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Samsung GT-B7722i Service Manual page 23

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Level 3 Repair
V
B
A
T
_
3
8 .
V
1
L
2
0
6
1
2
L
2
0
0
2
3
L
2
0
1
3
4
4
5
5
6
S
1
7
S
2
8
N
C
9
N
C
1
0
C
2
1
7
N
C
1
1
N
C
1
2
N
C
1
3
N
C
F I
C
2
0
0
VDD_MEM_CARD_3.0V
VBAT_3.8V
VDD_IO_LOW_1.8V
VDD_LCD_3.0V
VCAM_2.8V_A
VCAM_2.8V_AF
VCAM_1.8V
VDD_IO_3.3V
VDD_ANALOG_LOW
C316
C317
C315
VDD_RF_DIG
VDD_IO_LOW_1.8V
VDD_CORE_2
VDD_GSM_CORE
RF3G_VDD_RF4
C328
C329
C330
C331
OSC300
ST3215SB32768E0HPWBB
2
C337
F
M
_
A
N
T
V
B
U
S
D
M
D
P
I J
G
_
D I
C
2
1
8
M
C I
R
O
U
C318
C320
C321
C322
C323
C319
J2
GPIO1
J3
GPIO2
BT_CLK_REQ
J6
GPIO3
H7
GPIO4
H6
DYN_VOLT_CTRL1
GPIO5
J5
DYN_VOLT_CTRL2
GPIO6
D2
GPO1
D3
GPO2
G2
DCD1FB
L300
G1
DCD1LX
F2
DCD2FB
L301
E1
DCD2LX
K3
DCD3FB
L302
K2
DCD3LX
H5
32KHZ_DIGIT
CLK32K
A4
OSCI
A3
OSCO
K4
REF_ON
PWREN1
VDD_IO_LOW_1.8V
J4
PWREN2
H4
3G_REF_ON
PWREN3
SIM_OFF
C8
USIM_ACT
B9
USIM_PRES
1
C338
MASTER PMU
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
R
2
0
0
V
B
U
S
_
D
E
T
E
C
T
R
2
0
1
V
B
U
S
1
7
V
1
8
D
M
D
1
9
D
P
D
2
0
J
G I
_
D I
D I
2
1
G
2
2
U
S
B
_
D I
_
J
T
A
G
N
C
2
1
9
2
3
N
U
2
0
0
S
B
VBAT_3.8V
C300
TA300
C306
A2
VCHG1
B2
VCHG2
B8
VHIGH
B6
VINT1
C324
B7
VINT2
C7
INT_N
C5
REC_N
D7
EXTON_N
C3
ONKEY_N
G3
U302
RSTHC_N
C4
ATBOUT
R304
C9
OTPVPP
B4
CCSET
C327
A6
REFC
B3
SCUSB
F8
SCL
C6
SDA
B5
VSAVE
E2
VPAD
H9
NC
J8
NC
J9
NC
1
NC
2
NC
8-14
V
_
E
X
T
_
C
H
G
_
5
V
V
B
A
T
_
3
8 .
V
C
2
0
2
B
U
S
A
U
1
0
M
I J
G
A
U
9
P
V
D
I D
O
8
B
O
O
T
T
P
_
U
S
B
T
P
_
T
X
D
1
7
N
D
T
X
D
C
C
T
P
_
R
X
D
1
C307
C308
C309
C310
C311
C312
C313
C314
V_EXT_CHG_5V
R303
C325
C326
INT_PMU
AUX_ON
TP305
KEY_POWER_ON
RSTON_PMU
VDD_IO_LOW_1.8V
USB_SUSPEND
SCL
SDA
BAT300
C336
V
D
D
I _
O
_
L
O
W
X
_
O
N
_
J
T
A
G
X
_
O
N
_
B
O
O
T
T
X
D
1
T
X
D
1
_
J
G I
R
X
D
1
R
X
D
1
_
J
G I
U
S
B
_
D
_ -
M
U
S
B
_
D
+
_
M
VDD_ANALOG_3G_2.6V
VDD_IO_HIGH_2.6V
VDD_ANALOG_HIGH_2.6V
MIC_BIAS_2.15V
RF2G_VDD_RF1
RF2G_VDD_RF2
RF3G_VDD_RF3
VDD_WIFI_2.6V
VCAM_CIF_CORE_1.8V
VDD_USB_3.3V
VBAT_3.8V
+SIMVCC_M_3.0V

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