Samsung SGH-X490 Schematics
L116
1.8NH
R135 1K
5
GSM 850/900 Tx
DCS/PCS Tx
GSM Rx
DCS Rx
PCS Rx
C117
0.5PF
50V
R107
18
R111
200
R115
18
R120
200
C153
10PF
50V
1KR134
C152
10PF
50V
5
26
25 23
RFTUNE
GNDTUNE
RFVCOVCC
U101
TXON
IA6IB
710
9
PCS_RX
C101
10PF
50V
C120
390PF
21
24
22
50V
RXON
RFCPO
SYNON
20
SYNVCC
RFCPVCC
19
EN
18
CLK
17
DATA
16
REFVCC
15
REFIN
14
REFGND
13
CLKFDBX
12
CAFCSUP
11
CLKOUT
IFVCC
QA89QB
GND1
41
C142
C141
8.2PF
100NF
10V
50V
9
786
VC2
VC1
L
L
L
L
C103
39PF
50V
C104
39PF
50V
C107
39PF
50V
R112
200
R121
200
VC3
L
LH
H
L
L
L
L
L
H
L
L101
F100
B7851
L104
15nH
B7852
L111
_ECOS
12nH
L115
15nH
R118
R119
180,1%
180,1%
3.3nH
3
OUT
1
IN
OUT
4
G25G
F102
3
OUT
1
IN
OUT
4
G25G
F101
B7837
3
OUT
1
IN
OUT
4
G25G
OSC100
VOT1810F27KRA
1
OUT1
5
OUT2
9
6
L102
L103
12nH
3.3nH
L105
4.7nH
L106
L108
27NH
4.7nH
L112
2.7nH
L113
L114
22nH
2.7nH
C116
1.8NF
50V
29
30
27
28
31
RFVCC
32
GSMIA
FESW1
FESW2
RFLOVCC
33
GSMIB
34
RFGND1
VCC_TX_BURST_2V7
C125
C124
1NF
1UF
50V
10V
ANT_SW1
11
7
2
GND
VCC1
VCC2
BAND4CONTROL
GND8GND
GND
GND
BAND
36
1012
7
35
PCSIA
36
PCSIB
37
RFGND2
UAA3536HN/C3
38
DCSIA
39
DCSIB
R108
0
40
FESWON
42
GND2
43
GND3
44
GND4
45
NC1
46
NC2
TXCPO4TXCPVCC
TXRFI
EXTRES
5
1
2
3
R116
22K,1%
R122
0
R124
R125
47
NC
R126
200
C136
C137
R129
68PF
20PF
100
50V
50V
C138
22NF
16V
8
10
5B26
4
C1
E2
Q100
PEMD10
B1
E1
2
3C21
R101
100K
C108
8.2PF
50V
C112
100PF
R104
50V
3.6K
R105
2.2K
C118
150PF
50V
C121
6.8NF
25V
1.5K,1%R106
C128
C129
1UF
1NF
16V
C156
50V
1NF
50V
3
4
VCC
OUT
OSC101
TOH2600DGI4KRA
GND
VCON
1
2
R123
0
C135
10NF
16V
R128
10K
C140
27PF
50V
2.7KR127
C157
82PF
50V
R131 4.3K,1%
C158
82PF
50V
R133 4.3K,1%
C139
100NF
10V
C111
C110
C109
100NF
100NF
8.2PF
10V
10V
50V
C113
C114
C115
100PF
100NF
8.2PF
50V
10V
50V
C123
C122
8.2PF
100NF
10V
50V
R113
220K
R114
10K
R117
C134
220K
100PF
50V
4.3K,1%R130
C154
47PF
50V
4.3K,1%R132
C155
47PF
50V
Title
Size
A3
Date: Sheet
11
VCC_RX_TX_2V7
ANT_SW2
VCC_RX_TX_2V7
VCC_RF_VCO_2V7
12
A
B
C
FE_SW2
FE_SW1
PON_SYNT
PON_RX
VCC_SYN_2V7
VCC_CP_4V
RF_EN_SYNT
RF_BBI_CLK
RF_BBI_DATA
C130
220NF
6.3V
AFC
MEL_13M
D_REF_13M
VCC_SYN_2V7
QRX_TX_N
QRX_TX_P
IRX_TX_N
IRX_TX_P
PON_TX
VCC_CP_4V
D
EE
F
G
H
X490
Sheet Name
2005.06.02
11
Rev:
RF
1.3
1 of 5
1210
1
2
3
4
A
ANT1
ANT2
ANT
B
FE_SW1
FE_SW2
C
PCS_RX
C106
C105
R102
R103
10PF
10PF
100K
100K
50V
50V
L118
NC
L107 68nH
L109 68nH
L110
CON101
A
G
2
3C1G4
0
R136
KMS-512
L119
NC
C102
33PF
50V
U100
ESHS-C090T
7
ANT
4
1
VC1
DCS_RX
8
5
VC2
GSM_RX
2
68nH
VC3
9
DCS|PCS_T
3
11
PCS_RX
GSM_TX
G2
G312G413G5G6
610
14
D
C119
L117
5.6nH
2PF
50V
ANT_SW3
PAM_TX_EN
VBAT
RAMP
C131
NC
F
G
H
1
C126
C127
100PF
100UF
50V
6.3V
R109
R110
7.5K
5.1K
C133
C132
120PF
180PF
50V
25V
TXVCO_SW1
TXVCO_SW2
2
52
GND
53
GND
54
GND
1
GSMINTERGND
2
VCC2GSM
3
NC
4
GND
5
GND
6
GSM850/900OUT
7
GND
8
NC
9
NC
10
NC
11
NC
12
NC
5051
GND
13
48
GND49GND
NC14NC15NC
C143
100PF
50V
3
47
GSM850/900IN
46
45
42
43 39
44
NC
VBATT
VRAMP
VCC1GSM
GND1GSM
U102
RF3146
VCC3GSM
VCCOUT20VCCOUT
NC22NC23NC24NC
NC
18 19
17
16
C145
C144
10NF
1NF
16V
50V
41
VBATT
21
C146
1NF
50V
40
BANDSEL
TXENABLE
VCC2DCS/PCS
DCS/PCSOUT
VCC3DCS/PCS
C147
1NF
50V
38
37
NC
VCC1
36
NC
35
DCS/PCSIN
34
GND
33
NC
32
GND
31
30
GND
29
NC
28
NC
27
NC
26
NC
25
NC
4
A
B
C
D
D_REF_13M
32K
RSTON
HD(0:15)
HA(1:26)
HWR_N
HRD_N
LCD_CS
MELODY_CS
NCSRAM
NCSFLASH
AMP_EN
CHG_ON
TTY_MODE_SEL
LCD_MAIN_EN
END_OF_CHARGE
M_RST
M_INT
CTS0
FLIP
VDD1_1V8
16V
A
B
VDD2_2V85
R204
100K
HD(0)
HD(1)
HD(2)
HD(3)
HD(4)
HD(5)
HD(6)
HD(7)
HD(8)
HD(9)
HD(10)
HD(11)
HD(12)
HD(13)
HD(14)
HD(15)
HA(1)
HA(2)
HA(3)
HA(4)
HA(5)
HA(6)
HA(7)
HA(8)
HA(9)
HA(10)
HA(11)
HA(12)
HA(13)
HA(14)
HA(15)
HA(16)
HA(17)
HA(18)
HA(19)
HA(20)
HA(21)
HA(22)
HA(23)
HA(24)
HA(25)
HA(26)
KBIO(7)
KBIO(6)
KBIO(5)
KBIO(4)
KBIO(3)
KBIO(2)
KBIO(1)
KBIO(0)
VDD2_2V85
C206
100NF
16V
P11
CKI
P13
CKI32I
P14
CKI32O
C10
RESETN
M10
RSTO_N
H10
RST_N
K14
AUXON
H4
HD0
H3
HD1
H2
HD2
J3
HD3
E5
HD4
H1
HD5
B1
HD6
E4
HD7
F3
HD8
F2
HD9
F1
HD10
E1
HD11
D1
HD12
E3
HD13
E2
HD14
B2
HD15
M4
HA1
P3
HA2
L4
HA3
N3
HA4
K5
HA5
M3
HA6
P2
HA7
N2
HA8
M1
HA9
N1
HA10
L2
HA11
L1
HA12
M2
HA13
J2
HA14
J5
HA15
K3
HA16
J4
HA17
K4
HA18
K2
HA19
G4
HA20
P5
HA21
N6
HA22
L6
HA23
J7
HA24
J6
HA25
H6
HA26
L5
0R227
HWR_N
H5
HRD_N
NCC229
G3
CS_N3
M5
CS_N2
G5
CS_N1
N4
CS_N0
M12
GPIO0
K9
GPIO1
L8
GPIO2
M9
GPIO3
P7
GPIO4
L7
GPIO5
L9
GPIO6
N7
GPIO7
P6
GPIO8
N8
GPIO9
K8
GPIO10
L14
KBIO7
L12
KBIO6
L13
KBIO5
L11
KBIO4
J11
KBIO3
K13
KBIO2
J10
KBIO1
K11
KBIO0
VDD3_2V85
VDD2_2V85
C200
C208
C207
10NF
10NF
16V
16V
VDD1_1V8
N13
VDDC_AF5VDDC_B
CTS0_N
RXT0_N
B5
A5
CTS0
VDDC_CM8VDDC_D
C5
RTS0
TXD0
100NF
16V
K6
TXD0
RXD0C4RXD1
RXD0
D4
VDDE1_AP9VDDE1_B
TXD
A4
TXD1
RXD1
VDD2_2V85
C8
N12
H11
VDDE1_C
VDDE1_DP8VDDE2_C
D2
TDI
TMS
TCKA3TDI
D3
TCK
VDD1_1V8 VDD1_1V8
VDD3_2V85VDD1_1V8
R200
47
C215
100nF
6.3V
L3
VDDE2_EP4VDDE3_AM6VDDE3_BG2VDDE3_F
VDDE3_G
U202
AVSS
VSS_AK7VSS_B
J_SEL
J1
P10
R225
0
J_SEL
VSS_C
M7
P12
AVDD
VSS_F
VSS_G
VSS_H
VSS_IE8VSS_KC3VSS_M
VSS_E
N14
N11
N10
G13
VDD2_2V85
R226
NC
C1
OM6359EL3/3C5/7L
TDOA2TMS
TRST_N
A1
B4
TDO
TRST_N
C216
39PF
50V
F12
VDD_BB
VSS_O
VSS_PN5VSS_REF
VSS_N
P1
K1
G1
C9
D14
VDD_D
AVDD_2V65
B12
VDD_VB
VDD_REF
E13
C12
VDD_VBOUT
VSS_BB
VSS_D
C13
D11
VSS_VB
A12
C213
100NF
10V
C11
AUXDAC1
AUXDAC2
AUXDAC3
AUXADC1
AUXADC2
AUXADC3
AUXADC4
VSS_VBOUT
GPON2
GPON1
AUXST
RFSIG0
RFSIG1
RFSIG2
RFSIG3
RFSIG4
RFSIG5
RFSIG6
RFSIG7
RFSIG8
RFSIG9
RFSIG10
RFE_N0
RFE_N2
AUXSP
AUXMICP
AUXMICN
BIOCLK
SIMCLK
SIMERR
C214
39PF
50V
N9
L10
G10
D5
A6
D6
B6
A7
C7
B7
C6
E7
K10
D7
H12
RXON
G12
TXON
E10
CCLK
E9
CDO
D8
CDI
D9
CEN
J12
K12
C14
VREF
E12
D13
D12
H13
QP
H14
QN
J13
IP
J14
IN
F14
G14
E14
F13
B10
EARP
A11
EARN
A10
B11
BUZ
A13
MICP
B13
MICN
B14
A14
D10
MCLK
A8
ADI
B9
AFS
B8
ACLK
A9
ADO
G11
BOEN
E11
BDIO
F10
BIEN
F11
C2
SCK
B3
SDA
M13
SIMIO
M14
M11
E6
PWM1
F4
PWM0
C203
100NF
VDD3_2V85
R219
100K
KBIO(0:7)
VDD1_1V8
16V
C204
10NF
R218
100K
TP206
TP207
1 2 3
R228
0
TXVCO_SW1
TXVCO_SW2
PAM_TX_EN
ANT_SW1
ANT_SW2
ANT_SW3
PON_SYNT
PON_TX
PON_RX
RF_BBI_CLK
RF_BBI_DATA
RF_EN_SYNT
100NFC219
10V
AFC
RAMP
QRX_TX_P
QRX_TX_N
IRX_TX_P
IRX_TX_N
MES_BATT
R214 10K,1%
R215
4.7
R217
4.7
AUXSP
MIC_P
MIC_N
AUX_MIC_P
AUX_MIC_N
D_REF_13M
TP208
TP209
TP210
TP211
VDD2_2V85
R224
2.2K
LCD_RESET
V_MODE
REF_ON
VDD1_1V8
AVDD_TEMP_2V65
R212
100K,1%
10K,1%
R220
100K,1%
R221
3.9K
R223
2.2K
R211
DD
FSC
DCL
DU
BOEN
BDIO
BIEN
BIOCLK
SCL
SDA
SIMIO
SIMCLK
IT_PMU
HRD_N
HWR_N
HA(26)
HA(25)
NCSFLASH
VF
EARP_P
EARP_N
LINE_OUT
TH200
NCP15WB473J04RC
H201
4321
VDD_1.9V
VDD3_2V85
C212
C210
100NF
16V
100nF
6.3V
HA(1:23)
VDD_1.9V
VDD3_2V85
R206
R208
R207
R209
100K
4.7K100K
10K
TP212
C220
C222
C221
10NF
100nF
100nF
6.3V
6.3V
16V
AUX_MIC_P
AUX_MIC_N
C227
AUXSP AUX_SPK
C228
NC
J_SEL
J_SEL
B_TRST
TRST_N
B_TDO
TDO
B_TDI
TDI
B_TMS
TMS
B_TCK
TCK
B_WR
HWR_N
RST0N
RSTON
GROUND
GROUND
JTAG
PCB_HOLE
H203
H202
H204
HA(1)
HA(2)
HA(3)
HA(4)
HA(5)
HA(6)
HA(7)
HA(8)
HA(9)
HA(10)
HA(11)
HA(12)
HA(13)
HA(14)
HA(15)
HA(16)
HA(17)
HA(18)
HA(19)
HA(20)
HA(21)
HA(22)
HA(23)
R210
100K
NC
MEMORY
128Mb(Strata) + 64Mb(PsRAM)
B5
VCC1
L4
VCC2
B6
VCC2
K6
VCC2
J8
VCCQ
K7
VCCQ
L3
VCCQ
G1
A0
F1
A1
E1
U201
A2
D1
A3
B1
A4
C1
A5
F2
A6
E2
A7
F6
A8
D7
VPP/VPEN
A9
E7
A10
B8
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
A21
A22
A23
A24
A25
P-VCC
P-MODE
R-OE#
R-WE#
R-UB#
R-LB#
WP#
WE#
ADV#
RST#
CE#1
CE2
OE#1
OE#2
RD38F3040L0ZBQ0
R216
C224
10K
1NF
50V
Sheet Name
A3
TRST_N
CHARGER_OK
JIG_REC
CHARGER_OK
HWR_N
C225
100NF
10V
WAIT
P-CS#
S-CS1#
S-CS2
S-VCC
C223
100NF
10V
TDO
TMS
TCK
VBAT
RXD0
TXD0
CTS0
RTS0
ANT
2005.06.02
C8
D8
F7
E8
F8
D2
B2
B3
E6
B7
C7
C3
D3
E3
K5
K8
H1
D5
F3
C2
E4
F5
E5
F4
K1
G8
J2
H8
Title
Size
Date:
H2
D0
H3
D1
G3
D2
H4
D3
J5
D4
G5
D5
J6
D6
H7
D7
G2
D8
J3
D9
G4
HD(10)
D10
J4
HD(11)
D11
H5
HD(12)
D12
G6
HD(13)
D13
H6
HD(14)
D14
J7
HD(15)
D15
D4
C6
CLK
G7
D6
K2
RFU
K3
RFU
J1
C5
K4
B4
VSS
C4
VSS
L2
VSS
L5
VSS
L6
VSS
L7
VSS
L8
VSS
L1
VSS
A1
DU
A2
DU
A7
DU
A8
DU
M1
DU
M2
DU
M7
DU
M8
DU
1
NC
2
NC
R222
0
17
18
19
TDI
20
21
22
23
24
25
26
27
28
29
30
31
32
JTAG-2
X490
MODEM / MEMORY
HD(0)
HD(1)
HD(2)
HD(3)
HD(4)
HD(5)
HD(6)
HD(7)
HD(8)
HD(9)
TRST
TDO
TMS
TCK
GND
RXD
TXD
31
ANT
4
TDI
F-WE
V_BATT
HP/POWER
28
29
30
JTAG-32PIN
VDD_1.9V
R205
100K
MIC_BIAS_2V1
CN200
GND
V_BUS
SPK+
SPKMIC+
MOT+
HD(0:15)
A
VDD3_2V85
R201
100K
NCSRAM
C218
100NF
16V
B
R213
3.9K
AUX_MIC
C
1
1
2
2
3
3
4
4
5
5
6
6
7
8
9
D+
10
D-
11
12
13
14
VIB
15
15
16
16
D
Rev:
1.3
Sheet
2 of 5
1
2
3
4
5 12
6
7
8
9
10
11
A
VBAT
VDD2_2V85
U300
R300
47K
8
_CHG
BATT
_ACOK
_EN
G
9G1011GG12
U303
4
VDD
CE
3
GND
VOUT
END_OF_CHARGE
R302
7
6
5
C304
10UF
10V
VBAT
VDD_1.9V
C319
1000nF
10V
330K,1%
MES_BATT
C300
R303
200K,1%
CHARGER_OK
CHG_ON
C303
NC
BACKLIGHT
C317
1000nF
BLVDD_3V25
10V
100NF
10V
MIC_BIAS_2V1
C311
C312
C313
TACL106M006R
4.7PF
15PF
50V
R305
15K
V_ISUP_2V5
C315
470nF
6.3V
VCC_RX_TX_2V7
VCC_RF_VCO_2V7
PON_SYNT
50V
BAT300
ML-414RM/F9ME
VCC_SYN_2V7
PON_TX
C326
10UF
6.3V
BLVDD_3V25
C320
1UF
10V
VCC_TX_BURST_2V7
ZD300
UDZS8.2B
C308
470nF
6.3V
VDD2_2V85
MAX1508ETA
1
VL
2
IN
3
GND
4
ISET
R304
ERJ2RKF2701X
CHARGER IC
R1114Q191B_TR_FA
1
2
B
+DCVOLT_5V
C307
C306
10UF
100NF
16V
10V
C
D
E
F
TYP
SIGNAL
MIC_BIAS
V_ISUP
BL_VDD
VCC_RX_TX
G
VCC_RF_VCO
VCC_RX_BURST
VDD1
VDD2
TYP3SIGNAL
2V1
VDD3
2V85
2V5
VDD_VIB
3V05
3V25
AVDD
2V65
2V7VCC_SYN
2V65
AVDD_TEMP
2V7
3V05
VDD_AMP
2V7
2V95
VDD_KEY
2V7
VCC_CP
4V
1V8
SIMVDD
2V85
3V
5V
CHARGER_OK
C327
10UF
6.3V
ONKEY_N
IT_PMU
JIG_REC
RECO1
JACK_IN
RSTON
REF_ON
C310
4.7UF
6.3V
C314
100NF
10V
VDD1_1V8
R301
10K
TP300
32K
TP301
PCF50601ET1-N5
SCL
SDA
VBAT
C329
C328
100NF
100NF
10V
10V
U302
VBAT
VIB
VBAT
C305
100NF
10V
C309
100NF
H5
D9
H3
K1
J2
K2
A9
K3
TM
E3
SCL
F2
SDA
INTERFACE
H8
REFC
ON-CHIP
K6
REFGND
REFERENCE
refgnd
MIC BIAS
J6
MICBIAS
TEMP HIGH
SENSOR
VBAT
K4
J5
VBACK
H6
ISUPA
J4
ISUPD
B7
BLVBAT
A7
BLVDD
C5
BBMSW
A8
BBMGND
G9
RFVBAT
G10
RF1VDD
F10
RF1SNS
H10
RF2VDD
H9
RF2SNS
E8
RF1SWS
F9
RF1VDDS
E10
RF2SWS
J10
RF2VDDS
C330
100NF
10V
VDD_VIB_3V05
VSS2
VSS3F4VSS4
VSS5
VPROG
VSS1
H7 E4
G5K5
F5
G4J3
VDD2_2V85
C339
C338
C337
4.7UF
4.7UF
1UF
6.3V
10V
6.3V
12C
&
INTERNAL
SUPPLY
MODULE
BACKLIGHT
SUPPLY &
CONTROL
LINREG
SWITCH
VSS6
VDD1_1V8VDD3_2V85
REC1
REC3
RSTO
ONKEY
AUXON
REC2
SLPMOD
CLK32
ON/OFF
CONTROL
control
status
data
ovdd
htmp
reference
voltage
internal
bias currents
clocks
GENERATOR
calibration
htmp
REAL-TIME
internal
supply
VSS7
VSS8
VSS9
VSS10
F6G6
G7G8
V_ISUP_2V5
C340
1UF
10V
DVDD1
VSS18
VSS19
VSS20
VSS21
VSS11
VSS12
VSS13
VSS14
VSS15
VSS16C7VSS17
DVDD1
DVDD1VBAT
F1F3
E9
E5D5
D4C4
F7E6
E7D7
D6
C10
INT
CLOCK
CLOCK
SEL12RB
INTERRUPT
GENERATOR
PLL
VBAT
DVDD2
DVDD2
DVDD2VBATG3DVDD3
G2G1
SEL3RB
DVDD2
DVDD3VBATH2DVDD4
H4
H1J1
A2
B1
B2D10
SIMGND
SIMVBAT
SIM
CHARGE
PUMP
SIM
INTERFACE
32KHz XTAL
OSCILLATOR
BATTERY
VOLTAGE
MONITOR
CHARGE
CONTROL
HIGH VOLTAGE
DVDD3
DVDD4
DVDD4VBATB4HFAVBAT
DVDD3
DVDD4ON
A4F8
10V
A1
SIMSCP
SIMSCN
SUPPLY
(CHARGE
PUMP+
LINREG)
AVDDVBAT
J8J9
C2
VCC
C3
CLK
C1
RST
D2
IO
D1
CPRES
B8
SIMIO
C6
SIMCLK
K8
OSC32I
K9
OSC32O
VBAT
D3
CHRVBAT
E2
CHRREG
E1
CHRIV
C8
HVSVBAT
B9
HVSGND
C9
HVSSCP
A10
HVSSCN
B10
HVSOC
D8
HVSVDD
VIB
HFA
AVDD
HFAVBATA6HFAVDD
HFAVDD
AVDD
AVDDS
AVDDVBAT
AVDD
A3
A5B5
B6
K7 K10
J7
B3
C336
C335
27PF
4.7UF
50V
6.3V
L300
BLM18AG102SN1D
C325
1UF
10V
2
NC
1
NC
VIBVBAT
VIBVDD
VBAT
C332
470nF
6.3V
CN300
C302
C301
2-292292-9
100NF
4.7UF
11
66
10V
6.3V
22
55
3344
G
G
7
8GG910
U301
6
1
IO
CLOCK
2
5
GND
NC
4
3
VCC
SIM
RCLAMP0504F
C341
VCC_CP_4V
R306
10M
VDD_KEY_2V95
NC
X300
4.7NF C321
AVDD_TEMP_2V65
C333
1000nF
10V
CC7V-T1A
21
25V
AVDD_2V65
SIMIO
SIMCLK
22PF
C316
22PF
C318
VBAT
C322
C323
C324
2.2UF
4.7UF
33PF
10V
6.3V
50V
C334
4.7UF
6.3V
POWER MANAGERMENT UNIT(PMU IC)
H
Changed by
Date Changed
1
2
3
4
5
6
7
8
9
10 11
Time Changed
9:40:34 ammont
Engineer
Drawn by
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MFG ENGR CHK
QA CHK
TITLE
X490
Drawing Number
H
Rev
1.3
Sheet
of
5
12
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