUT
XTA
XTA
9
_PDN
_RESET
10
_SEN
2
15
RFOL
1
SCLK
SDIO
3
12
VDD1
VDD2
13
VD
VD
VIO
11
X
X
A
6
BIN
7
BIP
4
BQN
5
BQP
14
GND
PG
U401
SI4210D
R413
220
220
R414
220
R412
C420
27p
SENB
RXQN
RXIP
RXIN
TXQP
TXIN
TXQN
TXIP
SCLK
SDI
RXQP
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 ...