Samsung SGH-X820 Schematics
A
51
E
C
Date Changed
A
F
E
Engineer
10
C
D
D
1
REV
(0603)
7
Drawing Number
G
3
63
R&D CHK
DOC CTRL CHK
11
H
12
985
84
F
K.S.H
S.H.KIM
B
B
X820_REV1.6
G
Changed by
6 9
TITLE
K.S.H
QA CHK
10
4
Size
of
Drawn by
2
Sheet
Time Changed
1 4
A2
11
72
MFG ENGR CHK
SAMSUNG ELECTRONICS
H
12
C142
100nF
C132
R111
NC
R130
NC
100
C161
0.002nF
10V
1uF
TA103
18nH
5.6NHL103
TA101
L102
C148
10V
10UF
A23C1G
4
G
2200nF
ACS2450EBAX82
13 2
KMS-515
CON101
C167
ANT102
39nH
10nF
L101
VBT_1.8V
4.7nH
L112
R112
R144
NC
NC
100PF
C118
TA102
10UF
10V
6.8nH
L107
C160
33PF
C169
0.01NF
22pF
C101
C105
0.01NF
100nF
C150
R118
330K
R108
2.2K
L108
10nH
VRF_2.9V
L113
4.7nH
5.6nH
L111
10
GND
GND
17
7
GSMIN
GSM_OUT
12
RSVD
8
VBATT
5
VPC
6
4
VSUP
COUP_OUT
16
DCS|PCS_IN
2
14
DCS|PCS_OUT
ENA
1
15
GND
GND
9
GND
13
GND
11
PAM101
SKY77331
BS
3
NC
NC
5
VCC
6
4
Y
NC
C103
1
HOT
HOT
3
U104
NC7SP04L6X
A
2
3
GND
1
VIN3VOUT
4
TN4-26374
OSC101
GND1
2
4
GND2
BH18FB1WHFV
GND
2
GND
6
NC
51
STBY
C136 47PF
U105
C111
100PF
VRF_2.9V
R104
0
R113
NC
0.75PF
C131
VBAT
R115
560
100nF
C158
7
900LNA_P
8
1800LNA_N
9
1800LNA_P
VBT_1.8V
37
QM|TX_QM
38
QP|TX_QP
39
TXLB
4
850LNA_N
40
TXHB
41
GND
5
850LNA_P
6
900LNA_N
VPC
30
NC
31
NC
32
VCC3
33
LOMON
34
VDIGENA
IP|TX_IP
35
36
IM|TX_IM
22
VCC2
23
DATAIN
24
LATCHENABLE
25
CLK
26
SXENA
27
CHIPENA
28
NC
29
NC
3
15
VAPC16COMPP17COMPN18LPFADJ1913MHZ_26MHZ|XBUF
2
TXENA
20
XTUNE
21
XTAL
U100
SKY74137
1
VCC1
10
1900LNA_N
11
1900LNA_P
12
RXENA13VCC414TXRFIN
R134
0
C113
10nF
220
VRF_2.9V
ANT103
R103
100
VBAT
ANT101
R116
VBAT
C104
NC
C162
NC
C145
C121
33PF
18
VDD_1.8V
17
VDD_IO
VDD_REG
16
470PF
PIO_5
20
21
PIO_6
PIO_7
22
RESETB
2
UART_CTS
10
7
UART_RTS
UART_RX
8
9
UART_TX
PCM_IN
5
3
PCM_OUT
PCM_SYNC
4
PIO_0
14
15
PIO_1
24
PIO_2
1
PIO_3
19
PIO_4
LBMA465CP3-11
ANT
12
GND
11
13
GND23GND
PCM_CLK
6
0
R146
U101
C122
120PF
0
22pF
C109
0.01NF
R142
0
C143
NC
R121
R143
R131
C135 39PF
100
5.6nH
L110
R102
2PF
C102
100nF
220
C115
NC
C134
NC
R120
C163
33PF
R124
47K330nF
C149
C112
10nF
24
R101
0R126
7G14
G
NC
5
8
PCSRX_1
PCSRX_2
9
4 VC1
VC22
U102
ANT
6
DCSRX_1
10
11
DCSRX_2
1
D|PCSTX
EGSMRX_1
12
13
EGSMRX_2
EGSM_TX
3
100nF
C147
FEM4532TBG-2
R136
10K
10K
R109
VBAT
R105
39K,1%
0
WR0402X000JT
L116
0
WR0402X000JT
L115
L109
10nH
ANT
0.01NF
C106
CLK13M_RF
CLK13M_OUT
CLK13M_OUT
BT_RXD
BT_TXD
PCM_SYNC
PCM_OUT
PCM_IN
PCM_CLK
CLK13M_YMU
CLK13M_TI
SAT_DET
AFC
MODE_SEL
CLK13M_RF
AFC
CLK13M_TR
CLK13M_MC
DPCS_OUT
GSM_OUT
VPC
GSM74137_OUT
XOENA
SAT_DET
VAPC
TX_FB
RX_EN
VBT_EN
SX_EN
SERCLK
SERLE
SERDAT
TX_FBPAC_EN
DCS74137_OUT
BAND_SEL
GSM_OUT
DPCS_OUT
DCS_TX_EN
GSM_TX_EN
RTXIP
RTXIN
RTXQN
RTXQPGSM74137_OUT
DCS74137_OUT
TX_EN
VPC
876
DOC CTRL CHK
Sheet
7
1
Engineer
H
2
G
Drawing Number
12
H
Changed by
X820_REV1.6
10
4
QA CHK
11
4
3
8
5
1
Size
B
Time Changed
G
BOARD_HOLE
K.S.H
D
R&D CHK
E
3 6 11 12
Date Changed REV
K.S.H
2
TITLE
C
E
D
A3
B
Drawn by
F
A
MFG ENGR CHK
109
9
A
SAMSUNG ELECTRONICS
2
5
4
C
of
TP206
TP205
47KR218
R219
47K
33PF
C216
TP200
10nF
C208
HP_CORE_1.6V
C207
10nF
TP202
TP203
C204
100nF
VCCD_1.8V
100nF
C202
100K
OSC200
FC-135 (0.032768MHz)
R203
10uH
L201
G3
HP_CORE_1.6V
VCCD_1.8V
C205
10nF
GND
3
4
GND
LED
7
SW
1
VIN
5
U201
LT3491ESC8
8
CAP
6
CTRL
2
GND
C201
100nF
VBAT
47K
R214
C215
470nF
6.3V
33K,1%
R210
TP201
VCCD_1.8V
TP204
C203
10nF
10,1%
R207
VCCD_2.9V
VRTC_1.5V
R211
47K
R212 R213
47K47K
100nF
C206
R202100K
10K
R200
R204
100K
D_IO
Y8
D_D1
Y9
10PF
C213
PIO19_PWRKEEP
Y20
PIO34_SPRXD2
Y21
PIO41_IRDATX
Y22
SPCLK0
Y3
CLKR
Y4
D_A2
Y5
D_A7
Y6
D_RWN
Y7
D_D9
Y12
D_D12
Y13
NC
Y15
ATDO_PWM2
Y16
TRSTN
Y17
TMS
Y18
D_INT0
Y19
RI0_PIO01
Y2
PIO20_SYSCLKREQ
W20
PIO42_IRDARX
W21
VCCR
W3
SPRXD0
W4
D_A3
W6
D_A8
W7
AVDBRU
W9
D_D7
Y11
CEB_NOR0
V9
A_CS0N
W10
D_D5
W11
D_D15
W13
NC
W14NCW15
TEST2
W17
TEST3
W18
NC
V15
TEST1
V16
PIO31_IRQ6
V19
PIO00_IRQ5
V20
VDD18
V23
DTR0_PIO03
V4
DCD0_PIO44
V5
CEB_NOR1
V8
CTS0_PIO29
U4
DSR0_PIO02
U5
NCU8NC
U9
VCCO
V1
D_D4
V11
D_D8
V12
IOBIT1_PIO06
V13
NC
U11NCU13NCU15NCU16
IRQ4
U19
VCCR
U20
VCCU
U21
RTS0_PIO04
U3
VDD18
T2
VCCU
T20
VCCQU
T21
VCCQU
T22
TX0
T3
RX0_IRQ28
T4
INTO
T6
NC
T7
VCCQO
R3
RX1_IRQ28
R4
ATDI_RTS1
R5
ATCK_CTS1
R6
NC
R7
VSS
R9
NC
T17NCT18
NC
R17
IRQ3
R18
IRQ2
R19
VCCQO
R2
IRQ1
R20
VCCQR
R21
VCCQU
R22
VDD15
R23
VCCO
P21
VCCQR
P22
VCCQO
P3
TX1
P5
VDD15
R1
VSS
R11
VSSA_D
R13
VSS
R15
NC
N7
VSSN9VSS
P10
NC
P11
VSS
P13
VSS
P14
SPFS1_PIO15
P19
VCCQO
P2
SPTXD1_PIO16
N18
SPRXD1_PIO17
N19
SPCLK1_PIO18
N20
VCCO
N21
KEYBRD3
N3
KEYBRD2
N4
KEYBRD1
N5
KEYBRD0
N6
KEYBRD5
M6
VSS
N10
VSS
N11
VSS
N12
VSS
N13
NC
N14
VSS
N15
NC
N17
NC
L9
VDD18
M1
VSS
M11
VSS
M13
PIO43_MCIDAT0EN
M18
PIO24_MCIDAT3
M20
VDD18
M23
KEYBRD4
M4
PIO40_MCIDATEN
L19
PIO22_MCIDAT1
L20
PIO23_MCIDAT2
L21
KEYBRD6
L3
KEYBRD7
L4
KEYBRD9
L5
KEYBRD10
L6
NCL7NC
L10
VSS
L11
VSS
L12
VSS
L13
VSS
L14
VSS
L15
NC
L17
PIO39_MCICMDEN
L18
VSS
K13
VSS
K14
ATMS_PIO45
K19
VCCO
K2
PIO08_MCICMD
K21
PIO21_MCIDAT0
K22
KEYBRD8
K3
KEYBRD11
K5
PIO35_A_A25_BOOTSEL
J3
RDYO
J4
WPBR
J5
CLKO
J6
NC
J7
VSSJ9VSS
K10
VSS
K11
NC
J17
AVDB_NAND
J18
OSC32OUT
J19
PWM1_PIO46
J2
RTCALARMN
J20
PIO47_SPCLK2
J21
PIO38_MCICLK
J22
VDD15
J23
A_A24
H3
A_A23
H4
A_CS2N
H6
NC
H7
VDD15
J1
VSS
J11
VSS
J13
VSSA_U
J15
NCG8NCG9NC
H17NCH18
VDD18
H2
RESETN
H20
X1RTC
H21
VRTC
H22
NC
G15NCG16
RPBO
G19
FLASHRSTN
G20
X2RTC
G21
A_A22
G3
A_A21
G4
CEB_NAND
G5
PIO37_USBDATA
F20
VDD15A_U
F23
A_A20
F4
A_A19
F5
MRSBU1
F8
MRSBU0
F9
NC
G11NCG13
A_CS4N
E9
VCCU
F1
A_D3
F11
A_D8
F12
A_D12
F13
NC
F15NCF16NCF19
NC
E17NCE18
PIO36_USBOEN
E20
PIO13_USBVMO
E21
VCCR
E3
NC
E4
RDYR/WAITBU
E6
CSB_RAM1
E7
A_A4
D7
A_A3
D8
CSB_RAM0
D9
A_D1
E10
A_D4
E11
A_D11
E13
A_D14
E14
NC
E15
A_A18
D2
NC
D20
PIO12_USBVPO
D21
PIO11_USBVMI
D22
A_A17
D3
A_A16
D4
A_A7
D5
A_A5
D6
A_D5
D11
A_D7
D12
A_D10
D13
A_D15
D15
A_BE0N
D16
A_CS3N
D17
A_CS5N
D18
A_CS6N
D19
PIO09_USBVPI
C22
VDD18
C23
A_A14
C3
A_A9
C4
A_A6
C5
VDD18
C7
A_A2
C8
A_D0
C9
A_D13
C14
A_OEN
C15
A_CS1N
C16
VDD18
C17
VCCU
C19
A_A15
C2
A_CS7N
C20
PIO07_USBSUSP
C21
A_A10
B3
A_A8
B4
A_A1
B8
A_A0
B9
VDD18
C1
A_D2
C10
A_D6
C11
A_D9
C13
A_A13
B1
VDD18
B10
VDD18
B14
PIO30_WAITN
B15
A_WEN
B16
A_BE1N
B20
M_A24
B21
DPDBR
B23
VDD15A_D
AC18
SPFS0
AC2
VDD18
AC21
PIO10
AC22
PIO25
AC23
D_A4
AC3
VDD18
AC6
VDD15
AC9
PIO27
AB23
D_A0
AB3
D_A5
AB4
VCCQR
AB8
VCCQR
AB9
SIMCLK
AC1
D_D10
AC12
VDD15
AC15
D_D2
AA9
SIMIO
AB1
D_D6
AB10
D_D13
AB14
CKI
AB15
VDD18
AB16
TCK
AB20
PIO28_RTCK
AB21
CPTSTSTOP_CKO
AA21
PIO32
AA22
PIO33_SPTXD2
AA23
SPTXD0_I2SD
AA3
D_A1
AA4
D_A6
AA5
VCCQU
AA7
D_D0
AA8
D_D11
AA13
D_D14
AA14
IOBIT0_PIO05
AA15
D_CKO_IACK
AA16
TDO
AA17
TDI
AA19
PIO14_SIMRST
AA2
PIO26_SPFS2
AA20
M_A25
A22
M_A26
A23
VDD18
A3
VPPR
A6
VDD15A9VDD18
AA1
D_D3
AA10
VDD18
AA11
NC1NC
2
A_A12
A1
RPBR
A12
VDD15
A15
VPPOTP
A18
A_A11
A2
VDD18
A21
TRHPEBJD-320V-LDT
UCP202
10PF
C212
100nF
C210
VCCD_1.8V
C211
10nF
10nF
VCCD_1.8V
C200
10UF
TA201
10V
G4
C214
1000nF
25V
10KR206
CP_TCK
CP_TDI
CP_TMS
RST
A(2)
A(1)
A(8)
YMU_IRQ
YMU_CS
A(0)
BP_VF
CP_WEN
CP_OEN
FLASH_RESET
ROM1_CS
ONENAND_CS
RAM_CS
LCDC_CS
RAM_CS
ONENAND_CS
FLASH_RESET
ONENAND_CS
ROM1_CS
CP_TDO
CHG_DET
EAR_SWITCH
LCD_BACKLIGHT_EN
RTCALARM
CHG_OFF
HERA_RESET
CP_TDO
CP_TDI
CP_TCK
CP_TMS
JACK_IN
INTRQ
USB_CON
TI_EN
M_HOLD
LCDC_INT
UP_CS
VIB_EN
BT_TXD
BT_RXD
PSW1_BUF
KEY_COL(0:4)
KEY_ROW(0:4)
VBT_EN
KEY_EL_EN
SCL
SDA
CLK32K
PWR_KEEP
XOENAQ
AMP_EN
TI_RESET
DSP_INT
DSP_IO
DSP_RWN
USB_SUSP
USB_VPO
USB_VMO
USB_OEN
USB_DATA
USB_DET
SIMRST
SIMCLK
SIMDATA
UP_SCLK
UP_SDO
UP_SDI
DSP_DB(12)
DSP_DB(13)
DSP_DB(14)
DSP_DB(15)
RST
PCM_SYNC
PCM_IN
PCM_OUT
PCM_CLK
DSP_AB(5)
DSP_AB(6)
DSP_AB(7)
DSP_AB(8)
DSP_DB(0)
DSP_DB(0:15)
DSP_DB(1)
DSP_DB(2)
DSP_DB(3)
DSP_DB(4)
DSP_DB(5)
DSP_DB(6)
DSP_DB(7)
DSP_DB(8)
DSP_DB(9)
DSP_DB(10)
DSP_DB(11)
D(10)
D(9)
D(8)
D(7)
D(6)
D(5)
D(4)
D(3)
D(2)
D(1)
D(0)
DSP_AB(0:8)
DSP_AB(0)
DSP_AB(1)
DSP_AB(2)
DSP_AB(3)
DSP_AB(4)
KEY_ROW(1)
KEY_ROW(3)
KEY_ROW(4)
KEY_COL(4)
KEY_COL(3)
KEY_COL(2)
KEY_COL(1)
KEY_COL(0)
SDS_TXD
SDS_RXD
D(15)
D(0:15)
D(14)
D(13)
D(12)
D(11)
LCD_BACKLIGHT_EN
LED+_12V
CLK13M_TR
KEY_ROW(2)
KEY_ROW(0)
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