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5
. Block Diagrams
5
-1
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T X
R X
Serial
Interface
Xtal Oscillation
+ tunning
Trident
CSP2200B
VAPC
NC7SV74L8X
Key
UART
Core I/F &
Memory I/F
System
Clock
DSP
I/F
7 8 9
4 5 6
1 2 3
*
0 #
ADC
Input
A[0:8]
D[0:15]
Control
3 bit
Key_Col[0:4]
Key_Row[0:4]
A(1:22)
D(0:15)
Control
Core VCC
MIC
Antenna
SKY77518
Diplexer
26
MHz
GSM_TX
DCS_TX
GSM_RX
CLK26M
AFC
DCS_RX
RTXQ
RTXI
VMOD_EN
Band_Sel
TX_EN
RF
I/Q
DSP
I/F
RF Block
Ctrl
Key
B/L
PM
Block
ADC
Block
Audio
I/F
RF
Serial
VSIM
SIM_RST
SIM_CLK
SIM_DATA
SIM
I/F
Serial
interface
Serial
interface
LRS18CK
BAT &
Charging
YMU
ISL8484IRZ
AOUTAP
D(0)~D(7)
A(0)
AOUTB
MSPK+-
control
SPK1P
SPK1N
EARPHONE
AOUTBP&N
AUXOUTP&N
LCD
Control
control
RT9364
PQW
LED+
LED-
control
A(2)
VRF VCCD_2.9
CLK13M
VCCD_2.9
VCCD_1.8
AD6548XCPZ
Содержание SGH-C260
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Страница 34: ...Flow Chart of Troubleshooting 3 19 2 3 4 6 1 7 ...
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