Samsung E1220T Schematics
SAMSUNG CONFIDENTIAL
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.
R101
EGSM_TX
R102
R104
DCS_TX
R105
PON_PAM
BAND_SEL
RX_SEL
R109
RAMP
CN100
G
G
A
C
4
2
1
3
VBAT
C104
C107
C112
R106
C121
C120
PAM100
1
LB_IN
10
HB_IN
4
TX_EN
7
VBS1
3
VBS2
5
VRAMP
11
VBATT
C122
C123
L101
C106
L108
C105
C108R103
GND
GND
C109
2
3
5
G
G
17
ANT
12
RX1
13
RX2
16
18
2
NC
6
NC
8
NC
9
NC
14
NC
15
NC
G
C115
IN2
4
IN1
1
C117
F100
C101
C100
C102
L103
10
G
OUT2
OUT2
OUT1
OUT1
C113
7
6
9
8
L106
CON100
1
1
2
2
L100
FM_RST
FM_SCL
FM_SDA
L102
VGPIO_2.8V
C111
EGSMRX_P
L105
EGSMRX_N
C116
DCSRX_P
L107
C119
DCSRX_N
FM_ANT
L104
FM_INT
R100
18
19
17
NC
NC
1
NC
2
3
RFGND
4
_RST
5
R107
R108
16
GND
U100
_SEN
VGPIO_2.8V
14
15
NC
GPO
SCLK
SDIO
7
6
FM_L
13
VA
12
LOUT
ROUT
FM_R
11
DNGIMF
10
VD
9
32K_DIGIT
RCLK
VIO
8
C118
C114
VBAT
LCD_BL_EN
C124
R112
R113
0603
R114
R115
060330603060
SC100
1
1
2
2
3
3
4
4
5
5
U101
6
1
D1
EN
2
GND
3
IN
SC101
SC102
1
1
1
1
2
2
2
2
3
3
3
3
4
4
4
4
5
5
5
5
LED_K1
5
RSET
4
D2
LED_K2LED_A
R111
1
VIB_EN
SC104
SC105
1
1
1
1
2
2
2
2
3
3
3
3
4
4
4
4
5
5
5
5
MOT100
R110
2
1
1
2
3
TR100
C125
2
SC106
SC107
1
1
1
1
2
2
2
2
3
3
3
3
4
4
4
4
5
5
5
5
VBAT
C126
GSM RX
DCS RX
GSM TX
DCS TX
Service Schematics
ANT
SAMSUNG CONFIDENTIAL
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.
VBG
C201 C202
VRF_2.85V
VBAT
VCORE_1.25V
C200
A(17:22)
MD(0:15)
VRF_2.85V
TH200
R209
FM_L
FM_R
EAR_N
EAR_P
R206
SPK_N
SPK_P
KEYIN(0:2)
KEYIO(0:2)
KEYOUT(0:3)
MAIN
1
V_BATT
VBAT
2
VBUS
3
GND
4
D+
5
CHARGE_OK
JIG_ON_J
6
D-
7
UART0_RXD_J
UART0_TXD_J
RXD
8
CTS
9
TXD
10
RTS
11
JIG_REG
JIG_REC
12
ANT
VGPIO_2.8V
C203
A(17)
A(18)
A(19)
A(20)
A(21)
A(22)
MD(0)
MD(1)
MD(2)
MD(3)
MD(4)
MD(5)
MD(6)
MD(7)
MD(8)
MD(9)
MD(10)
MD(11)
MD(12)
MD(13)
MD(14)
MD(15)
C224 R203
C226
MIC_BIAS_2.4V
C228
KEYIN(0)
KEYIN(1)
KEYIN(2)
KEYIO(0)
KEYIO(1)
KEYIO(2)
KEYOUT(0)
KEYOUT(1)
KEYOUT(2)
KEYOUT(3)
C204
TORCH_EN
LCD_BL_EN
LCD_RST
3.5_DETECT
AUDIO_SW
MAIN_MIC_N
MAIN_MIC_P
EAR_MIC_N
EAR_MIC_P
EAR_SW
EAR_SW_REF
VBAT
VCORE_1.25V
VMEM_1.8V
VBAT VBAT
L200
VANA_2.85V
ADDR1
ADDR2
ADDR3
ADDR4
ADDR5
ADDR6
ADDR7
ADDR8
ADDR9
ADDR10
ADDR11
ADDR12
ADDR13
ADDR14
ADDR15
ADDR16
ADDR17
ADDR18
ADDR19
ADDR20
ADDR21
ADDR22
DATA0
DATA1
DATA2
DATA3
DATA4
DATA5
DATA6
DATA7
DATA8
DATA9
DATA10
DATA11
DATA12
DATA13
DATA14
DATA15
GPIO1
GPIO2
GPIO5
GPIO6
GPIO7
GPIO8
GPIO10
GPIO20
GPIO38
GPIO39
GPIO40
GPIO41
GPIO52
GPIO57
AUX_POK
AUX_ADC_0
AUXAUD_IN_L
AUXAUD_IN_R
EAR_OUT_N|R
EAR_OUT_P|L
INTMIC_BIAS
INTMIC_IN_N
INTMIC_IN_P
EXTMIC_BIAS
EXTMIC_IN_N
EXTMIC_IN_P
HSET_OUT_N
HSET_OUT_P
HKSW_DET1
HKSW_DET2
KEYIN0
KEYIN1
KEYIN2
KEYIO0
KEYIO1
KEYIO2
KEYOUT0
KEYOUT1
KEYOUT2
KEYOUT3
R200
VBG
C214
C213
R9
T11
T12
P16
V12
R16
R14
R13
R12
M18
VBG
VCORE
VBAT_RTC
VBAT_ANA
VBAT_ANA
VDD_AUDIO
VBAT_DCDC
VBAT_DCDC
VBAT_SENSE
VDD_AUDIO_DRV
GND_GDGPA
GND_RF
GND_RF
GND_RF
GND_RF
GND_RF
GND_AUD
GND_GDGPA
GND_RF
GND_RF
GND_RF
GND_RF
GND_AUD_DRV
GND_AUD_DRV
GND_AUD_DRV
GND_GDGPA
D2
D6
B3
D4
D5
D7
C2
B2
A3
R6
T14
T13
T15
V18
H15
M15
VPERM_3.0V
R201
G12
E14
E16
F16
E11
E10
D10
B10
E9
D9
G11
VIB_EN
A(13)
A(14)
A(15)
FM_SCL
FM_SDA
FM_INT
FM_RST
JIG_ON
D13
D14
A16
B13
A10
D16
F15
E15
G15
B16
B14
G18
F19
E19
D19
C19
B19
A17
A18
G19
F18
E18
D18
B17
B18
A19
C18
W4
V2
W2
V3
V4
G4
H5
W3
H4
J1
W1
V1
J2
J4
R8
M19
P18
R18
402R522C
W16
W17
T18
U19
V19
U18
C227
R19
T19
W18
W19
1R207
P19
N19
K1
K2
K4
L1
L2
L4
M1
M2
N1
N2
R15
N15
VDD_AUDIO_DRV
GND_RF
E2
E4
VPERM_3.0V
C212
VCORE_1.25V
VGPIO_2.8V
VSIM1_3.0V
VRF_2.85V
L8
L7
T9
A4
A13
A14
A15
VDD_RF
VDD_GPPM
VDD_GPPM
VDD_VMEM
VDD_VMEM
VDD_VMEM1
L9
F4
B4
K7
K9
K8
G5
L11
L10
K11
K10
K12
K13
K16
VDD_RF
VDD_RF
VDD_RF_IO
VDD_RFDIG
VDD_VCORE
VDD_VCORE
VDD_VCORE
VDD_VCORE
VDD_VCORE
VDD_VCORE
VDD_VCORE
VDD_VCORE
VDD_VCORE
VDD_VCORE
VDD_VCORE
VDD_VCORE
J5
P5
N5
K5
R5
M8
M7
M9
L13
L12
VDD_VCORE
VDD_VCORE
VDD_VCORE
V13
H13
B15
D15
M11
M12NCM13
M10
VDD_VIO
VDD_VIO
VDD_VIO
VDD_VIO
VDD_VIO2
VDD_VMEM
VDD_VMEM
VDD_VCORE
VDD_VCORE
VDD_VCORE
VDD_VCORE
VDD_VPERM
VDD_VCORE
UCP200
GND_RF
GND_VCORE
GND_RF
GND_RF
GND_RF
GND_RF
GND_RF
GND_RF
GND_RF
GND_RF
F2
F5
E7
E5
E6
H2
H1
G2
GND_VCORE
GND_VCORE
GND_VBAT_SNS
GND_VCORE
GND_VCORE
GND_VCORE
GND_VCORE
GND_VCORE
GND_VBG
GND_VCORE
GND_VCORE
GND_VCORE
GND_SUB
E8
H8
A9
D8
B9
H7
H9
G8
G9
G7
T10
T16
P15
H10
G10
R208
VBAT_GND
PMU_LDO
GND_VCORE
GND_VCORE
GND_VCORE
GND_VCORE
GND_VCORE
GND_VCORE
GND_VCORE
GND_VCORE
GND_VCORE
GND_VCORE
GND_VCORE
GND_VCORE
GND_VCORE
GND_VCORE
GND_VCORE
J8
J7
J9
L5
N8
N7
N9
M5
J13
J10
J11
J12
N10
H12
H11
N11
VRF_2.85V VCORE_1.25V
C205
C206
VDD_VSIM
D11
NBE0
E12
NBE1
A12
NCS0
B12
NCS1
A11
NCS2
J15
FE_CTRL0
J16
FE_CTRL1
K15
FE_CTRL2
L15
FE_CTRL3
W15
PMU_VIO
W14
PMU_VANA
V15
PMU_VMEM
W12
PMU_VPERM
W13
PMU_VRF
V14
PMU_VSIM
T8
POK_IN
V8
POK_OUT
T7
PWM_OUT0
T5
PWM_OUT1
T6
PWM_OUT2
W8
ICHGN
W9
ICHGP
E1
RFID_N
D1
RFID_P
G1
RFIE_N
F1
RFIE_P
A1
RFOH
A2
RFOL
L18
UART0_RD
K18
UART0_TD
W5
UART1_RD
V5
UART1_TD
V7
UART1_CTS
W6
UART1_RTS
A7
XTAL_26M_1
A6
XTAL_26M_2
L19
XTAL_32K_1
K19
XTAL_32K_2
A5
XTAL_SHLD
B8
XTAL_SHLD
B7
XTAL_SHLD
B6
XTAL_SHLD
B5
XTAL_SHLD
A8
XTAL_SHLD
H19
SIM_CLK
H18
SIM_DATA
G16
SIM_RST
T1
SSI_CLK
U1
SSI_DATA
U2
SSI_OUT
R1
SSI_SEL0
T2
SSI_SEL2
V9
ACC_DET_IN
L16
CLK_32K_OUT
V10
VCHG
V16
VCM_OUT
V17
VCM_OUT
V11
SWCORE
W11
L201
SWCORE
R10
GATE_REG
W10
GATE_SW
D12
NRESET_OUT
T4
NRESET
M4
NTRST
M16
PA_RAMP
P4
RTCK
P2
TCK
N4
TDI
P1
TDO
R2
TMS
R4
TEST
V6
THERM_IN
W7
LDO_EN
E13
NOE
B11
NWE0
B1
NC
C1
NC
H16
NC
J18
NC
J19
NC
N16
NC
N18
NC
R7
NC
1
NC
2
NC
GND_VCORE
USB_DP
GND_VSIM
USB_DN
GND_VCORE
N12
R11
N13
G13
KEY_LED_3.3V
C230
VANA_2.85V
VSIM1_3.0V
C208
C207
LB
UB
LCD_CS
NCSFLASH
NCSRAM
RX_SEL
BAND_SEL
PON_PAM
VGPIO_2.8V
VANA_2.85V
VMEM_1.8V
VPERM_3.0V
VRF_2.85V
VSIM1_3.0V
ONKEY_2
ONKEY_1
ICHGN
ICHGP
DCSRX_N
DCSRX_P
EGSMRX_N
EGSMRX_P
DCS_TX
EGSM_TX
UART0_TXD
UART0_RXD
OSC200
1
SIM1_CLK
SIM1_DATA
SIM1_RST
AUX_DET
32K_DIGIT
VCM_OUT
VCORE_1.25V
CHG_REG
CHG_SW
SYSRST
TRST_N
RAMP
RTCK
TCK
TDI
TDO
TMS
VF
OEn
WEn
VMEM_1.8V
VGPIO_2.8VVPERM_3.0V
C209
C211
C210
OSC201
34
2431
2
VCHG_5V
RSTON
C229
TMS
RTCK
TRST_N
TDI
TCK
TDO
RSTON
MD(0:15)
A(17:22)
VGPIO_2.8V
1
V_JTAG
2
TMS
3
RTCK
4
TRST_N
5
TDI
6
TCK
7
TDO
8
PON_RESET_N
9
GND
GSM RX
DCS RX
GSM TX
DCS TX
OSC
SIM I/O
PWR ON
TP200
E10
MD(0)
ADQ0RC
E9
MD(1)
ADQ1RC
D7
MD(2)
ADQ2RC
D6
MD(3)
ADQ3RC
E5
MD(4)
ADQ4RC
E4
MD(5)
ADQ5RC
D3
MD(6)
ADQ6RC
D2
MD(7)
ADQ7RC
D9
MD(8)
ADQ8RC
D8
MD(9)
ADQ9RC
E7
MD(10)
ADQ10RC
E6
MD(11)
ADQ11RC
D5
MD(12)
ADQ12RC
D4
MD(13)
ADQ13RC
E2
MD(14)
ADQ14RC
E1
MD(15)
ADQ15RC
A(17)
C2
A16RC
A(18)
B9
A17RC
A(19)
C8
A18RC
A(20)
B8
A19RC
A(21)
C3
A20RC
A(22)
B2
TP201
A21R
B10
NC
B3
VSSRC
C10
VSSQRC
D1
VSSRC
E3
VSSQRC
JTAG201
VMEM_1.8V
C215
C216
UME200
RDYR|WAITC
VMEM_1.8V
B5
VCCRC
F2
VCCRC
C1
VCCQRC
E8
VCCQRC
B7
VPPR
R202
C9
_CER
F5
_CSC
D10
_OERC
B6
_WERC
C6
_RESETRC
C7
_WPR
A5
TP202
_LBC
A6
TP203
_UBC
F6
CREC
B4
CLKRC
C4
_AVDRC
B1
A1
NC
A2
NC
A9
NC
A10
NC
C5
NC
F1
NC
F9
NC
F10
NC
1
NC
2
NC
C219
C217
NCSFLASH
NCSRAM
OEn
WEn
SYSRST
LB
UB
A(14)
A(15)
A(13)
C223
C222C220 C221C218
Service Schematics
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