Service manual

Schematic Diagrams
B - 18 USB PORT & USB CHARGER
B.Schematic Diagrams
USB PORT & USB CHARGER
d03
+
C264
560u_2.5V_6. 6*6.6*5.9
D03
USB_ AC_ IN
FUNCTION
L
MODEL
H
Discharge
AC/DC
Battery
Charge
TI 25 40_EN
USB_PN2_R
U S B_ PP 2 _RUSB _ PP2
M_PQFP16
To South Bridge OC Pin.
CTL1 CT L2 C TL3: 0 X 1- -- --> De dic ate d Ch arging Pot , Au to-de te ct
CTL1 CT L2 C TL3: 1 1 1--- -- > Ch argi ng Dow nst rea m P ort , BC Sp e cifi cation 1. 1
CTL1 CT L2 C TL3: 1 0 1--- -- > Ded ica te d Ch arg ing Po t, Div ide r M od e o nly
CTL1 CT L2 C TL3: X 1 0- -- --> Standard Dow nst rea m Port , USB 2.0 Mo de
US B_PP2_R
US B_PN2_R
TI2540_ILIM0
TI2540_ILIM1
U15 & AU2 ? ? ? ? ?
USB _ PN 2
G_OC#01
USB Charge PORT
60 mil
100 MIL
1 00 MIL
80 m i ls80m ils
80 m il s
80mils
Port 2
PN: 6 -21 -B49 50- 104 C1 07B3-104 03- Y PN: 6- 21 -B49 A0-1 04 US04036BCA074
USB_PP2_R
USB_PN2_R
C265
10u_ 10V_Y 5V_08
R130 *0_04
C272
*0.1u_16V_Y 5V_04
R249 24K_1%_04
C271
10u_10V_Y 5V_0 8
R257 10K _04
R245
* 10K_04
R253 10K _04
R246 *0_04
C143
*0.1u_16V_Y5V _04
C266
*22u_10V_Y5V_08
R256 10K _04
C109
0.1u _16V_Y 5V_04
USB PORT_2
C94
0.1u_16V_Y5V_04
R251 10K _04
C106
* 0.1u_16V _ Y5 V_04
R112
*10 K _04
C108
*0.1u_16V_Y5V _04
.
L25
*0_06
R255
*100K _04
R248 * 10K_04
J_USB1
US04036BCA074
V+
1
shi el d
GND1
DATA_L
2
DATA_H
3
GND
4
shield
GND2
shield
GND3
shield
GND4
R254
*100K _04
C267
*10u_10V_Y 5V_ 08
U7
RT9715BGS
VO UT1
6
VO UT3
8
VIN2
3
VIN1
2
VO UT2
7
GND
1
EN#
4
FLG#
5
R252
*100K_04
R127 *0_04
R247
10K _04
U14
TPS2540
CTL1
6
NC
9
DM_I N
11
DM_O
2
DP_IN
10
IN
1
EN / DSC
5
DP_O
3
ILIM_S EL
4
CTL2
7
CTL3
8
OUT
12
FA ULT#
13
GND
14
ILIM1
15
ILIM0
16
PPAD
17
USBCHG
3.3V
USBVCC
5V
USBCHG
VDD5
VD D5
USBV CC
5V
VDD5
3.3V
VDD5
US BVC C
VDD5 USB_OC#0_1_2 8
DD_ON#21
DD_ON15, 21,23
USB _ PN 28
3.3V2,8, 10,11, 12,13,1 5,19,20 ,21, 22
USB _ PP28
5V1 1,19,20 ,21, 22
VDD310,13,1 5,16, 18,21, 23
USB_PN_2
U SB _ PP_ 2
d03
d03
L48
*WCM2012F2S-161T03
1
4
2
3
0323
TI 25 40_CTL1
TI 25 40_CTL2
TI 25 40_CTL3
R242 *10mil_short
R243 *10mil_short
D02
D0 3
?????????
R274 *10K_04
TI2540_OC#01
VDD5
R275 *10K_04
Sheet 17 of 29
USB PORT & USB
CHARGER