Samsung GT-E2232 Service Manual page 68

1
SAMSUNG PROPRIETARY
Service Schematics
THIS DOCUMENT CONTAINS CONFIDENTIAL
PROPRIETARY INFORMATION THAT IS
SAMSUNG ELECTRONICS COS PROPERTY.
DO NOT DISCROSE TO OR DUPLICATE FOR OTHERS
A
EXCEPT AS AUTHORIZED BY SAMSUNG.
VRTC_2.3V
B
U300
1 C1 6
E1
ONKEY
2 B1 5
B2
JIG_ON
3 C2 4
E2
R302
C
Q302
2
KEY_COL(3)
R305
ONKEY_N
1
1005
KEY_ROW(4)
3
D
VBAT
E
MOT_EN
C302
R309
F
1
2 3
Q300
1 6
CS
2 5
C S B
3 4
ONKEY_N
PARALLEL FROM R310
VBAT
R304
V_MAIN_KEY_3.3V
VMOT_3.3V
U304
1 VOUT1 6
VIN
2
5
GND VOUT2
3
4
EN2 EN_MAIN_KEY
EN1
GND
7
C303 C304
R310
2 3
4 5
VBUS_5V_OUT
VUSB_5.0V_IN
V S H N T
VDDCHG
R300
C300
R301
3
1
4
2
5 Q301
6
R306
VCHG
R307
VBAT
U303
4
1
VIN VOUT
2
3
TORCH_EN
EN GND
R312
C305
4 5
6
VBUS_5V_OUT
U301
1 8
VIN VOUT
1005
R303
2 7
GND ILIM
3 6
NC VB
4 5 C301
_WRN _EN
EN_CAM_PWR
C306
6
7 8
VCAM_1.8V
VCAM_A_2.8V
VBAT
U302
1
VOUT1 6
VIN
2 GND
5
VOUT2
3
4
EN2
EN1
GND
7
R311
C307
C308 C309
7 8
A
B
C
D
E
F