Roland GT-6 - Circuit Diagram (Main 1;2)

Sep. 2001
GT-6(T)
CIRCUIT DIAGRAM (MAIN 1/2)
fig.sk961-c
4M Flash
ENCODER
PANEL VR A/D
EXP/CTL 1, 2
SW DATA
LCD IF (3.3V <=> 5V)
DIGITAL OUT
TO LCD
SW SCAN
TO CN2 on SW2 BOARD
TO CN7 on SW1 BOARD
TO CN8 on SW1 BOARD
LED DATA
RESET
TO CN11 on SW1 BOARD
SW_SCNA3
SW_SCNA3
SW_DATA7
SW_DATA7
Contrast
Contrast
Resister Select
Resister Select
Read/Write
Read/Write
Enable signal
Enable signal
Data Bit 0
Data Bit 0
Data Bit 1
Data Bit 1
Data Bit 2
Data Bit 2
Data Bit 3
Data Bit 3
Data Bit 4
Data Bit 4
Data Bit 5
Data Bit 5
Data Bit 6
Data Bit 6
Data Bit 7
Data Bit 7
DIR "H" : A -> B
DIR "L" : A <- B
MAIN BOARD ASSY (Digital)
TO CN10 on SW4 BOARD
MIDI
TO CN4 on EXP BOARD
A12
A0
A16
A5
A8
A1
A3
A8
A8
LCD6
A0
ED3
D11
D9
D14
A15
A3
LCD6
D8
A1
AD1
A11
A4
A9
A2
A2
A4
D8
D14
A13
LCD5
A6
A13
ED0
ED0
A12
D13
A9
A14
A6
ED4
A7
A10
A3
D12
A14
A10
D12
A6
A3
D9
LCD7
A4
ED3
A0
A16
D15
A11
A14
D9
D13
A1
D13
SW_DATA5
ED6
A4
CS0
D12
A9
A3
D12
ED1
D11
LCD4
D11
A2
D12
A10
LCD1
LCD2
LCD3
D8
D8
ED6
ED7
A8
A15
D15
D11
D11
XB
D9
D13
A5
D14
D14
LCD3
A12
D14
D13
MIDI IN
A2
A13
A0
ED2
ED7
ED5
A11
A14
A1
D10
A13
A5
D15
A16
XA
A13
A4
LCD2
A7
A15
A12
A11
D10
D15
A2
D15
A7
A6
D10
ED2
ED1
ED4
A8
A0
D10
A9
A6
A9
D8
LCD5
LCD0
A1
A15
ED5
A11
A12
LCD0
A16
LCD7
RD
A10
A7
D9
A7
A5
LCD4
LCD1
A5
D10
A10
LED_DATA1
LED_DATA2
SW_SCAN0
SW_SCAN1
SW_SCAN2
SW_SCAN3
LED_CLOCK
LED_CLOCK
LED_DATA3
SW_DATA0
SW_DATA1
SW_DATA6
SW_DATA7
LED_DATA4
AD0
SW_DATA2
SW_DATA4
SW_DATA3
SW_SCAN1
SW_SCAN2
SW_SCAN3
SW_SCAN0
LCD7
LCD6
LCD5
LCD4
LCD3
LCD2
LCD1
LCD0
CS4
A16
A15
A14
A18
A17
A18
A19
A19
A17
A19
A17
A19
A19
A18
A17
A18
LCD_DIR
AD_A
RESET
CONTRAST
BATT
LCD_DIR
BATT
CONTRAST
AD_B
RESET
MUTE
ENC_B
ENC_A
ENC_B
ENC_A
MUTE
AD_C
INT0
INT0
AD_A
AD_B
AD_C
+
D3.3
D
D
+
D3.3
D
D
D
D
D
D
D
+
D3.3
+
D3.3
D
D
D
D
D
+
5D
D
D
D
D
+
D3.3
+
D3.3
D
D
+
D3.3
D
+
5D
+
D3.3
D
D
+
D3.3
D
+
D3.3
+
D3.3
D
D
D
+
D3.3
D
+
D3.3
+
D3.3
D
D
+
5D
D
D
+
D3.3
D
+
D3.3
+
D3.3
D
D
D
+
D3.3
D
D
D
+
D3.3
D
+
D3.3
D
D
D
+
D3.3
D
D
D
D
D
+
D3.3
+
D3.3
D
+
D3.3
D
D
D
+
D3.3
D
D
+
D3.3
D
+
D3.3
+
5D
+
D3.3
+
5D
+
D3.3
D
D
D
+
D3.3
D
+
D3.3
D
+
D3.3
D
+
D3.3
D
+
D3.3
+
D3.3
D
D
+
D3.3
D
+
D3.3
D
D
+
D3.3
D
D
+
D3.3
+
D3.3
D
+
D3.3
+
D3.3
+
D3.3
+
D3.3
+
D3.3
+
D3.3
+
D3.3
D
+
D3.3
+
D3.3
+
D3.3
+
D3.3
+
D3.3
+
5D
D
+
D3.3
D
+
D3.3
D
D
D
D
+
5D
+
5D
+
5D
D
+
D3.3
+
D3.3
D
C97 10/16
TVCC2Testpin
1
R82
10k
R91
4.7k
TGND1Testpin
1
TA13 Testpin
1
RA4
CRN34101J
1 8
2 7
3 6
4 5
R71
75
TGND2Testpin
1
CN8
53015-0210
1
1
2
2
D9
RB500V-40
12
C77
0.1
R76
10k
D11
1SS352
1 2
R78
N.I.U
RA2
CRN34101J
1 8
2 7
3 6
4 5
C92 0.1
C112 0.1
TA14 Testpin
1
C99 0.1
RA18
CRN34103J
1 8 2 7 3 6 4 5
D6
1SS352
1 2
C143
10/16
R74
330
RA8 N.I.U
1 8
2 7
3 6
4 5
2
45
INOUT
2
45
JK8
YKF51-5054
12
14
15
22
24
25
30 40 50 60
C80
0.1
C124
0.1
RA17 N.I.U
1 8
2 7
3 6
4 5
IC16B
TC7W04F
35
CN5
2.54mm
1
1
2
2
TA15 Testpin
1
C106 0.1
IC19
TC9271FS
BLOCK
1
UBDA
2
LRS
3
LRCK
4
NC
5
BCK
6
DATA
7
VLDY
8
EMPH
9
COPY
10
FS1
11
FS2
12
CKS
13
XI
14
VSS
15
DO1
16
DO2
17
M1
18
M2
19
IS1
20
IS2
21
CTG1
22
CTG2
23
CTG3
24
FR32
25
NC
26
LBIT
27
CKA1
28
CKA2
29
VDD
30
R104
1K
IC22
UPD431000AGW-A10
A16
2
A15
31
A14
3
A13
28
A12
4
A11
25
A10
23
A9
26
A8
27
A7
5
A6
6
A5
7
A4
8
A3
9
A2
10
A1
11
A0
12
CE2
30
CE1
22
R/W
29
OE
24
I/O8
21
I/O7
20
I/O6
19
I/O5
18
I/O4
17
I/O3
15
I/O2
14
I/O1
13
NC
1
VDD
32
VSS
16
R106
4.7K
TD14Testpin
1
Q10
N.I.U.
1
3 2
C94
10/16
R94
4.7K
R96 N.I.U
TA16 Testpin
1
TA1 Testpin
1
RA11
CRN34103J
1 8
2 7
3 6
4 5
RA13 N.I.U
1 8
2 7
3 6
4 5
C107 0.1
TD13Testpin
1
R105
10K
R101
N.I.U.
D8
1SS352
1 2
TA2 Testpin
1
TA17 Testpin
1
R108 100
C110 0.1
C139
0.1
R67 120
C100 0.1
TD12Testpin
1
L17
N.I.U.
DA3 1SS302
2 1
3
C75
N.I.U.
C127
0.001
C130
0.01
TA18 Testpin
1
C91 0.1
TA3 Testpin
1
CN4
A2001WR2-3P
1
1
2
2
3
3
+
-
IC25A
TC75S51F
3
1
4
R100
1K
CN1
A2541WR2-2A16NP
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
R80 10k
TD11Testpin
1
TA4 Testpin
1
R103
4.7K
TA19 Testpin
1
D10
1SS352
1 2
R93 N.I.U
R111
4.7K
C134
0.1
CN6
A2001WR2-7P
1
1
2
2
3
3
4
4
5
5
6
6
7
7
CN7
A2001WR2-8P
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
R92 N.I.U
R110
4.7K
TD10Testpin
1
RA12 CRN34101J
1 8
2 7
3 6
4 5
R107
1K
L12
N.I.U
TA5 Testpin
1
A
JK9B
YKC21-3117
10
IC24
LC32V4265T-25-TLM
VCC
1
I/O1
2
I/O2
3
I/O3
4
I/O4
5
VCC
6
I/O5
7
I/O6
8
I/O7
9
I/O8
10
NC
13
NC
14
WE
15
RAS
16
NC
17
A0
18
A1
19
A2
20
A3
21
VCC
22
VSS
23
A4
24
A5
25
A6
26
A7
27
A8
28
OE
29
UCAS
30
LCAS
31
NC
32
I/O9
35
I/O10
36
I/O11
37
I/O12
38
VSS
39
I/O13
40
I/O14
41
I/O15
42
I/O16
43
VSS
44
R69
100
DA4 1SS302
2 1
3
C78
0.1
C142
0.1
R88 N.I.U
R99
N.I.U
RA10 N.I.U
1 8
2 7
3 6
4 5
R97 N.I.U
C121 15P
TD9Testpin
1
TA6 Testpin
1
RA20 N.I.U
1 8
2 7
3 6
4 5
R98 N.I.U
CN2
A2001WR2-10P
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
C103 0.1
RA7 N.I.U
1 8
2 7
3 6
4 5
TD8Testpin
1
C81 47/16
C95 0.1
TCS0 Testpin
1
C133
10/16
C98 0.1
C85
N.I.U.
TR1
PT-10 (13:4)
1
2
3 4
6
1020
C93 0.1
R75 22 1/2W
IC14
TC74LVXC3245FS
DIR
2
A1
3
A2
4
A3
5
A4
6
A5
7
A6
8
A7
9
A8
10
GND
11
B8
14
B7
15
B6
16
B5
17
B4
18
B3
19
B2
20
B1
21
G
22
VCCB
24
VCCA
1
GND
13
GND
12
NC
23
TA7 Testpin
1
Q9
2SC4116GR
1
2 3
D7
N.I.U.
1 2
C126
10/16
C125
0.1
L16
N.I.U
L14
N.I.U
BT1
CR2032/383-009
1 2
TRD Testpin
1
IC18
TC74VHCT541F
A8
9
A7
8
A6
7
A5
6
A4
5
A3
4
A2
3
A1
2
G2
19
G1
1
Y8
11
Y7
12
Y6
13
Y5
14
Y4
15
Y3
16
Y2
17
Y1
18
VCC
20
GND
10
C79 0.1
C138
0.1
IC27
TC7SH04F
2 4
53
C132
0.1
R90 N.I.U
TA8 Testpin
1
TA0 Testpin
1
JK11
HTJ-064-12D
1
2
3
R70
470
C135
0.1
C141
0.1
RA9 N.I.U
1 8
2 7
3 6
4 5
IC16C
TC7W04F
62
C89
0.1
RA16 N.I.U
1 8
2 7
3 6
4 5
C113
10/16
RA6
CRN34101J
1 8
2 7
3 6
4 5
C82
N.I.U.
JK9A
YKC21-3117
2
1
RA21 N.I.U
1 8
2 7
3 6
4 5
RA5
CRN34104J
1 8 2 7 3 6 4 5
R102
10k
R109 10
TA9 Testpin
1
R79
N.I.U
C109 0.1
X1
SG-8002JC(67.7376MHz)
OE
1
GND
2
OUT
3
VDD
4
C87
0.1
TCS4 Testpin
1
CN3
A2001WR2-11P
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
C83 0.1
RA3
CRN34104J
1 8 2 7 3 6 4 5
RA19
CRN34103J
1 8 2 7 3 6 4 5
R68
2.2k
X2
MA-406 (20MHz)
1 4
R77 22
L13
N.I.U
TA10 Testpin
1
C111 0.1
Q11
DTA143EKA
1
3 2
R95
N.I.U
R81
1M(F)
TD15Testpin
1
RA15 CRN34101J
1 8
2 7
3 6
4 5
RA1
CRN34101J
1 8
2 7
3 6
4 5
C101 0.1
C114 0.1
TA11 Testpin
1
R83
N.I.U.
IC13
PC400
1
3
4
5
6
RA14
CRN34103J
1 8
2 7
3 6
4 5
C137
N.I.U.
R84
470k
C105 0.1
C122
10/16
R85
4.7K
C96 0.1
C102 0.1
TA12 Testpin
1
C128
0.1
C84
0.1
C108 0.1
C119
15P
TVCC1Testpin
1
R72
10K
C129
0.01
IC16A
TC7W04F
17
IC16D
TC7W04F
84
C131
0.1
C120
0.1
C88
0.1
C104
10/16
C115
0.1
IC21
HD6412312VF
VCC
42
P27/TIOCB5/TMO1
94
P14/TIOCA1
5
P25/TIOCB4/TMCI1
92
P16/TIOCA2
7
P26/TIOCA5/TMO0
93
P20/TIOCA3
56
P22/TIOCC3/TMRI0
58
P21/TIOCB3
57
VSS
9
TXD0/P30
10
TXD1/P31
11
RXD0/P32
12
RXD1/P33
13
IRQ4/SCK0/P34
14
IRQ5/SCK1/P35
15
D0/PE0
16
D1/PE1
17
D2/PE2
18
D3/PE3
19
VSS
20
D4/PE4
21
D5/PE5
22
D6/PE6
23
D7/PE7
24
D8
25
D9
26
D10
27
D11
28
D12
29
D13
30
D14
31
D15
32
VCC
67
A0
34
A1
35
A2
36
A3
37
A4
38
A5
39
A6
40
A7
41
VSS
33
A8
43
A9
44
A10
45
A11
46
A12
47
A13
48
A14
49
A15
50
A16
52
A17
53
A18
54
A19
55
VSS
51
PF2/WAIT/IRQ2
76
PF0/BREQ/IREQ0/CS4
78
PF1/BACK/IRQ1/CS5
77
P23/TIOCD3/TMCI0
61
STBY
66
RES
64
NMI
65
VSS
70
EXTAL
69
XTAL
68
VCC
100
PF6/AS
72
PF5/RD
73
PF4/HWR
74
PF3/LWR/IRQ3
75
MD0
59
MD1
60
MD2
63
AVCC
79
VREF
80
P40/AN0
81
P41/AN1
82
P42/AN2
83
P43/AN3
84
P44/AN4
85
P45/AN5
86
P46/AN6/DA0
87
P47/AN7/DA1
88
AVSS
89
P24/TIOCA4/TMRI1
91
PG1/CS3/IRQ7/CS6
96
PG2/CS2
97
PG3/CS1/CS7
98
PG4/CS0
99
PF7/PHAI
71
VSS
90
P15/TIOCB1/TCLKC
6
P17/TIOCB2/TCLKD
8
P13/A23/TIOCD0/TCLKB
4
P12/A22/TIOCC0/TCLKA
3
P11/A21/TIOCB0
2
P10/A20/TIOCA0
1
PG0/ADTRG/IRQ6
95
WDTOVF(FWE*)
62
C118
0.1
C123
0.1
R86 N.I.U
R87 N.I.U
R89 N.I.U
C116
10/16
IC26
LH28F400BVE-BL85
NC
9
NC
10
WE
11
RP
12
VPP
13
WP
14
RY/BY
15
NC
16
CE
26
GND
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
A-1/DQ15
45
GND
46
BYTE
47
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
IC29
TC74HC238AF
C
3
B
2
A
1
G2B
5
G2A
4
G1
6
Y7
7
Y6
9
Y5
10
Y4
11
Y3
12
Y2
13
Y1
14
Y0
15
VCC
16
GND
8
RA22
N.I.U.
1 8 2 7 3 6 4 5
RA23
N.I.U.
18
27
36
45
RA24
N.I.U.
18
27
36
45
R117 N.I.U. R118 N.I.U.
R119
10K
R120 10K
R116
100k
R121
4.7M(F)
D15
N.I.U.
13
R129
N.I.U.
R130
10K
R131
N.I.U.
RA25
N.I.U.
1 8 2 7 3 6 4 5
R132 10K
R133 10K
R134 10K
RA26
N.I.U.
1 8 2 7 3 6 4 5
RA27
N.I.U.
1 8 2 7 3 6 4 5
IC17
TC7SH04F
24
53
C86
0.1
R135 N.I.U
R136 N.I.U
DA5 N.I.U
2 1
3
RA28 CRN34103J
1 8
2 7
3 6
4 5
IC15
M51953AFP
RST
6
DLY
5
VCC
7
GND
4
NC
1
NC
2
NC
3
NC
8
C90
0.33/50
IC28A
TC7WH32FU
1
2
7
R137
10k
IC28B
TC7WH32FU
5
6
3
C140
0.1
IC28C
TC7WH32FU
84
R73
N.I.U.
R138 N.I.U.
L15
SBT-0180W
4
1
3
2
+
-
IC25B
TC75S51F
52
C136
0.1
IC20
RA0A-101 (TC223C080AF-101)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
LRCK
ADDATA
LRCK
MCK
MCK
ADDATB
RES
DIF_DATA
BCK
BCK
MUTE
DIF_DATA
DADATB
DADATA
2726