Samsung E1232B Schematics
SAMSUNG PROPRIERARY
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.
VBAT
C145
C146
C109
EGSM_TX
L109
C119
C140
C141
1
10
4
7
3
5
11
RAMP
DCS_TX
PON_PAM
BAND_SEL
RX_SEL
C148
R108
C133
PAM100
LB_IN
HB_IN
TX_EN
VBS1
VBS2
VRAMP
VBATT
RF Part
ANT
EGSM_TX
DCS_TX
EGSM_RX
DSC_RX
Audio Part
MIC
SPK/RCV
Base Band Part
LCD
POWER ON
SIM1/SIM2
KEY
CHARGING
Service schematics
RFS100
G
G
C
A
3
4
1
2
C142
C143
L101
2
F101
C105
C118
0
3
5
1
G
G
G
G
OUT2
7
OUT2
6
OUT1
9
OUT1
8
C125
C130
C132
L110
C111
C115
ANT
GND
GND
L111
C117
17
C129
12
RX1
13
RX2
16
18
2
NC
6
NC
8
NC
9
NC
14
NC
15
NC
IN2
4
IN1
1
C131
ANT100
1
1
2
2
EGSMRX_P
L103
EGSMRX_N
DCSRX_P
L105
BT_RST_N
BT_PCM_DO
BT_PCM_DI
BT_PCM_SYNC
BT_PCM_CLK
32K_DIGIT
BT_SYSCLK_REQ
DCSRX_N
TP_PCM_TXD
TP_PCM_RXD
TP_PCM_SYNC
TP_PCM_CLK
TP_REQ_CLK
VGPIO_2.8V
C107
TP_BT_RST
TP_100
VGPIO_2.8V
C104
C103
C108
3
4
B
C
V
V
S
H
H
D
_
_
A
T
N
P
I
U
_
_
O
D
G
_
D
E
G
V
R
E
VREG_EN_RST#
SPI_PCM#_SEL
PCM_IN
PCM_OUT
PCM_SYNC
PCM_CLK
PIO0
PIO1
PIO2
PIO3
PIO4
PIO9
V
R
V
U100
C
C
N
N
2
1
A5
E6
D4
E2
D2
D3
E1
E4
D5
E3
E5
C6
R109
C102
6
2
4
2
D
A
B
C
X
G
I
U
D
A
_
_
D
D
D
D
V
V
O
I
X
D
G
I
A
U
D
A
R
_
_
_
S
S
S
S
S
S
V
V
V
4
1
C
C
C113
O
I
D
A
R
_
D
D
V
BT_RF
XTAL_OUT
XTAL_IN
UART_TX
UART_RTS
UART_CTS
UART_RX
C116
F100
TP_UART_CTS
TP_UART_RTS
C120
IN4OUT
BT_CLK
R106
R107
UART1_RXD
UART1_CTS
UART1_RTS
UART1_TXD
B1
C126
A2
A3
A6
B6
C5
B5
C121
2
G
G
1
3
C122
C123
C124
VGPIO_2.8V
R110
1
A
R111
BT_INT
FM_ANT
SC100
5
VBAT
U101
LCD_BL_EN
C137
1
2
3
6
D1
EN
GND
RSET
D2
IN
LED_K1
5
4
LED_K2LED_A
R114
VIB_EN
1
L108
3
TR100
2
C149
1
1
2
2
3
3
4
4
5
SC101
5
1
1
2
2
3
3
4
4
5
SC102
5
1
1
2
2
3
3
4
4
5
SC103
1
1
2
2
3
3
4
4
5
5
SC104
5
1
1
2
2
3
3
4
4
5
SC105
5
1
1
2
2
3
3
4
4
5
SC106
5
1
1
2
2
3
3
4
4
5
MOT100
VBAT
2
1
1
2
C150
R112
FM_INT
6
9
8
7
1
1
1
1
D
C
C
C
N
N
N
N
L106
7
0
FM_RST
1
L
VGPIO_2.8V
FM_SCL
FM_SDA
G
1
NC
2
FMI GND
U102
3
RFGND
4
N
_RST
E
S
_
6
5
R116
R115
VGPIO_2.8V
4
3
5
1
1
1
T
O
A
U
P
V
O
G
L
ROUT
K
RCLK
O
I
L
O
D
I
C
S
V
S
7
8
FM_L
12
FM_R
11
10
VD
9
32K_DIGIT
5
0
0
1
C138
C139
SAMSUNG PROPRIERARY
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.
VCORE_1.25V
AIT_L
FM_L
FM_R
AIT_R
UART0_RXD_J
UART0_TXD_J
JIG_ON_J
C200
JIG_REC
VBAT
VBG
VRF_2.85V
C203
C202
C201
A(17:22)
MD(0:15)
VRF_2.85V
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)
VR200
R205
1005
C223
EAR_N
C225
EAR_P
SPK_N
C227
SPK_P
VBAT
1
2
3
4
5
6
7
8
9
10
11
12
13
KEYOUT(0:3)
JTAG200
V_BATT
VBUS
GND
D+
AUX-ON
DRXD
CTS
TXD
RTS
BACK_UP
EXT2
ANT
KEYIN(0:2)
KEYIO(0:2)
KEYIN(0)
KEYIN(1)
KEYIN(2)
KEYIO(0)
KEYIO(1)
KEYIO(2)
KEYOUT(0)
KEYOUT(1)
KEYOUT(2)
KEYOUT(3)
TORCH_EN
AIT_RESET
LCD_BL_EN
BT_SYSCLK_REQ
VSIM2_MOD
VSIM2_EN
3.5_DETECT
AUDIO_SW
R203
MIC_BIAS_2.4V
MAIN_MIC_N
MAIN_MIC_P
EAR_MIC_N
EAR_MIC_P
EAR_SW_REF
AIT_MCLK
LCD_RST
AMP_EN
FM_SCL
FM_SDA
FM_RST
EAR_SW
BT_CLK
VPERM_3.0V
A(23)
A(24)
AIT_BY
AIT_INT
VIB_EN
A(13)
A(14)
A(15)
AIT_CS
FM_INT
BT_INT
JIG_ON
R204C224
RF Part
ANT
EGSM_TX
DCS_TX
EGSM_RX
DSC_RX
VBAT
R200
C226
C212
2
1
R
G12
ADDR1
E14
ADDR2
E16
ADDR3
F16
ADDR4
E11
ADDR5
E10
ADDR6
D10
ADDR7
B10
ADDR8
E9
ADDR9
D9
ADDR10
G11
ADDR11
D13
ADDR12
D14
ADDR13
A16
ADDR14
B13
ADDR15
A10
ADDR16
D16
ADDR17
F15
ADDR18
E15
ADDR19
G15
ADDR20
B16
ADDR21
B14
ADDR22
G18
DATA0
F19
DATA1
E19
DATA2
D19
DATA3
C19
DATA4
B19
DATA5
A17
DATA6
A18
DATA7
G19
DATA8
F18
DATA9
E18
DATA10
D18
DATA11
B17
DATA12
B18
DATA13
A19
DATA14
C18
DATA15
W4
GPIO1
V2
GPIO2
W2
GPIO5
V3
GPIO6
V4
GPIO7
G4
GPIO8
H5
GPIO10
W3
GPIO20
H4
GPIO38
J1
GPIO39
W1
GPIO40
V1
GPIO41
J2
GPIO52
J4
GPIO57
R8
AUX_POK
M19
AUX_ADC_0
N16
AUX_ADC1
P18
AUXAUD_IN_L
R18
AUXAUD_IN_R
W16
EAR_OUT_N|R
W17
EAR_OUT_P|L
T18
INTMIC_BIAS
U19
INTMIC_IN_N
V19
INTMIC_IN_P
U18
EXTMIC_BIAS
R19
EXTMIC_IN_N
T19
EXTMIC_IN_P
W18
HSET_OUT_N
W19
HSET_OUT_P
P19
HKSW_DET1
N19
HKSW_DET2
K1
KEYIN0
K2
KEYIN1
K4
KEYIN2
L1
KEYIO0
L2
KEYIO1
L4
KEYIO2
M1
KEYOUT0
M2
KEYOUT1
N1
KEYOUT2
N2
KEYOUT3
R7
CLK_BT
N18
CLK_XOUT
V
V
V
R
R
R
A
D
D
D
P
_
_
_
G
D
D
D
D
D
U
U
U
U
G
A
A
A
A
_
_
_
_
_
D
D
D
D
D
N
N
N
N
N
G
G
G
G
G
5
8
3
5
4
6
1
1
1
1
1
R
T
V
T
T
M
Audio Part
MIC
SPK/RCV
VMEM_1.8V
VCORE_1.25V
VBAT
G
B
0
0
V
2
L
VANA_2.85V
VBAT
C213
8
3
1
R
A
N
A
_
T
A
B
V
5
4
5
6
2
6
1
2
1
1
T
T
C
A
D
N
C
A
_
D
_
T
T
A
A
B
B
V
V
4
3
5
9
9
1
1
1
1
1
1
1
1
1
1
T
R
V
P
A
A
A
N
R
R
R
M
V
V
E
C
C
S
D
T
N
C
R
E
_
D
S
T
_
_
A
T
T
B
A
A
V
B
B
V
V
1
O
M
M
M
M
R
R
E
I
M
G
E
P
E
P
D
D
R
D
E
B
P
P
_
_
M
M
O
U
V
M
G
G
V
V
O
O
A
C
I
I
V
_
_
_
_
_
V
_
D
D
D
D
D
D
D
D
U
U
D
D
D
D
D
A
A
D
V
V
V
V
V
_
_
V
D
D
D
D
V
V
UCP200
A
P
G
D
F
F
F
F
F
G
R
R
R
R
R
_
_
_
_
_
_
D
D
D
D
D
D
N
N
N
N
N
N
G
G
G
G
G
G
2
2
3
2
3
B
D
C
B
A
F
F
F
F
F
F
F
F
F
F
R
R
R
R
R
R
R
R
R
R
_
_
_
_
_
_
_
_
_
_
D
D
D
D
D
D
D
D
D
D
N
N
N
N
N
N
N
N
N
N
G
G
G
G
G
G
G
G
G
G
2
6
5
5
4
4
7
6
7
2
F
E
E
E
E
E
D
D
D
D
VRF_2.85V
4
A
F
R
_
D
D
V
F
R
_
D
N
G
5
F
Base Band Part
LCD
POWER ON
SIM1/SIM2
KEY
Service schematics
CHARGING
VPERM_3.0V
VPERM_3.0V
C211
6
5
7
4
4
1
F
G
K
B
K
8
K
E
E
G
O
F
F
I
I
R
R
R
R
_
D
O
O
_
_
F
F
C
C
D
D
R
R
V
V
_
D
D
_
_
_
D
V
V
D
D
D
D
D
D
D
V
V
V
V
S
N
S
_
T
B
G
A
F
F
F
B
B
U
R
V
V
R
R
S
_
_
_
_
_
_
D
D
D
D
D
D
N
N
N
N
N
N
G
G
G
G
G
G
5
0
6
1
2
2
9
1
1
1
H
A
H
G
T
P
T
VCORE_1.25V
3
1
0
2
0
1
3
2
7
8
9
1
1
1
1
K
K
K
K
K
E
E
E
E
R
R
R
R
O
O
O
O
C
C
C
C
V
V
V
V
_
_
_
_
D
D
D
D
D
D
D
D
V
V
V
V
E
E
E
E
R
R
R
R
O
O
O
O
C
C
C
C
V
V
V
V
_
_
_
_
D
D
D
D
N
N
N
N
G
G
G
G
7
8
8
9
E
B
D
G
9
1
1
1
7
8
9
1
M
M
L
L
L
M
L
L
L
L
E
E
E
E
E
E
E
E
E
E
E
R
R
R
R
R
R
R
R
R
R
R
O
O
O
O
O
O
O
O
O
O
O
C
C
C
C
C
C
C
C
C
C
C
V
V
V
V
V
V
V
V
V
V
V
_
_
_
_
_
_
_
_
_
_
_
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
V
V
V
V
V
V
V
V
V
V
V
E
R
O
C
V
_
D
N
G
E
E
E
E
E
E
E
E
E
E
R
R
R
R
R
R
R
R
R
R
O
O
O
O
O
O
O
O
O
O
C
C
C
C
C
C
C
C
C
C
V
V
V
V
V
V
V
V
V
V
_
_
_
_
_
_
_
_
_
_
D
D
D
D
D
D
D
D
D
D
N
N
N
N
N
N
N
N
N
N
G
G
G
G
G
G
G
G
G
G
0
1
0
2
8
9
7
8
9
7
8
1
1
1
1
J
J
H
H
H
G
G
H
H
H
G
VBAT_GND
VSIM1_3.0V
VGPIO_2.8V
3
0
1
M
E
R
O
C
V
_
D
D
V
E
R
O
C
V
_
D
N
G
9
J
1
3
1
2
5
5
V
1
1
1
5
5
5
1
5
1
5
J
R
P
N
K
D
B
M
M
M
E
E
2
M
M
M
O
O
O
O
I
R
I
I
R
I
C
R
O
E
E
I
V
V
V
V
O
O
C
V
_
D
D
V
E
R
O
C
V
_
D
N
G
E
N
M
M
V
_
_
_
_
C
P
_
V
V
D
D
D
D
V
V
_
_
D
D
D
D
D
_
_
D
D
D
V
V
V
V
D
D
D
D
V
D
D
V
V
V
V
E
E
E
E
E
E
E
E
E
R
R
R
R
R
R
R
R
R
O
O
O
O
O
O
O
O
O
O
C
C
C
C
C
C
C
C
C
D
L
V
V
V
V
V
V
V
V
V
_
_
_
_
_
_
_
_
_
_
U
D
D
D
D
D
D
D
D
D
N
N
N
N
N
N
N
N
N
M
G
P
G
G
G
G
G
G
G
G
0
0
1
2
3
5
8
7
9
5
1
1
1
1
1
L
N
N
N
M
J
J
J
J
N
C204
3
1
H
M
I
S
V
_
D
D
V
D11
NBE0
E12
NBE1
A12
NCS0
B12
NCS1
A11
NCS2
J15
FE_CTRL0
J16
FE_CTRL1
K15
FE_CTRL2
L15
FE_CTRL3
H16
PCM_DO
H15
PCM_DI
J19
PCM_CLK
J18
PCM_SYNC
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
C1
RFIP_N
B1
RFIP_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
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
1
NC
2
E
E
NC
R
R
M
O
O
I
C
S
C
N
P
V
V
V
D
D
_
_
_
_
_
D
D
D
B
B
N
N
N
S
S
G
G
U
G
U
3
1
3
1
2
1
1
1
1
1
R
G
N
N
N
KEY_LED_3.3V
C229
VSIM1_3.0VVRF_2.85V
VCORE_1.25V VMEM_1.8V
C205
C206
LB
UB
LCD_CS
NCSFLASH
NCSRAM
RX_SEL
BAND_SEL
PON_PAM
BT_PCM_DO
BT_PCM_DI
BT_PCM_CLK
BT_PCM_SYNC
VGPIO_2.8V
VANA_2.85V
VMEM_1.8V
VPERM_3.0V
VRF_2.85V
VSIM1_3.0V
ONKEY_2
ONKEY_1
BBSIM2_DATA
BBSIM2_CLK
BBSIM2_RST
ICHGN
ICHGP
DCSRX_N
DCSRX_P
EGSMRX_N
EGSMRX_P
DCS_TX
EGSM_TX
UART0_TXD
UART0_RXD
UART1_RXD
UART1_TXD
UART1_CTS
UART1_RTS
OSC200
1
SIM1_CLK
SIM1_DATA
SIM1_RST
BT_RST_N
AUX_DET
32K_DIGIT
VCM_OUT
L201
VCORE_1.25V
CHG_REG
CHG_SW
SYSRST
RSTON
TRST_N
RAMP
RTCK
TCK
TDI
TDO
TMS
VF
OEn
WEn
VGPIO_2.8V
VANA_2.85V
C208
C209
C207
34
2
VCHG_5V
C210
MD(0:15)
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)
A(17:24)
A(17)
A(18)
A(19)
A(20)
A(21)
A(22)
A(23)
TP201
NCSRAM
A(24)
TP202
LB
TP203
UB
C222
OSC201
4
3
2
1
VMEM_1.8V
0
4
7
3
1
E
H
D
G
C
C
C
R
R
R
Q
Q
C
C
C
C
C
V
C
TP200
V
V
G12
ADQ0RC
G11
ADQ1RC
F9
ADQ2RC
F8
ADQ3RC
G7
ADQ4RC
G6
ADQ5RC
F-RDYR|P-WAITNC
F5
ADQ6RC
F4
ADQ7RC
F11
ADQ8RC
F10
ADQ9RC
G9
ADQ10RC
G8
ADQ11RC
F7
ADQ12RC
F6
ADQ13RC
G4
ADQ14RC
G3
ADQ15RC
E4
A16RC
D11
A17RC
E10
A18RC
D10
A19RC
E5
A20RC
D4
A21RC
D12
A22RC
E7
A23R
H8
CREC
UME200
H7
CSNC
C7
LBNC
C8
UBNC
C
C
R
R
C
R
Q
Q
S
S
S
S
S
S
V
V
V
2
5
5
3
1
F
D
G
E
BTC200
1
1
2
2
3
3
4
NC
5
NC
6
NC
7
NC
VMEM_1.8V
9
C215
C214
D
C
R
R
P
C
P
V
C
V
D6
CLKRC
E11
CENR
D3
E8
RSTNR
E9
WPNR
E6
ADVNRC
D8
WENRC
F12
OENRC
A1
NC
A14
NC
C3
NC
C4
DNU
C11
A24R
C12
NC
H3
NC
H11
DNU
H12
NC
K1
NC
K14
NC
1
NC
2
NC
C
R
S
S
V
R201
C217
C219
C218
C216
A(14)
NCSFLASH
A(13)
SYSRST
A(15)
WEn
OEn
C221
C220
VBAT
VF
VBAT_GND
1
0
C231
C230
C232
2
D
Z
VCHG_5V
C234
C233
TR201
1
8
S1
D1
2
7
G1
CHG_REG
ICHGP
CHG_SW
ICHGN
VGPIO_2.8V
JTAG201
1
V_JTAG
2
TMS
RTCK
TRST_N
TDI
TCK
TDO
RSTON
TMS
3
RTCK
4
TRST_N
5
TDI
6
TCK
7
TDO
8
PON_RESET_N
9
GND
D1
S2
6
3
D2
4G2
5
D2
VBAT
R206
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