G
R319
C303
BACK
1
2
DIGIT308
1
2
LED303
L302
2B1
6
GND
4
S1
8
S2
1
VCC
V_BATT
U302
3
1A
1B0
5
2
1B1
9
2A
2B0
7
10
2
C313
TAC302
3
4
5 6 7
1
NC 21
22
NC
23
NC
NC 24
25
NC
NC 26
NC 27
20
3
3
4
4
5
5
6
6
7
7
8
8
9
9
13
14
14
15 15
16
16
17 17
18
18
19 19
2
2
20
IFC300
1
1
10
10
11
11
12
12
13
VGPIO_2.8V
R307
C301
R309
BOTHHOLE302
C331
BOTHHOLE303
MENU
1
2
R322
ZD302
R303
1
2
ZD301
C322
DIGIT303
UP
1
2
C302
ZD303
1
2
3
4
5
6
ZD309
C323
L304
C304
C328
3
4
5
6
C321
R310
ZD307
1
2
L301
ZD305
C309
ZD304
LED300
SHARP
1
2
3
EN
GND
2
5
G
ND
VIN
4
1
VOUT
U301
R306
L308
BOTHHOLE301
R302
VMEM_1.8V
L305
C319
R311
LED301
C310
L314
L315
ZD300
MIC_BIAS
R312
KEY_LED_3.3V
1
2
STAR
R305
L303
VCHG_5V
C312
LED302
3
4
5 6 7
1
2
2
DIGIT302
1
2
TAC301
RIGHT
1
DIGIT301
1
2
C305
1
2
C300
DIGIT306
C320
ZD311
C317
1
2
L309
DIGIT309
C308
C329
L300
C325
C324
1
2
V_BATT
END
R320
C311
R313
ZD310
C318
SEND
1
2
R300
1
2
TA301
INT
1
2
DIGIT305
L306
V_BATT
1
2
V_BATT
LEFT
1
2
DOWN
C315
R323
ZD306
R301
R314
R317
2
ZD308
DIGIT300
1
R318
DIGIT307
1
2
C327
C326
C314
L307
R308
R321
DIGIT304
1
2
R304
6
8
18
7
28
5
3
30
29
14
15
16
17
19
1
32
2
31
23
24
25
26
27
11
12
13
4
9
10
20
21
22
SPK301
LCD300
MIC300
SPK300
1
1
2
2
R315
R316
LED304
A(20)
MD(7)
MD(6)
MD(5)
MD(3)
MD(4)
LCD_CS
LCD_BL(2)
LCD_BL(1)
KEYOUT(3)
JIG_ON
TORCH_EN
KEYIO(1)
LCD_BL(3)
MD(2)
MD(1)
MD(0)
OEn
WEn
LCD_RESET
KEYOUT(3)
KEYIO(2)
KEYOUT(0)
KEYIN(0)
RCV_N
A
UDI
O_SW
RCV_P
SPK-
SPK+
RCV-
RCV+
RCV-
RCV+
KEYOUT(2)
KEYOUT(1)
KEYIN(1)
KEYIN(2)
KEYIO(0)
KEYIO(2)
ONKEY_2
ONKEY_1
KEYIO(2)
KEYOUT(2)
MIC_P
MIC_N
SPK-
SPK+
UART1_TD_J
EAR_N
EAR_SW
EAR_MIC_N
EAR_MIC_P
EAR_SW_REF
UART1_RD
AUX_DET
EAR_P
VCM_OUT
EAR_ANT
UART1_TD
UART1_RD_J
UART0_TD
UART0_RD
SAMSUNG PROPRIETARY
THIS DOCUM
E NT CONTAINS
C ONFIDE NTI AL
PROPRIETARY I NFORMATION THAT I S
SAMSUNG EL
E CTRONICS CO
’
S
PR OPERTY.
DO NOT DISCLOS E TO OR DU
P
LIC ATE FO R O THERS
EXCEPT AS AUTHORIZED BY SAM
S
UNG.
Service schematics