Service Manuals, User Guides, Schematic Diagrams or docs for : Samsung GSM E250 E250
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SAMSUNG PROPRIETARY
THIS DOCUMENT CONTAINS CONFIDENTIAL
PROPRIETARY INFORMATION THAT IS
SAMSUNG ELECTRONICS CO'S PROPERTY.
DO NOT DISCLOSE TO OR DUPLICATE FOR OTHERS
EXCEPT AS AUTHORIZED BY SAMSUNG.
ANT101 ANT102
TP TP
J_ANT
R100
2.2nH
C100 CN205
1.8PF KMS-512
R104
2.7nH G
G
A
C
PON_3587_SYNTH
1
2
3
4
L102
47nH C101
1.2PF
L103
C102
5.6nH PCS RX
1.2PF
C103
100PF
50V
C104
F100 1.2PF
ESHS-C090SF 50V
13
ANT 5
GSM1900_RX1
11 VC1 GSM1900_RX2 6
VC1
9 VC2 GSM1800_RX1 3
VC2 C105 L104
10 GSM900_TX
GSM1800_RX2 4
1.2PF 6.8nH DCS RX
GSM900_RX1 1 50V
GSM_TX
8 GSM1800/1900_TX
GSM900_RX2 2
C106 DPCS_TX
C107 G G G GG
100PF 100PF
50V 50V 7 1214 15 16
C108
1.2PF
50V
C109 L105
1.2PF 33NH GSM900 RX
50V
DPCS_TX
C112 C113
2.2PF 10nH
BAND_SEL
PON_PA
VDD_RX_TX_2.8V
MODE_SELECT
28 27 26 25 24 23 22 21 20 19 C114
C115 C116
100PF 100PF
GND
RFIAN
RFIAP
RFIEN
RFIEP
RFIDN
RFIDP
RFIPN
RFIPP
_PDN
100PF
50V 50V 50V
U103
RF3159
29 8 2
XMODE VBIAS BAND_SEL
18 1 3
30 RFOHP C117 HB_RFIN TXEN
7 4
XDIV 17 10PF 10 LB_RFIN VBATT
5
VBAT
31 VDD6 HB_RFOUT MODE
VDD_RX_TX_2.8V 9 6
AFC 16 GSM_TX LB_RFOUT RAMP TA100
C118 C119
47UF
GND
32 VDD5 100NF 33PF
L101 C121 10V 50V 10V
VDD2 3.9nH NC
U102 15
33 RFOLP 11
VDD1 SI4220
C123 14
100NF 34 RAMPOUT
VCC_SYN_2.8V 16V XTAL2
13
RAMPIN RAMP
35
XTAL1 VCC_SYN_2.8V R101
12
36 VDD3 330
C125
XEN 11 820PF
37 VDD4 50V
38 GND1
VCC_SYN_2.8V 39 NC2 C126
U101 NC1 100NF
XOUT
SCLK
_SEN
_RES
TG-5010LH-02A
SDIO
BQN
16V
BQP
R103 U1129
BIN
VIO
BIP
1K 0
1 VC 4
AFC VCC 1 2 3 4 5 6 7 8 9 10
C128 2 3
100PF GND OUT
50V
C129
820PF
RF_EN VDD_IO_LOW_1.8V
C130
RF_DATA NC
RF_CLK
CAMERA_CLK26
D_REF_CLK
C131
100PF
50V
RX_TX_IP
RX_TX_IN
RX_TX_QP
RX_TX_QN
Title
RF Schematic
Document Number
SAMSUNG / SGH-LIME Rev 1.0
Date: 2006.07.22 Sheet 1 of 6
SIM_VCC_3.0V
VDD_IO_HIGH_2.9V AVDD_HFA_2.6V
VDD_USB_3.3V
AVDD_2.6V VDD_GSM_CORE_1.2V VDD_IO_LOW_1.8V
AVDD_2.6V
VDD_USB_3.3V VDD_PLL_1.2V R210
0
R226
0
U202
C208 C211 C212 6 1
USB_D+ D1_C D1_I USBDP
100NF 10NF 100NF C209
10V 16V 10V 100NF 5 2
10V USBCN V3.3 GND
4 3
USB_D- D2_C D2_I USBDM
C201 C202 C203
100NF 33PF 100NF PACUSBU3
10V 50V 10V
M12
M10
M11
G12
G10
G11
A15
H12
K12
R10
U15
A17
V17
L12
T13
F15
J12
M8
M7
M9
G7
G9
G1
G8
D8
U4
H5
A9
A2
B8
D9
H7
B7
K7
E8
V7
L7
T4
T6
J7
R212 R214
VPP
VDDA2
VDDBB
VDDC
VDDC
VDDC
VDDC
VDDC
VDDC
VDDC
VDDC
VDDCGU
VDDCLK
VDDD1
VDDD1
VDDE1
VDDE1
VDDE1
VDDE1
VDDE1
VDDE1
VDDE1
VDDE1
VDDE1
VDDE1
VDDE1
VDDE1
VDDE1
VDDE1
VDDE2
VDDE2
VDDE2
VDDE2
VDDE3
VDDE1PR
VDDE1PR
VDDE4_1
VDDREF
VDDVB
VDDVBO
HA(18:23) 1M 1M
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