Roland GW-7 Service Notes

33
Mar.2005 GW-7
CIRCUIT DIAGRAM (MAIN 1/2)
fig.main1-c.eps
MIDI
HOLD
EXP.
BENDER
LCD_UNIT
ENCA ENC_A
ENCB ENC_B
AD0
AD1
HOLD
MIDIOUT
MIDIIN
DBPLS
A0
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A17
A18
A19
A21
D15
D14
D13
D12
D11
D10
D8
D9
D7
D6
D4
D5
D3
D2
D0
D1
D15
D14
D12
D13
D10
D8
D9
D11
D6
D7
D4
D5
D1
D0
D3
D2
A17
A18
A19
A21
XFLCS0
XFLWP5V
A3V16
A3V17
A3V18
A3V19
A3V21
A3V8
A3V0
A8
A9
A10
A11
A12
A13
A14
A15
A4
A5
A6
A7
A0
A2
A3
A3V9
A3V10
A3V11
A3V12
A3V13
A3V14
A3V15
A3V1
A3V3
A3V2
A3V5
A3V4
A3V7
A3V6XWR5V
XRD5V
RDXWR5V
XCASH5V
XCASL5V
XRAS5V
XFLCS1
XFLCS0
XCS0
XCS1
XFLWP5V
XRD5V
XRD5V
XRD5V
XWR5V
RDXWR5V
XCASH5V
XCASL5V
XRAS5V XRAS3V
XCASH3V
XCASL3V
RDXWR3V
D3V8
D3V9
D3V10
D3V11
D3V12
D3V13
D3V14
D3V15
D3V0
D3V1
D3V3
D3V2
D3V5
D3V4
D3V7
D3V6
XWR5V
XRD5V
RDXWR5V
XCASH5V
XCASL5V
XRAS5V
XFLCS1
XCS0
XCS1
A15
A16
XCS0
XCS0
XWR5V
D3V0
D3V1
D3V2
D3V3
D3V4
D3V5
D3V6
D3V7
D3V8
D3V9
D3V10
D3V11
D3V12
D3V13
D3V14
D3V15
D3V0
D3V1
D3V2
D3V3
D3V7
D3V5
D3V6
D3V4
D3V8
D3V11
D3V9
D3V10
D3V15
D3V13
D3V14
D3V12
A3V21
A3V19
A3V18
A3V17
A3V16
A3V15
A3V14
A3V13
A3V12
A3V11
A3V10
A3V9
A3V8
A3V7
A3V6
A3V5
A3V4
A3V3
A3V2
A3V1
A3V9
A3V5
A3V7
A3V6
A3V8
A3V3
A3V1
A3V4
A3V2
XFL3VCS0
XFL3VCS1
XRD3V
XWR3V
XFLWP3V
XRAS3V
XCASH3V
XCASL3V
RDXWR3V
XFLWP3V
MIDIOUT
XDBPLS
AD2
HOLD
SCAN1
SCAN2
SCAN0
LD3
LD2
LD0
LD1
SD0
SD1
SD2
SD3
SD4
SD5
XCS1
SCAN1
SCAN2
SCAN0
SD0
SD1
SD2
SD3
SD4
SD5
A15
SD4
SD5
LD2
LD3
SCAN0
SCAN1
SCAN2
DBPLS
AD1
AD2
SCAN0
SCAN1
SCAN2
ENCA
ENCB
D0
D1
D2
D3
D4
D5
D6
D7
LCD0
LCD1
LCD2
LCD3
LCD5
LCD6
LCD4
LCD7
RVR0
ENC_B
RVR1
RVR2
RVR1
EXP
MOD
ENC_A
BEND
RVR0
RVR2
MOD
BEND
EXP
LCD0
LCD1
LCD2
LCD3
LCD4
LCD5
LCD6
LCD7
BA1
XLCDCS
XBWR
DBPLS XDBPLS
SD1
SD2
SD3
LD0
LD1
SD0
LCDCS
LCDCS
LCDCS
LCD7
LCD6
LCD5
LCD4
LCD2
LCD3
LCD0
LCD1
BA1
XBWR
XLCDCS
D0
D1
D2
D3
D4
D5
D7
D6
D8
D9
D11
D10
D12
D13
D15
D14
D3V0
D3V1
D3V2
D3V3
D3V4
D3V5
D3V6
D3V7
D3V8
D3V9
D3V10
D3V11
D3V12
D3V13
D3V14
D3V15
AD0
A3V10
XFLCS0
D3V0
D3V1
D3V2
D3V3
D3V7
D3V5
D3V6
D3V4
D3V8
D3V11
D3V9
D3V10
D3V15
D3V13
D3V14
D3V12
A3V21
A3V19
A3V18
A3V17
A3V16
A3V15
A3V14
A3V13
A3V12
A3V11
A3V10
A3V9
A3V8
A3V7
A3V6
A3V5
A3V4
A3V3
A3V2
A3V1
XWR3V
XRD3V
XFLCS1 XFL3VCS1
XFL3VCS0
XFLBWP5V XFLBWP3V
XFLBWP5V
XLFLSEL
XLFLSEL
XFLBWP3V
XLCDEN
XLCDEN
A16
A16
XCS1
A16
A1
XWR5V
XLCDBEN
A1
A1
XLCDBEN
MIDIIN
KSCLK
XRST5V
XXPWAIT3V
XRST5V
XWR3V
XRD3V
XRST3V
XUSBINT
XXPINT3V
XUSBCCS
XXPCS3V
XXPWR3V
XRST3V
XDAMUTE
XKSINT
XKSCS
ANAMUTE
XRST5V
XRST3V
D
D
+
5D
D
+
5D
+
5D
D
D
+
D3.3
D
DD
D
D D D
+
5D
D
+
5D
D
D
+
5D
+
5D
D
D
+
5D
D
D
D
+
5D
D
+
D3.3
D
+
D3.3
D
+
D3.3
D
+
D3.3
D
+
D3.3
D
+
D3.3
D
+
D3.3
D
+
D3.3
D
D
D
D
+
D3.3
D
+
D3.3
+
D3.3
+
D3.3
+
5D
+
D3.3
D
+
D3.3
D
+
D3.3
D
D
+
5D
D
+
5D
D
D
+
5D
+
5D
+
5D
+
5D
D
VADP
D
D
-
A8
D
+
5D
D
+
5D
D
D
+
5D
D
D
VADP
-
A8
+
5D
+
5D
+
5D
+
5D
+
5D
+
5D
+
5D
+
5D
D
+
5D
+
5D
+
5D
+
5D
+
5D
+
D3.3
D
+
D3.3
+
D3.3
+
5D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
D
JK1
HDC-052A-12
IN OUT
1
4
2
5
33
5
2
4
1
11
12
13
14
15
19
10
21
22
23
24
25
29
20
30 40 50 60
L1
600
L2
600
L3
600
L4
600
R2
220
R3
220
IC1C
SN74LV14APW
5 6
DA1
DAN202U
12
3
R5
100
R6
120
C6
1
R27
1K
R26
10K
IC1E
SN74LV14APW
11 10
R33
1K
R11
470
R14
470
IC1G
SN74LV14APW
147
C24
0.1
IC11
P2027A-08TR
XIN/CLK
1
XOUT
2
MRA
3
VSS
4
SSON
5
MODOUT
6
SR0
7
VDD
8
R39
100
C29
0.1
JK2
LGR4609-7000
1
2
3
4
JK3
LGR4609-7000
1
2
3
4
L28
600
R38
1K
C36
0.1
L29
600
L30
600
C41
0.1
C42
0.1
R48
470
R43
MCR25J@
220
R49
100
R46
470
C43
0.1
C2 0.1
C3 0.1
C4 0.1
C5 0.1
C7 0.1
R13
100
R12
100
R19
100
R32
220
C27
470P
R36
3.3K
R40
150
C31
0.1
R51
100
CN4
B4B-PH-K-S(PB-FREE)
1
1
2
2
3
3
4
4
L31
102
L32
102
L33
102
R58
1K
R59
10K
C48
1000P
Q1
KTA1504SGR
1
3 2
R57
1K
C49
0.01
R62
1K
R63
10K
C53
1000P
Q2
KTA1504SGR
1
3 2
R60
10K
R61
1K
C54
0.01
L34
102
RA11
22
1 8
2 7
3 6
4 5
RA8
22
1 8
2 7
3 6
4 5
RA5
22
1 8
2 7
3 6
4 5
RA4
22
1 8
2 7
3 6
4 5
RA2
22
1 8
2 7
3 6
4 5
R10
22
RA20
22
1 8
2 7
3 6
4 5
RA18
22
1 8
2 7
3 6
4 5
RA16
22
1 8
2 7
3 6
4 5
RA14
22
1 8
2 7
3 6
4 5
RA15
10K
1 8
2 7
3 6
4 5
RA17
10K
1 8
2 7
3 6
4 5
RA19
10K
1 8
2 7
3 6
4 5
RA21
10K
1 8
2 7
3 6
4 5
C8
0.1
RA3
22
1 8
2 7
3 6
4 5
RA1
22
1 8
2 7
3 6
4 5
C12
0.1
RA13
22
1 8
2 7
3 6
4 5
RA12
22
1 8
2 7
3 6
4 5
C20
0.1
RA23
22
1 8
2 7
3 6
4 5
RA22
22
1 8
2 7
3 6
4 5
RA28
22
1 8
2 7
3 6
4 5
C28
0.1
RA30
22
1 8
2 7
3 6
4 5
RA33
22
1 8
2 7
3 6
4 5
C39
0.1
RA35
22
1 8
2 7
3 6
4 5
R29
22
R30
22
RA26
22
1 8
2 7
3 6
4 5
RA27
22
1 8
2 7
3 6
4 5
RA32
100
1 8
2 7
3 6
4 5
R45
100
R52
100
R53
4.7K
C47
0.1
RA39
22
1 8
2 7
3 6
4 5
RA37
22
1 8
2 7
3 6
4 5
RA29
10K
1 8
2 7
3 6
4 5
RA31
10K
1 8
2 7
3 6
4 5
RA34
10K
1 8
2 7
3 6
4 5
RA36
10K
1 8
2 7
3 6
4 5
RA24
10K
1 8
2 7
3 6
4 5
R28
100
R34
10K
R35
10K
IC16A
1
2
3
IC16D
12
13
11
IC16B
4
5
6
IC16C
9
10
8
IC5
MBM29LV320BE90TN-E1
A15
1
A14
2
A13
3
A12
4
A11
5
A10
6
A9
7
A8
8
A19
9
A20
10
WE
11
RST
12
NC
13
WP/ACC
14
RY/BY
15
A18
16
A17
17
A7
18
A6
19
A5
20
A4
21
A3
22
A2
23
A1
24
A0
25
CE
26
GND
27
OE
28
DQ0
29
DQ8
30
DQ1
31
DQ2
33
DQ10
34
DQ3
35
DQ11
36
VCC
37
DQ4
38
DQ12
39
DQ5
40
DQ13
41
DQ6
42
DQ14
43
DQ7
44
DQ15
45
GND
46
NC
47
A16
48
DQ9
32
C52
0.1
R25
100
IC8
M11L16161SA-45T(0R18U)
WE
17
RAS
18
OE
33
CASL
35
CASH
34
I/O15
49
I/O14
48
I/O13
47
I/O12
46
I/O11
44
I/O10
43
I/O9
42
I/O8
41
I/O7
10
I/O6
9
I/O5
8
I/O4
7
I/O3
5
I/O2
4
I/O1
3
I/O0
2
VCC
1
VCC
6
VCC
25
VSS
26
VSS
45
VSS
50
A9
32
A8
31
A7
30
A6
29
A5
28
A4
27
A3
24
A2
23
A1
22
A0
21
NC
11
NC
15
NC
16
NC
19
NC
20
NC
36
NC
40
R55
10K
IC1A
12
IC1F
13 12
IC1D
9 8
CN2
16FE-BT-VK-N
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
R21
100
C18
0.01
RA38
100
1 8
2 7
3 6
4 5
R18
10K
L20
680
L19
680
L18
680
L17
680
L16
680
IC20
SN74LV245A-PW
DIR
1
A1
2
A2
3
A3
4
A4
5
A5
6
A6
7
A7
8
A8
9
GND
10
B8
11
B7
12
B6
13
B5
14
B4
15
B3
16
B2
17
B1
18
OE
19
VCC
20
RA43
100
1 8
2 7
3 6
4 5
RA41
100
1 8
2 7
3 6
4 5
RA40
10K
1 8
2 7
3 6
4 5
RA42
10K
1 8
2 7
3 6
4 5
C16
1
R20
0
C44
0.1
IC7C
M5218AFP
+
-
84
C17
NIU
IC7B
M5218AFP
+
-
6
5
7
R22
12K
C15
10P
R17
47K
R16
27K
D1
MA3X72000L
1 3
C46
0.1
L44
102
L43
102
L42
102
L41
102
L40
102
L39
102
L38
102
L45
102
L37
102
L36
102
L35
102
C59
0.1
C56
0.1
IC19D
TC7WH04FU
84
IC19A
1 7
IC19C
TC7WH04FU
6 2
L26
680
L25
680
L24
680
L23
680
L22
680
L27
680
RA6
10K
1 8
2 7
3 6
4 5
RA9
10K
1 8
2 7
3 6
4 5
RA7
100
1 8
2 7
3 6
4 5
RA10
100
1 8
2 7
3 6
4 5
R15
100
IC19B
3 5
CN5
16FMN-BTK-A
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
C58
0.1
C57
10/16
L47
102
L10
680
IC3
HD6437016E33FV
*/AH/DACK0
1
PE15/DACK1
2
VSS
3
PC0/A0
4
PC1/A1
5
PC2/A2
6
PC3/A3
7
PC4/A4
8
PC5/A5
9
PC6/A6
10
PC7/A7
11
PC8/A8
12
PC9/A9
13
PC10/A10
14
PC11/A11
15
PC12/A12
16
PC13/A13
17
PC14/A14
18
PC15/A15
19
PB0/A16
20
VCC
21
PB1/A17
22
VSS
23
PB2/IRQ0/RAS
24
PB3/IRQ1/CASL
25
PB4/IRQ2/CASH
26
VSS
27
PB5/IRQ3/RDWR
28
PB6/A18
29
PB7/A19
30
*/WAIT/IRQ6/A20
31
*/IRQ7/A21
32
VSS
33
PA14/RD
34
WDTOVF
35
PA13/WRH
36
VCC
37
PA12/WRL
38
VSS
39
PA11/CS1
40
PA10/CS0
41
*/PA9/IRQ3
42
*/PA8/IRQ2
43
*/PA7/CS3
44
*/PA6/CS2
45
*/SCK1/IRQ1
46
TXD1/PA4
47
RXD1/PA3
48
*/SCK0/IRQ0
49
TXD0/PA1
50
RXD0/PA0
51
PD15/D15
52
PD14/D14
53
PD13/D13
54
VSS
55
PD12/D12
56
PD11/D11
57
PD10/D10
58
PD9/D9
59
PD8/D8
60
VSS
61
PD7/D7
62
PD6/D6
63
PD5/D5
64
VCC
65
PD4/D4
66
PD3/D3
67
PD2/D2
68
PD1/D1
69
PD0/D0
70
VSS
71
XTAL
72
MD3
73
EXTAL
74
MD2
75
NMI
76
VCC
77
MD1
78
MD0
79
PLLVCC
80
PLLCAP
81
PLLVSS
82
CK/PA15
83
RES
84
*/PE0/DREQ0
85
*/PE1/DRAK0
86
*/PE2/DREQ1
87
*/PE3/DRAK1
88
PE4/TIOC1A
89
VSS
90
AN0/PF0
91
AN1/PF1
92
AN2/PF2
93
AN3/PF3
94
AN4/PF4
95
AN5/PF5
96
AVSS
97
AN6/PF6
98
AN7/PF7
99
AVCC
100
VSS
101
PE5/TIOC1B
102
VCC
103
PE6/TIOC2A
104
PE7/TIOC2B
105
PE8
106
PE9
107
PE10
108
VSS
109
PE11
110
PE12
111
PE13
112
L13
680
L5
680
L8
680
L46
102
L11
680
L14
680
L6
680
L9
680
C55
0.1
L12
680
L15
680
L7
680
R37
47K
CN1
18FE-BT-VK-N
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
17
17
18
18
R31
10K
R44
100K
R1
10K
RA25
10K
1 8
2 7
3 6
4 5
R159
100
C182
1000P
R160
100
R158
10K
IC36
MBM29LV160BE-70TN@
A15
1
A14
2
A13
3
A12
4
A11
5
A10
6
A9
7
A8
8
A19
9
NC
10
WE
11
RESET
12
NC
13
NC
14
RY/BY
15
A18
16
A17
17
A7
18
A6
19
A5
20
A4
21
A3
22
A2
23
A1
24
A0
25
CE
26
VSS
27
OE
28
DQ0
29
DQ8
30
DQ1
31
DQ9
32
DQ2
33
DQ10
34
DQ3
35
DQ11
36
VCC
37
DQ4
38
DQ12
39
DQ5
40
DQ13
41
DQ6
42
DQ14
43
DQ7
44
DQ15/A-1
45
VSS
46
BYTE
47
A16
48
R164
NIU
R168
10K
L56
102
C189
0.1
C30
18P
C37
18P
X1
CX-49G@
7.056MHz
12
IC4
SN74LV245A-PW
DIR
1
A1
2
A2
3
A3
4
A4
5
A5
6
A6
7
A7
8
A8
9
GND
10
B8
11
B7
12
B6
13
B5
14
B4
15
B3
16
B2
17
B1
18
OE
19
VCC
20
C21
0.01
C19
100P
C1
100P
Q10
KRC102S
1
2 3
IC1B
34
IC10
SN74LV245A-PW
DIR
1
A1
2
A2
3
A3
4
A4
5
A5
6
A6
7
A7
8
A8
9
GND
10
B8
11
B7
12
B6
13
B5
14
B4
15
B3
16
B2
17
B1
18
OE
19
VCC
20
C26
0.01
C40
100P
DA7
DA204U
2 1
3
C35
10/16
IC18E
SN74AHC32PW
147
C25
0.1
C34
1
TER3
PCB-12
1
2 3
4
C13
0.1
TER1
PCB-12
1
2 3
4
R23
12K
C50
10/16
C33
1
C23
0.1
IC12
TC7SET08FU
1
2
4
53
TER2
PCB-12
1
2 3
4
C14
10/16
R66
47
C32
1
TER4
PCB-12
1
2 3
4
IC16E
SN74AHC32PW
147
C180
0.1
C22
10/16
C51
0.1
C181
10/16
C11
0.01
IC14
SN74LV245A-PW
DIR
1
A1
2
A2
3
A3
4
A4
5
A5
6
A6
7
A7
8
A8
9
GND
10
B8
11
B7
12
B6
13
B5
14
B4
15
B3
16
B2
17
B1
18
OE
19
VCC
20
DA4
DA204U
21
3
IC6
SN74LV245A-PW
DIR
1
A1
2
A2
3
A3
4
A4
5
A5
6
A6
7
A7
8
A8
9
GND
10
B8
11
B7
12
B6
13
B5
14
B4
15
B3
16
B2
17
B1
18
OE
19
VCC
20
IC9
SN74LV245A-PW
DIR
1
A1
2
A2
3
A3
4
A4
5
A5
6
A6
7
A7
8
A8
9
GND
10
B8
11
B7
12
B6
13
B5
14
B4
15
B3
16
B2
17
B1
18
OE
19
VCC
20
C10
0.01
DA3
DA204U
21
3
DA2
DA204U
21
3
IC18C
9
10
8
IC17
SN74LV245A-PW
DIR
1
A1
2
A2
3
A3
4
A4
5
A5
6
A6
7
A7
8
A8
9
GND
10
B8
11
B7
12
B6
13
B5
14
B4
15
B3
16
B2
17
B1
18
OE
19
VCC
20
C188
100P
IC18D
12
13
11
R64
47
R65
47
IC18A
1
2
3
IC18B
4
5
6
IC2
PC410LK
64
1
3
5
C9
470P
R7
10K
R8
100
R24
330K
IC7A
M5218AFP
+
-
2
3
1
D3V[0:15]
A3V[0:21]

Roland GW-7 Specifications

General

Brand	Roland
Model	GW-7
Category	Musical Instrument
Language	English