Roland EXR-5 Service Note

Oct.2003
36
CIRCUIT DIAGRAM (MAIN 5/6 - FDC SECTION)
XINDEX
XINP
XINP
XINDEX
XINP
FDS3 XINDEX
XFDCRST
XINP
XWRL XFDC
XDACK1 XFDCINT
XDREQ1
XFDCDEND
XINDEX FDS0
XRDATA
XWDATA XRDATA XTRK0
XTRK0 XHSEL XRDATA
XTRK0
XWPRT
XWDATA
XHSEL XWGATE
XWGATE
XWPRT
XWPRT FDS0
XHSEL FDS0 XWPRT XTRK0 XWGATE FDS1 XWDATA XRDATA
XRD FDCCONT
FDS2
XREADY
XREADY
A1 A0
D4 D3 D1 D6 D0 D7 D5 D2
FDS2 FDS1 FDS3
XWGATE
XSTEP
XSTEP
XHDIR
XHDIR XHSEL XMON0
XHDIR
XSTEP
XWDATA
XSTEP
FDS0 XHDIR
XMON0
XREADY
XMON0
FDCCONT
XDACK1
XDREQ1
XFDCINT
XFDC XWRL
XRD
XFDCDEND
A[0..1]
D[0..7]
XFDCRST
5VD
5VD
5VD
D
D
D
D
D
5VD
D
TO FDD UNIT PC/AT
Address Bus A[0..1] Dat a Bus D[0..7]
IC8 HD63266-FP-64A
RS1
9
RS0
8
D7
19
D6
18
D5
17
D4
16
D3
15
D2
14
D1
13
D0
12
RESET
3
E,RD
4
R/W,WR
5
CS
6
IRQ
21
DREQ
20
DACK
7
DEND
22
XTAL1
39
EXTAL1
40
XTAL2
36
EXTAL2
37
8"/5"
1
XTALSEL
2
IFS
28
NUM1
26
NUM2
27
NC
38
NC
43
MON3
63
MON2
62
MON1
61
DS3
58
DS2
57
DS1
56
HLOAD
52
INP
30
INDEX
34
DS0
55
MON0
60
HDIR
51
STEP
50
WDATA
48
WGATE
47
TRK0
33
WPRT
32
RDATA
35
HSEL
53
READY
31
1/2EX1
24
VCC1
25
SFORM
29
VCC2
44
VCC3
45
VCC4
46
VSS1
10
VSS2
11
VSS3
23
VSS4
41
VSS5
42
VSS6
49
VSS7
54
VSS8
59
VSS9
64
R43 1Ks
R37 10Ks
X2
MA_406_16MHz MA-406
R39
10Ks
R29
10Ks
R38 1Ks
R41
10Ks
C58 100nFs
C65 10nFs
C289 100nFs
C61
NIU
R40 1Ks R32 1Ks
C62 NIU
R31 10Ks
C72 10pFs
R44 10Ks
R34
1Ks
R35
10Ks
C69 10pFs
C68 NIU C70 NIU C60 NIU
R46
0s
C71 NIU C73 NIU C63 NIU C64 NIU C66
47pFs
C67
47pFs
C59 100nFs
TP
TP11 TP NIU
R36 1Ks
R30 1Ks
C288 100nFs
R45 10Ks
R42 1Ks
R33
10Ks
CN7
3M_34P_MET
5 7 9 11 13 15 3 1 17 19 21 23 25 27 29 31 3334
32 30 28 26 24 22 20 18 16 14 12 10
8 6 4 2
R28 1Ks

Roland EXR-5 Specifications

General

Polyphony	64 voices
Speakers	12 cm x 2
Keyboard	61 keys (with velocity)
Drum Kits	20 drum kits
Effects	Reverb, Chorus
Connectors	MIDI In/Out
Power Supply	AC Adaptor