Service manual

Schematic Diagrams
B - 22
Schematic Diags
USB Port & RTC
Sheet 21 of 42
USB Port & RTC
USBVCC0
USBVCC2
USBVCC3 USBVCC1
VCC5
USBVCC0
USBVCC1
VCC5
USBVCC3
USBVCC2
USBVCC2
USBVCC0
USBVCC3
USBVCC1
VBAT
VDD3
OC2#
OC3# OC1#
OC0#
RTC_RST#
L82
FBM3216HS800
L33 FBM3216HS800
C48
0.1U
R434
560K
R435 470K
R80
560K
R79 470K
U3
RT9701CBL
1
2
3
4
5
VOUT
GND
VIN
VIN
VOUT
C459
10U/10V(0805)
R411 470K
R412
560K
C470
0.1U
C53
0.1U
C34
4.7U(0805)
C24
10U/10V(0805)
C66
10U/10V(0805)
U31
RT9701CBL
1
2
3
4
5
VOUT
GND
VIN
VIN
VOUT
C473
4.7U(0805)
C33
4.7U(0805)
C493
0.1U
C67
4.7U(0805)
C65
0.1U
C492
10U/10V(0805)
D13
F1AJ3
AC
C471
0.1U
D31 F1AJ3
A C
CN9
USB-PLUG
5
6
7
8
1
2
3
4
9 10 11 12
V+_OUT1
DATA_L1
DATA_H1
GND
V+_OUT2
DATA_L2
DATA_H2
GND
GND GND GND GND
R71
15K
R72
15K
L81
PLW3216S161SQ2
34
21
L80
PLW3216S161SQ2
34
21
C49
47P(R)
C50
47P(R)
R69
15K
R70
15K
D12
F1AJ3
AC
L32 FBM3216HS800
C52
47P(R)
C51
47P(R)
R68
15K
R66
15K
C46
47P(R)
C43
0.1U
C45
47P(R)
R65
15K
L83
PLW3216S161SQ2
34
21
C47
47P(R)
R57
560K
R67
15K
L84
PLW3216S161SQ2
34
21
C44
47P(R)
L85
FBM3216HS800
C472
0.1U
CN10
USB-PLUG
5
6
7
8
1
2
3
4
9 10 11 12
V+_OUT1
DATA_L1
DATA_H1
GND
V+_OUT2
DATA_L2
DATA_H2
GND
GND GND GND GND
R58 470K
R350
180K
C406
1U
D32
F1AJ3
A C
JBAT1
CON2
1
2
1
2
R349
1K
C407
0.1U
D52 F01J2E
A C
D20 F01J2E
A C
OC2#[20]
OC3#[20] OC1#[20]
OC0#[20]
USBP0+[20]
USBP0-[20]
USBP1+[20]
USBP2+[20]
USBP2-[20]
USBP3+[20]
USBP3-[20]
USBP1-[20]
RTC_RST# [19]
Close to USB-PLUG
RTC Circuitry
Close to USB-PLUG
PLACE NEAR USB
CONNECTOR