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SAMSUNG PROPRIETARY
THIS DOCUMENT CONTAINS CONFIDENTIAL
PROPRIETARY INFORMATION THAT IS
SAMSUNG ELECTRONICS CO'S PROPERTY.
GT-E1225F Service Schematics
DO NOT DISCLOSE TO OR DUPLICATE FOR OTHERS
EXCEPT AS AUTHORIZED BY SAMSUNG.
V_BATT
VCHG_5V
IFC300
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
R302
10
11
R303
11
12
R304
12
13 13
14 14
15
15
16 16
R306
17
17
R307
18 18
19
19
20 20
NC
21
UART1_RD_J
NC 22
UART1_TD_J
NC 23
24
NC
NC 25
26
TA300
NC
27
NC
Digital External Interface- UART
ONKEY_2
POWER KEY
KEYIO(0)
KEYIO(1)
KEYIN(2)
KEYIN(1)
KEYIN(0)
KEYOUT(0)
KEYOUT(1)
KEYOUT(2)
KEYOUT(3)
KEYIO(2)
ZD303
G
C317
FM_ANT
ZD300
L300
C300
L301
R301
L302
END
1
2
ONKEY_1
SEND
LEFT
1
2
1
2
DIGIT300
DIGIT301
DIGIT302
SOFT300
DOWN
1
2
1
2
1
2
1
2
1
2
DIGIT303
DIGIT304
DIGIT305
SOFT301
INT
1
2
1
2
1
2
1
2
1
2
DIGIT306
DIGIT307
DIGIT308
UP
1
2
1
2
1
2
1
2
STAR
DIGIT309
SHARP
RIGHT
1
2
1
2
1
2
1
2
KEY MAP
EAR_SW
EAR_SW_REF
R300
C301
EAR_MIC_P
C302
C303
EAR_MIC_N
AUX_DET
UART1_TD
R305
UART1_RD
C304
C305
JIG_ON
UART0_TD
UART0_RD
L303
R308
EAR_P
L304
VCM_OUT
L305
EAR_N
R309
C316
3PI_R
3PI_L
TAC300
1
2
KEYIO(1)
3
4
5
6 7
TORCH_DIODE
TORCH HOT KEY
KEY_LED_3.3V
R313
R310
R311
LED300
LED301
LED302
KEY LED
KEYOUT(3)
V_BATT
TORCH_EN
C312
R312
LED303
TORCH DRIVER
VGPIO_2.8V
VMEM_1.8V
1
1
2
2
3
3
4
4
5 5
LCD_RST
6
6
7 7
8
8
9
9
10
10
11
11
12
12
LED_A
13
13
LED_K1
14
14
LED_K2
15
15
16
16
17
17
MD(7)
18
18
MD(6)
19
19
MD(5)
20
20
MD(4)
21
21
MD(3)
22
22
MD(2)
23
23
MD(1)
24
24
MD(0)
25
25
26
26
WEn
27
27
A(20)
28
28
LCD_CS
29
29
OEn
30
30
31
31
32
32
33
NC
34
NC
C307
C308
C315
C314
LCD_PAD
LCD CONNECTOR
U300
4
1
VIN
VOUT
3
2
EN
GND
R314
C313
LED304
ZD302
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