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Roland EXR-5 Service Note

Roland EXR-5
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EXR-5
Oct.2003
35
34
CIRCUIT DIAGRAM (MAIN 4/6 - MEMORY SECTION)
XWRL
XFLASH
XF1RST
XWRL
XF3RSTXF2RST
XWRL
XSTYLE
WPCNT2WPCNT2
WPCNT
WPCNT
XSTYLE
WPCNT2
XFLASH2XFLASH1
XFLASH1
XFLASH2
D3
D12
D7
A8
A1
A3
A19
D8
A7
A13
A12
A12
D7
D2
D15
D13
A9
A5
A2
A1
A8
XRD
D14
D0
D10
A6
D4
D15
A13
A13
D13
D11A15
D5
A2
A10
A11
A10
A11
D9
A21
D1
A15
D3
A3
D10
D5
A18
A9
A16
A4
D1
D6
D4
D10
D5
A19
D14
D6
D12
D0
D4
A9 A9
A4
D11
D2
A8
D6
XRD
D1
A16
A17
A1
D11
D7
D11
D7
A4
A3
A11
A10
D15
A12
A17
D1
XRAS
D5
A6
D12
D12
A21
D6
XRD
A14
A14
A14
D3
D0 D0
A10
A5
A7
XRD
RDWR
XCASH
A2
A5
A16
D13
D2
XCASL
D10
A8
A11
A18
A7
A21
A17
D14
XRD
A15
A12
A7
A6
A6
A2
D3
A3
A5
D9
D8
D13
A1
D14
D9
D2
D4
A19
A18
D9
D8
D15
A4
D8
XF1RST
XFLASH
XWRL
XF2RST
XF3RST
A[0..21]
XRAS
XCASH
XWRL
XF1RST
XFLASH
XSTYLE
SWAP_ROM
D[0..15]
XRD
RDWR
WPCNT
WPCNT2
XCASL
XF2RST
XF3RST
5VD5VD
5VD
5VD
5VD
5VD
D
D
D
D
D
D
D
5VD
5VD
5VD 5VD
DATA_BUS
ADDRESS_BUS
DRAM_CONTROL
16 Mbit
DRAM
16 Mbit FLASH
16 Mbit FLASH
1ST Style
2ND Style
STYLE FLASH ROMs
DRAM
R216
0s
IC37
AM29F160DB_75EC
A18
16
A17
17
A16
48
A15
1
A14
2
A13
3
A12
4
A11
5
A10
6
A9
7
A8
8
A7
18
A6
19
A5
20
A4
21
A3
22
A2
23
A1
24
A0
25
RY/BY
15
RP
12
CE
26
WE
11
OE
28
WP
14
DQ15
45
DQ14
43
DQ13
41
DQ12
39
DQ11
36
DQ10
34
DQ9
32
DQ8
30
DQ7
44
DQ6
42
DQ5
40
DQ4
38
DQ3
35
DQ2
33
DQ1
31
DQ0
29
NC
13
VCC
37
NC
10
BYTE
47
GND
27
GND
46
A19
9
IC36
AM29F160DB_75EC
A18
16
A17
17
A16
48
A15
1
A14
2
A13
3
A12
4
A11
5
A10
6
A9
7
A8
8
A7
18
A6
19
A5
20
A4
21
A3
22
A2
23
A1
24
A0
25
RY/BY
15
RP
12
CE
26
WE
11
OE
28
WP
14
DQ15
45
DQ14
43
DQ13
41
DQ12
39
DQ11
36
DQ10
34
DQ9
32
DQ8
30
DQ7
44
DQ6
42
DQ5
40
DQ4
38
DQ3
35
DQ2
33
DQ1
31
DQ0
29
NC
13
VCC
37
NC
10
BYTE
47
GND
27
GND
46
A19
9
C125
100nFs
R114
10Ks
C123
100nFs
IC38
AM29F160DB_75EC
16MBit Program Flash ROM
A18
16
A17
17
A16
48
A15
1
A14
2
A13
3
A12
4
A11
5
A10
6
A9
7
A8
8
A7
18
A6
19
A5
20
A4
21
A3
22
A2
23
A1
24
A0
25
RY/BY
15
RP
12
CE
26
WE
11
OE
28
WP
14
DQ15
45
DQ14
43
DQ13
41
DQ12
39
DQ11
36
DQ10
34
DQ9
32
DQ8
30
DQ7
44
DQ6
42
DQ5
40
DQ4
38
DQ3
35
DQ2
33
DQ1
31
DQ0
29
NC
13
VCC
37
NC
10
BYTE
47
GND
27
GND
46
A19
9
C120
33uF16s
C332
100nFs
R1 10Ks
C121
100nFs
R164
0s
NIU
C292
33uF16s
IC18
HM5118160CJ_6
16MBit DRAM 60ns SOJ 42 pin
A0
17
A1
18
A2
19
A3
20
A4
23
A5
24
A6
25
A7
26
A8
27
A9
28
RAS
14
UCAS
30
WE
13
VCC
1
VSS
42
OE
29
A10
16
A11
15
VSS
22
VCC
21
VCC
6
VSS
37
DQ0
2
DQ1
3
DQ2
4
DQ3
5
DQ4
7
DQ5
8
DQ6
9
DQ7
10
DQ8
33
DQ9
34
DQ10
35
DQ11
36
DQ12
38
DQ13
39
DQ14
40
DQ15
41
LCAS
31
NC
11
NC
12
NC
32
C291
33uF16s
R2 10Ks
C333
100nFs
C290
33uF16s
C331
100nFs
C122
100nFs
IC1A
TC74VHC139F
B
3
A
2
G
1
Y3
7
Y2
6
Y1
5
Y0
4
IC1B
TC74VHC139F
B
13
A
14
G
15
Y3
9
Y2
10
Y1
11
Y0
12
IC1C
TC74VHC139F
VCC
16
GND
8
R6 10Ks

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Roland EXR-5 Specifications

General IconGeneral
Polyphony64 voices
Speakers12 cm x 2
Keyboard61 keys (with velocity)
Drum Kits20 drum kits
EffectsReverb, Chorus
ConnectorsMIDI In/Out
Power SupplyAC Adaptor

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