Roland Edirol StudioCanvas SD-80 - Circuit Diagram (Main Board 1;7)

May.2002 SD-80
CIRCUIT DIAGRAM (MAIN BOARD 1/7)
fig.mb-sch1
from P OW ER
ASSY
POWER BLOCK
MAIN BOARD BLOCK DIAGRAM
NOTE : "NIU" means "Not In Use."
CPU Block
LEVEL CONVERT
Block
USB Block
TONE GENERATOR #0
Block
TONE GENERATOR #1
Block
AUDIO Block
INTER FACE Block
CPU
1_CPU
12MHZ
3XRSTCP U3XRST
3D[0..15]
3A[1..8]
3A24
3OBF
3IBF
3XINTV0
3XINTV1
3XWRLU
3XRD
3XCSIPC
3XCSTG
3XRSTDAC
3XRSTTG
3AMUTE
3TXD1
3XENC A
3TXD2
3XENC B
3RXD2
3RXD1
CONTRAST
3XWAIT
3XENC SW
LEVCNV
2_LEVCNV
XS0
XCSV1
OBF
XINTV1
XRD
XCSV0
XWAIT
A[1..8]
XWR
IBF
XINTV0
XS1
D[0..15]
3XRST
3XRD
3XCSIPC
3XCST G
3XWRLU
3A[1..8]
3D[0..15]
3XINTV0
3XWAIT
3IBF
3OBF
3XINTV1
3A24
XRSTCPU3XRSTCPU
XRST
3RSTDAC
3RSTTG
3AMUTE
XRSTTG
AMUTE
XRSTDAC
XENDIT
USB
4_USB
XRST
USBDP
USBDN
12MHZ
XS0
XS1
A[1..8]
D[0..15]
XRSTCPU
XRD
XWR
IBF
OBF
VBUS
TG1
6_TG1
XRD
XWR
XCSV1
XINTV1
XRSTTG
SYNC
XWAIT
D[0..15]
A[1..8]
384FS
XWCS0
XWOE
WD[0..15]
WA[0..23]
XWBACK
XWBREQ
3XWCS R0
3XWCS R1
3XWOE
3WA[0..22]
3WD[0..15]
V0V1SCK
V1V0SCK
V1V0SD[0..5]
V0V1SD[0..5]
INTER FACE
3_INTER FACE
XSW[0..3]
LED[0..2]
SCAN[0..2]
3RXD1
3TXD1
3TXD2
3RXD2
CONTRAST
USBDN
USBDP
3XENC A
3XENC B
DOUT
VBUS
LP[0..7]
LE
RS
3XENC SW
AUDIO
7_AUDIO
BCK
XLRCK1
OUT1
OUT2
LRCK2
OUT3
DOUT
XENDIT
AMUTE
256FS
XRSTDAC
TG0
5_TG0
XINTV0
XRD
OUT1
XCSV0
XRSTTG
D[0..15]
XWR
XWAIT
A[1..8]
RS
XLRCK1
OUT2
OUT3
256FS
BCK
384FS
V1V0SCK
V0V1SCK
V0V1SD[0..5]
V1V0SD[0..5]
XWCS0
XWOE
WA[0..23]
WD[0..15]
3XWCS R0
3XWCS R1
3XWOE
3WA[0..22]
3WD[0..15]
XWBREQ
XWBACK
SYNC
LP[0..7]
LRCK2
LE
SCAN[0..2]
LED[0..2]
XSW[0..3]
3D[0..15]
3A[1..8]
3XRST
WA[0..23]
V1V0SD[0..5]
XSW[0..3]
SCAN[0..2]
LP[0..7]
V0V1SD[0..5]
A[1..8]
3WA[0..22]
D[0..15]
LED[0..2]
3WD[0..15]
WD[0..15]
+
D3.3
+
15
D
+
5D
D
D D
+
D3.3
A
-15
+
D.19
D
+
D.19
R1
1k
R2
1k
C3
0.1u
R5
1k
Q1
FW111
1
2
3
4
5
6
7
8
S1
G1
S2
G2
D2 D2 D1 D1
D1
R B051L-40
1 2
D2
R B051L-40
1 2
L2
47uH
L1
100uH
C6
330u/4V
OS-CON
R4
NIU
IC1
M62292FP
1
2
3
4
5
6 7
8
COUT1
GND
COUT2
VC
C
IN2
CD RESET
IN1
C2
NIU
R3
1k
(D)
CN1
B12B-PH-S M3-TB
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
6
7
8
9
10
11
12
R106
220
R107
220
R112
1W
680
C1
150u/6.3V
OS-CON
C7
150u/6.3V
OS-CON
TP1
1
2221