Roland RS-70 Service Notes page 35

fig.CircuitMain5
USB I/F
JK7
YKF45-0020
D
L66 L67
EXCML16A@ EXCML16A@
27UH 27UH
R162
C282
[NIU] R164
+ 5
D
R168
R169
+ 5
D
1.5K R170
R171
SSM3J02T
XPULLUP Q19
1
100K
R173
[NIU]
C287 C288
0.1 RA2-V@M
2.2/50
D D
+ 5
D
L65 R159
20
N2012Z601T02 100K Q18
1
2SC3052
VBUS
F
C271 R160
[NIU]
1M R161
D D
100K
27 USB-D-
D
27 USB-D+
UIPCAVSS
UIPCP85 UIPCP85
10K
UIPCP81 UIPCP81
10K
USB-D+
USB-D-
EXTCAP EXTCAP
UOBF1
XUSBS1
D7
D6
D5
D4
D3
D2
D1
D0
XWR5V
XRD5V
A0
XUSBS0
UIBF0
XRST5V
R178 0
C304
0.1
+ 5
D
L68
0
UIPCAVSS
C280 0.1
C285
D
680P
C286
9
0.1(K)
CNVSS/VPP
R166
1K
18
LPF
25
P87/RTS1
26
P86/CTS1
27
P85/URXD1
28
P84/UTXD1
29
P83/RTS2/STXD
30
P82/CTS2/SRXD
31
P81/URXD2SCLK
32
P80/UTXD2/SRDY
70
USB-D+
71
USB-D-
72
EXTCAP
65
P74/OBF1
66
P73/IBF1/HLDA
67
P72/S1
75
P67/DQ7
76
P66/DQ6
77
P65/DQ5
78
P64/DQ4
79
P63/DQ3
80
P62/DQ2
1
P61/DQ1
2
P60/DQ0
3
P57/W/(R/W)
4
P56/R(E)
5
P55/A0
6
P54/S0
7
P53/IBF0
8
P52/OBF0
20
P44/CNTR1
21
P43/CNTR0
XUIPCRST
10
RESET
14
XIN
R179
330
1 4 15
XOUT
24.000MHZ
12
P50/XCIN
X4 C306
D
C305
11
P51/TOUT/XCOUT
15P
15P
D D
UIPCAVSS
L80
0
D
+ 5
D
C270
RV2-V@M-R
10/16
+ 5
D
D
C273 0.1
C281 0.1
D
41
P17/AB15
42
P16/AB14
43
P15/AB13
44
P14/AB12
45
P13/AB11
46
P12/AB10
47
P11/AB9
48
P10/AB8
49
P07/AB7
50
P06/AB6
51
P05/AB5
52
P04/AB4
53
P03/AB3
54
P02/AB2
55
P01/AB1
56
P00/AB0
57
P27/DB7
58
P26/DB6
59
P25/DB5
60
P24/DB4
61
P23/DB3
62
P22/DB2
UIPCP21 UIPCP21
63
P21/DB1
64
P20/DB0
33
P37/RD
34
P36/WR
35
P35/SYNCOUT
36
P34/FAIOUT
37
P33/DMAOUT
38
P32
39
P31
40
P30/RDY
68
P71/HOLD
69
P70/SOF
XPULLUP XPULLUP
22
P42/INT1
VBUS
23
P41/INT0
24
P40/EDMA
IC40 M37641M8-FP@
D
RS-70
R175
10K
D
+ 5
D
R180 10K
41