Usb Circuit - Panasonic SA-AKX10PH Service Manual

18.5. USB Circuit

1 2 3
SCHEMATIC DIAGRAM - 8
A
G USB CIRCUIT
: +B SIGNAL LINE
B
32 31 30 29 28
33 P75/D7
34 P81/D8
35 P82/D9
C
36 P83/D10
37
P84/D11
C911
0.1
38
VDD33
39 P85/D12
40 VSS
41 P86/D13
D C912
0.1
42
VDDI
43 P87/D14
R906
0
44 P40/D15
45 P77/NRE
DGND
46 I2C_CLK/WR_END
47 I2C_REQ/WR_START
E
48 I2C_DATA/ERROR
49 50 51 52 53
F
DGND
G
H
1 2 3
4 5 6
: USB SIGNAL LINE
R972 1K
R971 1K
C914
0.1
27 26 25 24 23 22 21 20 19 18 17
DGND
R902
1K
MMOD1 16
MMOD0 15
NRST 14
VSS 13
R901
1K
12
OSCO
X900
H0A120500009
11
OSCI
VDDI 10
IC900 9
VDD33
MNZSFB5KJM2
CD_NRST 8
USB CONTROLLER
7
AVDD
USBD+ 6
VSS 5
USBD- 4
USBNPP 3
USBNOC
2
PD6/IRQ3 1
54 55 56 57 58 59 60 61 62 63 64
4 5 6
7 8 9
R950
0
R957
2.2K
R904
0
C908 22P
C907 18P
DGND
R914
0
L900
G1C100K00019
DGND
DGND
R907
0
R903
R958
100K 0
DGND
7 8 9
88
10 11 12
DGND
P903
LB952
5
0
G
1 VBUS
R952 24
2 D-
USB PORT
R953 24
3 D+
VSS
4
G
LB951
0 6
DGND
P901
1 D5V
2 DGND
3 I2C_CLK
4 VERR
I2C_REQ
5
I2C_DATA
6
7 DGND
8 CD_CLK
9 DGND B
TO
10 CD_STAT
MAIN CIRCUIT
11 CD_DATA
(CN2704)
12 DGND
IN SCHEMATIC
13 STCLK
DIAGRAM - 3
14 TERR
15 STREQ
16 STIN
CD_MLD
17
CD_NRST
18
19 M_NRST
DGND
20
21 D3.3V
22 MMOD
SA-AKX10PH/PN USB
LB852
0
DGND
10 11 12
13 14
A
B
C
D
E
F
G
CIRCUIT
H
13 14