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5-22
Flow Chart of Troubleshooting and Circuit Diagrams
C115
100PF
100PF
C114
R110
51
C117
51
R109
20K
100PF
R107
R108
51
22N
F
C112
7
C111
22N
F
24
SCL
K
12
13
SD
I
SD
O
10
11
SEN
B
5
VDDD
VDDI
28
25
VDDR
XI N
8
NC
14
9
PDNB
20
RFLA
RFLB
19
RFLC
17
RFLD
16
23
RFLON
RFLOP
21
GND
GN
D
22
29
GN
D
GN
D
30
3
IFLA
IFLB
2
IFLO
N
26
27
IFLO
P
NC
1
GND
31
GND
GND
32
GND
4
GND
6
15
GND
18
GND
SI4133T-BM
U103
GND
23
OutPut
Vc
c
4
1
Vcont
C116
100PF
3.9nH
L101
U102
TCO-9141E(2.8V)
22N
F
C110
C113
100PF
RB520S-30
D100
Q100
2SC4617
2
3
1
R103
560
R100
91K
27K
R104
100
R105
R106
1K
C108
10N
F
R102
2.2K
10K
R101
10N
F
C109
C107
10N
F
L100
10nH
IFLO
N
RFLOP
RFLON
PDNB
PDNB_O
SYNEN1
SENB
2V8RFVCC
AFC
CLK13M
RF13M
SCL
K
SDAT
A
2V8AERO
IFLO
P
SCLK_O
SDATA_
O
Summary of Contents for SGH-T408
Page 2: ...Samsung Electronics Co Ltd Printed in Korea 01 2003 Rev 1 0 GH68 03159A ELECTRONICS ...
Page 11: ...2 1 PCB Diagrams 2 PCB Diagrams 2 1 Main Top ...
Page 12: ...2 2 PCB Diagrams 2 2 Main Bottom ...
Page 22: ...4 Block Diagrams 4 1 Main Baseband 4 1 Block Diagrams ...
Page 38: ...5 13 5 8 Receiver Part Flow Chart of Troubleshooting and Circuit Diagrams ...
Page 39: ...5 14 Flow Chart of Troubleshooting and Circuit Diagrams ...
Page 43: ...5 18 Flow Chart of Troubleshooting and Circuit Diagrams 5 12 GSM Receiver ...
Page 44: ...Flow Chart of Troubleshooting and Circuit Diagrams 5 19 5 13 GSM Transmitter ...
Page 45: ...5 20 Flow Chart of Troubleshooting and Circuit Diagrams 5 14 DCS Receiver ...
Page 46: ...Flow Chart of Troubleshooting and Circuit Diagrams 5 21 5 15 DCS Transmitter ...