Service Manuals, User Guides, Schematic Diagrams or docs for : Samsung GSM X450 SGH-X450 Schematics v3_0
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1 2 3 4 5 6 7 8
A A
13MHZ_BB
XOENA
L900
3.9nH
RXQP
GSM_PAM_IN
C125
39PF
VRF DPCS_PAM_IN
C126
B 33PF B
34 33 32 31 30 29
28 27 26 25 24 23 22
GND
GND
GND
GND
GND
VDD
RXQP
XOUT
XEN
DIAG2
DIAG1
RFOG
RFOD
35
GND
36
GND
37 21
38 NC GSM_LNA_IN_N
NC
RFIGN
1 20
RXQN RXQN GSM_LNA_IN_P
RFIGP
2 19
RXIP RXIP DCS_LNA_IN_N
U100 RFIDN
3 18
RXIN RXIN SI4205-BMF DCS_LNA_IN_P
RFIDP
4 17
TXIP TXIP PCS_LNA_IN_N
RFIPN
5 16
TXIN TXIN RFIPP
PCS_LNA_IN_P
6 15
TXQP TXQP
C GND C
SCLK
_PDN
_SEN
VDD
SDO
7
XIN
SDI
TXQN TXQN
C127
100PF 8 9 10 11 12 13 14
CLK13M_RF
VRF
C128 SERDAT
220NF
SERCLK
SERLE
SI_EN
D C130 C131 C129 D
C132 100PF 100PF 100PF
100PF
VRF
R105 R100 C115
0 560 15PF
13MHZ_BB CLK13M_TR
E R102 E
R101 C116
(From SI4205) 200 30PF
10 C117 CLK13M_MC
10NF
OSC100 CLK13M_YMU
4
VCC
1
VT
AFC
C118
10NF R103
100
2 3
GND
OUT
CLK13M_RF
TCO9141E
C120 C119
10NF 10NF
Engineer
F Drawn by SAMSUNG ELECTRONICS F
R&D CHK TITLE: Size
A3
DOC CTRL CHK
SGH-X450
MFG ENGR CHK
Changed by Date Changed Time Changed QA CHK REV Drawing Number Sheet of
user8 2004.04.14 3:12:21 pm 3.0 1 10
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8
CON201
A KMS-503 A
G C A G G G
1 2 3 4 5 6 ANT200
R205
0
J_ANT
L218 L211
12nH NC
B C215 B
47PF
U201 F200 C216
LMG003W-5076A 13 FAR-F6EB-1G9600-B2BW 1PF
3
OUT PCS_LNA_IN_N
11 VC1 ANT PCS_RX 6 1
+VBATT GSM_TX_EN IN
9 VC2 DCS_RX_1 3 4 L202
DCS_TX_EN G G OUT C217
5 VC3 DCS_RX_2 4 C222 L216 1PF 6.2nH
PCS_RX_EN 5.6pF 2 5
10 EGSM_TX EGSM_RX_1 1 3.9nH
PCS_LNA_IN_P
8 EGSM_RX_2 2
DCS/PCS_TX
G G G G G
C206 7 12 14 15 16
33PF C218
C207 0.75PF
100UF DCS_LNA_IN_N
6.3V
C L203 C
C219
0.75PF 8.2NH
R200 R201 DCS_LNA_IN_P
0 0
TXPOWER
C220
1PF
R202
NC GSM_LNA_IN_N
L204
C221 27NH
1PF
U200 GSM_LNA_IN_P
SKY77324
TX_EN
26
25
24
23
22
21
20
C209 L217
GND
GND
GND
GND
VAPC
GND
VBATT
1.0NH
100NF 12 13 14 15 16 17 18 19
8 7 6 5 4 3 2 1
D VSEN D
VCC_CMOS
GND C208 L213
PACENA NC NC
VCC1 DCS/PCSOUT
TX_BAND_SEL BS GND
DCS/PCSIN RSVD
GSM850/900IN GND C210
C211 GND GND 39PF
220NF
VCC1 GSM850/900OUT
9 GND
10 GND
11 GND
L214 L215
R203 22nH NC
0
DPCS_PAM_IN
C212 C213 C214
R204
0 10UF 220NF 220NF
GSM_PAM_IN 6.3V
E E
TRANSMITTER & RECEIVER
Engineer
F Drawn by SAMSUNG ELECTRONICS F
R&D CHK TITLE: Size
A3
DOC CTRL CHK
SGH-X450
MFG ENGR CHK
Changed by Date Changed Time Changed QA CHK REV Drawing Number Sheet of
user8 2004.04.14 3:12:36 pm 3.0
2 10
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8
CN301
PC-D6-A6-H2.9-S
1 1 6 6
2 2 5 5
3 3 4 4 SIM_IO
C301 C300 G G G G
2.2UF 100NF 10 9 8 7 C303
C304 C305 33PF
A A
33PF 33PF
C302
100NF +VBATT VCCB VCCA VDD_VIB VRF VCCD VCC_1.8A VRTC
SIGNAL TYP
C321
VCC_1.8A 1V8 NC
VCCD 2V8
SIM_CLK C315
VRF 3V0 SIM_RST 2.2UF
VREF
SIM_VCC
VPAC 3V0
VDD_VIB 3V0
49 50 51 48 29 30 28 6
VCCA 2V8
SIM_RST
SIM_CLK
SIM_IO
VSIM
CREF
VREF
GNDQ
GNDD1
VCCB 2V8 54
SIMRST UP_RST VLDO_7 40
VRTC 2V8 53
SIMCLK UP_CLK
52
B SIMDATA UP_IO VDD67 41 B
+VBATT 44 ADC_AUX1 VLDO_6
42
R302 45
47 ADC_AUX2
56
TA_VEXT ADC_TRIG
32
VL5S_A
3 31
VACC VL5S_B
C320 2
VRTC VBAT
100NF 33
VLDO_5
1
VEXT
43 34
BTEMP VDD5
R304 46 36
PWR_ON PWR_SW1N VL4S_A
390K 47 35
JIG_ON PWR_SW2 VL4S_B
13
RTCALARM RTC_ALMN
21 PWR_KEEP 37
PWR_KEEP VLDO_4 T64
20 PSW1_BUF
14 U300 38
T30 INTRQ VDD34
15 PSC2106A1WUS-DT
SDI
16 39
SDO VLDO_3
C C322 R303 17 C
100NF 330K SCLK
18
CSN
12
22 VRTC
23 EN_3
KEY_COL(2) EN_4[0]
24 11
3 EN_4[1] VLDO_2
1 25
EN_5 R300 R301
26
EN_5A 10 C313 1.2K,1%
2 27 19
KEY_ROW(0) Q300 EN_5B RESETN RST 100PF
DTC144EE/TR
55
RING_PWM
9
VLDO_1
57
UP_SDI GND 10 +VBATT
58
UP_SCLK GND VDD12
59
LED1_DRV
LED2_DRV
RING_DRV
UP_CS GND
VIB_DRV
60 C316
XOENA GNDD
2.2UF
GND
GND
GND
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