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SAMSUNG PROPRIETARY
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.
GT-E1225F Service Schematics
V_BATT
C118
C119
BAND_SEL
RX_SEL
PON_PAM
RAMP
R111
EGSM_TX
R112
DCS_TX
R113
R114
ANT
GSM Rx
DCS Rx
GSM Tx
DCS Tx
POWER ON
RFS100
C
A
G G
1
2
3
4
C113
L106
L107
C131
C114
C130
L109
C115
L110
C117
C129
C120
F100
L111
GND
22
1 IN1
OUT1 8
VBATT
RX1
11
17
C121
9
RX0
OUT1
18
4
OUT2 6
GPCTRL1
IN2
10
7
GPCTRL0
NC
OUT2
C123
9
19
C122
GND
13
TX_EN
NC
8
PAM100
12
GND
6
L112
VRAMP
GND
7
5
GND
3
GND
GND
C124
24
1
GND
23
GND
21
C126
L113
C127
RF Part
VGPIO_2.8V
ANT100
U100
1
VCC
CURRENT-AD
C104
2 BIAS-OUT
L101
3
RF-IN
C106
220nH
R106
C110
C132
ZD100
DCSRX_N
V_BATT
DCSRX_P
EGSMRX_N
LED_A
EGSMRX_P
LCD BACKLIGHT
FM_ANT
VGPIO_2.8V
R100
R101
R103
6
5
FM_LNA_EN
U101
CTRL-SW
C105
1
6
RF-OUT
4
RF2
CTRL
FM_LNA_EN
2
RFIN 5
FM_RST
GND
3
RF1
VDD
4
C109
R115
FM_RADIO
U103
1
6
LCD_BL_EN
EN
D1
LED_K1
2
5
GND
RSET
3
4
IN
D2
LED_K2
R110
R117
C125
C128
MAIN
1
V_BATT
V_BATT
2 VBUS
3
GND
4
D+
5
JIG_ON
CHARGE_OK
6 D-
7
UART1_RD_J
RXD
UART1_CTS
8 CTS
9 TXD
UART1_TD_J
10 RTS
UART1_RTS
11
JIG_REC
JIG_REG
12 ANT
JTAG_BD
VGPIO_2.8V
VGPIO_2.8V
R102
FM_INT
R104
C102
1
12
C103
R105
NC
ROUT
2
1
1
FMI
GND
U104
L102
3
10
RFGND
VD
4
9
_RST
RCLK
32KHz_DIGIT
R107
R108
C111
C112
FM_SCL
FM_SDA
V_BATT
MOT100
1
1
2
2
R109
3
1
TR100
VIB_EN
2
VIBRATOR
TP100
TRST_N
TP101
TDO
TP102
TDI
TP103
TMS
TP104
TCK
TP105
RSTON
TP106
RTCK
FM_L
FM_R
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