I) Usb Circuit - Panasonic SA-AK450PL Service Manual

SA-AK450PL

19.8. (I) USB Circuit

1 2 3
SCHEMATIC DIAGRAM - 12
A
USB CIRCUIT
B
32 31
33 P75/D7
C
34 P81/D8
35 P82/D9
36 P83/D10
37 P84/D11
C911
0.1
38 VDD33
39 P85/D12
D
40 VSS
41 P86/D13
C912
0.1
D1.8V
42 VDDI
43 P87/D14
DGND
R906
0
44 P40/D15
45 P77/NRE
E
46 I2C_CLK/WR_END
47 I2C_REQ/WR_START
48 I2C_DATA/ERROR
49 50
D3.3V
C913
0.1
F
DGND
G
H
1 2 3
4 5 6
: + B SIGNAL LINE : USB SIGNAL LINE
R972 1K
R971 1K
C914 0.1
30 29 28 27 26 25 24 23 22 21 20 19 18 17
MMOD1 16
MMOD0 15
NRST 14
VSS 13
OSCO 12
OSCI 11
VDDI 10
IC900
VDD33 9
MNZSFB5KJM1
USB CONTROLLER IC
CD_NRST 8
AVDD 7
USBD+ 6
VSS 5
USBD- 4
USBNPP 3
USBNOC 2
PD6/IRQ3 1
51 52 53 54 55 56 57 58 59 60 61 62 63 64
C903
0.1
D1.8V
4 5 6
7 8 9
D5V
C931
16V10
D3.3V
R951
R950
22K
DGND
R957
2.2K
R902 1K
R903 0
NRST
R904 0
R901 1K C908 22P
X900
H0D120500009
C907 18P
D1.8V
DGND
R914
0
L900
G1C100K00019
C904 C902 DGND
16V10 0.1
DGND
LB930
J0JHC0000045
J0JAC0000021 LB932
J0JAC0000021 LB933
J0JAC0000021 LB934
J0JAC0000021 LB935
J0JAC0000021 LB936
J0JAC0000021 LB938
J0JAC0000021 LB840
J0JAC0000021 LB841
J0JAC0000021 LB843
J0JAC0000021 LB845
J0JAC0000021 LB846
J0JAC0000021 LB848
J0JHC0000045 LB850
LB852
DGND
J0JHC0000045
7 8 9
76
10 11 12
IC951
C0DBZYE00002
VOLTAGE REGULATOR
1 GND OUT 8
2 VDD OUT 7
3 VDD 6
OUT
0
4 CTRL FLAG 5
C951
0.1
DGND
P903
LB952 USB CONNECTOR
J0JHC0000045 CKA1
VBUS
5
1 VBUS
G
CKA2
D-
R952 24
2 D-
CKA3
D+ R953 24
3 D+
G
4 VSS
LB951
J0JHC0000045 CKA4
6
DGND
1 D5V
2 DGND
3 I2C_CLK
4 VERR
5 I2C_REQ
6 I2C_DATA
7 DGND
8 CD_CLK
9 DGND
TO
10 CD_STAT
MAIN CIRCUIT
11 CD_DATA
(CN3200) IN
12 DGND
SCHEMATIC
13 STCLK
DIAGRAM-4
14 TERR
15 STREQ
16 STIN
17 CD_MLD
18 CD_NRST
19 M_NRST
20 DGND
21 D3.3V
22 MMOD
P901
SA-AK450PL USB CIRCUIT
10 11 12
13 14
A
B
C
D
E
F
G
H
13 14