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SAMSUNG PROPRIETARY
THIS DOCUMENT CONTAINS CONFIDENTIAL
PROPRIETARY INFORMATION THAT IS
SAMSUNG ELECTRONICS COS PROPERTY.
DO NOT DISCROSE TO OR DUPLICATE FOR OTHERS
EXCEPT AS AUTHORIZED BY SAMSUNG.
VDD_IO_HIGH_S_2.9V
C903
AVDD_S_2.6V
C909
VDD_USB_S_3.3V
C916
VDD_PLL_S_1.2V
C917
1
32KHz_DIGIT
OSCI
TP900
2
OSCO
3
PMU_INT_S
_IRQ
4
SIMCKHC
5
_SIMRSHC
R904
6
PNX_SIMOFFn_S
SIMIOHC|_SIMOFF
7
PNX_RSTON_S
_RSTHC
8
GPO3
D901
9
GPO2
10
GPO1
11
REF_ON_S
PWREN1
12
PWREN2
13
VSS
57
VSS
CLK32K_DIGIT_S
VBAT
_3.8V
C935
USB POWER
VBAT
_3.8V
TA900
C901
C902
C908
C911
C915
39
VSS
38
VCHG
37
USBVIN
36
CHGCUR
VBAT
_3.8V
35
_REC2
34
UPL900
_REC1
33
VBATSENSE
32
C924
VISA
C925
31
REFGND
C926
30
REFC
29
MICBIAS
28
R906
_ONKEY
27
NTC
VDD_IO_LOW_S_1.8V
R908
R909
SCL_S
SDA_S
L903
VDD_GSM_CORE_S_1.2V
C934
D902
Changed by
Date Changed
gsm
Tuesday, March 20, 2007
VDD_IO_LOW_S_1.8V
SIM_VCC_2
_3.0V
AVDD_HFA_S_2.6V
R902
SIM_IO_2
SIMVCC_S
_3.0V
SIM_RST_2
SIM_CLK_2
VDD_RX_TX_S_2.8V
C913
C900
VCC_SYN_S_2.8V
SIM2
[SLAVE]
VBAT
_3.8V
R905
Q900
1 S1
6
D1
2 G1
5
G2
3
4
D2
S2
SLAVEON
R907
VDD_IO_HIGH_2.9V
2.9V
VDD_IO_LOW_1.8V
1.8V
VDD_VIB_3.3V
3.3V
VDD_SLEEP_2.9V
2.9V
AVDD_2.6V
2.6V
AVDD_HFA_2.6V
2.6V
VDD_RX_TX_2.8V
2.8V
VCC_SYN_2.8V
2.8V
VDD_GSM_CORE_1.2V
1.2V
VDD_PLL_1.2V
1.2V
SIM_VCC_3.0V
3.0V
Time
QA CHK
REV
9:15:13 pm
SIM900
1
6
2
5
3
4
7
12
12
7
8
8
11 11
9
9
10
10
G
G
G
G
16
15
14
13
Drawing Number
9
Sheet
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