SAMSUNG Proprietary-Contents may change without notice
SGH-S300 Flow Chart of Troubleshooting and Circuit Diagram s
6-21
SEOY
H
SEOY
H
6:03:57 pm
2002.11.1
3
user12
10
9
E
SGH-S300
A3
D
Shee
t
F
A
56
7
DOC CTRL CH
K
MFG ENGR CH
K
QA CH
K
2
1
C
3
8
Engineer
4
A
3
SI-LA
B
MICRO STRIP LINE
Changed by
B
REV
4
2
6
Drawn by
Time Changed
R&D CH
K
TITLE
:
B
C
D
COMPANY NAME
Address
5
Drawing Numbe
r
7
of
Size
8
Date Changed
1
E
F
City
22N
F
C903
10PF
C917
C906
22NF
0
R999
VOSC
22N
F
C910
SD
I
SD
O 15
16
SEN
B
20
VDDA
VDDC
6
XI
N
7
XOUT
19
IO
N
IO
P 11
14
PDNB
RXI
N
5
RXI
P
4
RXQN
3
2
RXQP
SCLK
17
18
CKP
GND
1
GND
8
GND 13
GND
21
22
GND
23
GND
24
GND
12
U900
CKN
10
9
47PF
C923
33PF
C922
10PF
VRF
100PF
C924
C914
VRF
VRF
L900
3.9n
H
VOSC
22N
F
C905
VRF
SCLK
SD
I
13
10
SD
O
SEN
B
11
VDDD
5
28
VDDI
VDDR 25
7
XI
N
N C
PDNB
9
RFLA
20
19
RFLB
17
RFLC
16
RFLD
RFLO
N
23
24
RFLO
P
12
GND
GND
29
30
GND
IFLA
3
2
IFLB
26
IFLO
N
IFLO
P
27
8
N C
14
GND
31
32
GND
4
GND
6
GND
GND
15
GND
18
GND
21
22
U902
GND
1
VRF
C921
22NF
C908
22NF
VDD3
26
VDD4
VRF
VOSC
RFOD
RFO
G
25
TXIN
6
TXIP
5
8
TXQN
TXQP
7
VDD1 23
14
VDD2
32
RFID
N
RFID
P 19
22
RFIG
N
RFIG
P 21
18
RFIP
N
RFIPP 17
13
RFLO
N
12
RFLO
P
24
GND
IFLO
N
10
9
IFLO
P
1
IO
N
IO
P
2
L1
29 28
L2
PDNB
31
20
DIAG1
DIAG2
15
GND
11
GND
27
30
GND
GND
33
34
GND
35
GND
36
U901
3
CKN
4
CKP
16
C915
22N
F
100PF
C911
SYN_EN
SERDAT
C916
100PF
SERCLK
SERDAT
SERL
E
SDO
SI_EN
SD
O
SERLE
SERCL
K
RXI
N
RXI
P
RXQN
RXQP
T X Q N
PCS_LNA_IN_
P
PCS_LNA_IN_
N
GSM_LNA_IN_P
GSM_LNA_IN_N
DCS_LNA_IN_P
DCS_LNA_IN_N
GSM_PAM_IN
DPCS_PAM_I
N
CLK13M_RF
TXQP
TXIP
T X I N
SI_EN