Circuit Diagram & Borad - Roland Boss Dr.Groove DR-202 Service Notes

Jul, 1998
1 2 3 4 5 6
CIRCUIT DIAGRAM
A
MAIN BOARD ASSY (1/2)
B
JK1
C
1 YKF51-5048
5 2 4 5 2 4
2 2 2 1 1 1
5 2 4 5 2 4
SBT-0260
D
SBT-0260
E A
Q1
DTA124EK
R16
L5
SBT-0260 220
F
TC7W04F
L6
R17
SBT-0260
G 7
220
RA8 D +5
RCE9A103
1
To SW BOARD
H
9 8 7 6 5 4 3 2
CN1
IL-FPC-16ST-N
1 SCAN4
1
2 SCAN3
2
3 SCAN2
3
SCAN1
4
4
I
5 5 RD8
6 RD7
6
7 RD6
7
RD5
8
8
9 RD4
9
10 RD3
10
11 RD2
11
12 RD1
12
J 13
13
14 14
D +5
15 REC
15
R39
16 16
100k
R47
100
START
C58
D
K
0.1
D +5
R53 D
100k
R54
100
C59
L
0.1
D
Foot _ SW
R21
TAP 2.2k
M
VR4
VR4
VR3
VR3
VR2
VR2
VR1
N VR1
VR _ A
VR _ A
VR _ B
VR _ B
A +9 D +5
BATTERY
R33
R34
O 100k
100k
6
-
7
R55
5
39k +
IC23B
UPC4072G2
P R35 R40
100k
100k
D
Q
D +5
R58
39k
D +5
Memory BAT
1
IC23A
BAT
R41
R UPC4072G2
3 100k
2
DA1 -
1SS301
3
2 R42
+
100k
R29
10k
R57
S
BT1 2 4.7M
R38
CR2032
1M
1
D D
T
U
7 8 9 10 11
D +5
C25
R18
0.1
L3 R11 2.2k
D +5
6
120
1 4
2
L2
3 5 C13
R12
ACB3216M
100/6.3
100
1 2 + - 1
IC7
L4 PC-400 D
D1
C12 0.1
1SS352
C11 0.1
D +5
C10 0.1
IC5
2
1
HD6415108F10
+ C26 E
5 8 0
2 10/16 N 5 8 8
-
C
1 1
V V V
D +5
2 B C C C
3 D2 C C C
63
P4-7
1SS352
49 62
BREQ P4-6
R15
1
R5 112 61
D +5 STBY P4-5
56k
111 60
10k
MD2 P4-4
110 59
D MD1 P4-3
109 58
MD0 P4-2
D +5
57
IC8A P4-1
R19 56
D P4-0
96
4.7k
TXD2
95
RXD2
1 5 3 100
R13 94
TXD1
R14 100 93 45
RXD1 A23
44
IC8B A22
TC7W04F 43
A21
80 42
P6-7 A20
79 41
P6-6 A19
78 40
P6-5 A18
77 39
P6-4 A17
76 38
P6-3 A16
75
P6-2
RA2
74
EXBV8V101 P6-1
1 8
73
P6-0
2 7
36
A15
3 6
A14 35
4 5 34
A13
33
A12
RA3 EXBV8V332
4 5 32
72 P5-7 A11
3 6
71 31
P5-6 A10
2 7
70 30
P5-5 A9
RA7 1 8 29
69
P5-4 A8
4 5
68 P5-3
3 6
67
P5-2
2 7
66 P5-1
1 8
65 28
P5-0 A7
27
A6
EXBV8V332 C48
26
A5
0.1x8
25
A4
A3 24
C41 C43 C44 C45 C46 C47
C42 86 AN3 A2 23
85 22
AN2 A1
84 21
AN1 A0
83
D AN0
D +5
R48
C22 D15 19
10k 18
100/6.3 D14
87
AVCC D13 17
2 16
D12
+
R49
15
D11
10k
- 82 AVSS D10 14
1
13
R50 D9
D +5
D8 12
100k
D
92
IC27A IC27C SCK2/IRQ3
91 11
SCK1/IRQ2 D7
1 7 6 2
90 10
IRQ1 D6
89
IRQ0 D5
TC7W14F
D4
C34
D3
0.1
54 P3-7 D2
53
D P3-6 D1
52
P3-5 D0
51 P3-4
50 107
P3-3 RFSH
104
RD
105
HWR
106
LWR
98
103
EXTAL AS
RES
99
XTAL 48
BACK
DA2
47
WAIT
1SS302
1 2 102
E
2
101
NMI PHAI
3
R56
10k V V V V V V V V
D
S S S S S S S S
S S S S S S S S
DA3
D
1SS302
3 2 3 4 6 8 9 1
1 2 0 7 6 4 1 7 0
0
R30
3
10k
D
D
RESET
BAT
R7
1M IC20
R37
100k 5 TC7S04F
2 4
D +5
3
C40
D +5
0.1
D
C21
IC21
0.1
R9
5 TC7S32F
100 D
D +5
2 4 6
1 7 5
3 VCC R DLY 2
S +
IC4 C14
R8
0.1 T
TC7SU04F G
D -
680
1
4
1 4
IC3 C23
D
M51953AFP 1/50
C20 C19
5p 5p
D X1 D
MA406-20.000MHZ
clock
12 13 14 15 16 17
To LCD CN3
52806-1410
1 1 1 1 1
1 2 3 4 5 6 7 8 9 0 1 2 3 4
1 2 3 4 5 6 7 8 9 1 1 1 1 1
0 1 2 3 4
IC26A
R43
TC7W04F
10k
7 1
2 6 5
IC26C
D +5
IC26B
TC7W04F
IC24A
TC7W04F
TC75S51F
C36
R32
0.1
3
100
-
4
1
+ C35
R/W
0.1
RA5
D 8 7 6 5
EXBV8V221
D
D
RA6
1 2 3 4
R31
EXBV8V221
8 7 6 5
22k
2
2 E 7
+
1 2 3 4 1
-
IC25A
1
C50 D D D D D D D D
TC7W32F
7 6 5 4 3 2 1 0
10/16 D
RS
A19
IC10
A18
MASK ROM LH5S471Y
A17
(EPROM M27C4001-10F1)
A16
A18 31 21
D7 A15
A18 D7
A17 30 20 D6 A14
A17 D6
A16 2 19 A13
A19 D5
A16 D5
A18 A15 3 18 D4 A12
A15 D4
29 A11
A17 A14 17 D3
A14 D3
A16 A13 28 15 A10
D2
A13 D2
A12 4 14 D1
A12 D1
A11 25
13 D0
A11 D0
A10 23 A5
A10
A15 A9 26 A4
A9
A8 27
A14 A3
A8
A13 5 A2
A7
A7
6
A12 A6 A1
A6
7
A11 A5 A0
A5
A10 A4 8
A4
A9 A3 9
A3 D +5
A8 D7
A2 10
A2
A1 11 1
D6
A1 VPP
A0 12 32 D5
A0 VCC
D4
C16
A7 22 D3
CE
16 0.1
A6 24 D2
OE VSS
A5 D1
A4 D0
D
A3
D
A2
A1
AS
A0
WR
D7
D6
D +5
D5
D4 GPINT
R51
D3
10k
D2
D1
D0
IC11
TC7S00F
GAINT
D +5
IC25B
9
5
TC7W32F 1
8
7 6 4
6 3 2
5 5
3
4
R22
R24
220 RD
D
220 C17
R23 0.1
220
1
ENC A
WAIT
2 21
A16 D7
A16 I/O8
A15 31 20 D6
A15 I/O7
A14 3 19 D5
R10
A14 I/O6
100 A13 28 18 D4
A13 I/O5
A12 4 17 D3
A12 I/O4
A11 25 15 D2
A11 I/O3
A10 23 D1
14
A10 I/O2
26 13 D0
A9
A9 I/O1
A8 27
A8
5
D +5 A7
A7
A6 6
A6
1
A5 7
A5 NC
R36 A4 8
A4
4.7k A3 9
A3
10 BAT
A2
A2
A1 11 32
C51
A1 VDD
A0 12
0.001
A0 C15
0.1
22 16
D
CE1 GND
30
CE2
29
D
R/W
BAT
24
OE
D +5
5
1
IC2
4
TC551001CF-70L
2 R59
10k
C28
3 0.1
D
18 19 20 21 22 23
EN1A
EC16B24204
D +5 D +5
D +5
EN
R45 R46
L1
10k
10k A B
ACB3216M
1 3 2 IC22
B C7 D +5 SI-8221L
100/6.3 1 4
VO VIN
3 A 2 + - 1
2 G
+ 3
C31 N
R44
LIN D
220/10 -
10k C6 0.1
1
2
D
C5 0.1
D
C4 0.1
C3 0.1
IC6 1
1 5 9 2
TC6116AF
8 4 0 6
D +5 D
V V V V
R52 D D D D
D D D D
10k 114
XMSF
113
X68
112
XE
D
66
CA19
67
CA18
69 WA0
CA17
68
CA16
IC15
70
CA15
LH537NVP
71
CA14
WA20 43
74
CA13 A19
73 134 WA19 WA19 2
CA12 WA19 A18
WA18
76 135 WA18 3
CA11 WA18 A17
80 137 WA17
CA10 WA17 WA17 34
A16
136 WA16 WA16 35
WA16
A15
WA15 36
138 WA15
WA15 A14
75 WA14 WA14 37
CA5 WA14 139
A13
WA13
77 141 WA13 38
CA4 WA13 A12
WA12 WA12
79 CA3 WA12 140 39
A11
81 4 WA11 WA11 40
CA2 WA11
A10
WA10
84 7 WA10 41
CA1 WA10 A9
86 2 WA9
CA0 WA9 WA9 42
A8
144 WA8 WA8 4
WA8 A7
WA7
143 WA7 5
WA7
A6
85 WA6 WA6 6
1
CD7 WA6 A5
87 3 WA5 7
CD6 WA5 WA5
A4
89 5 WA4 WA4 8
CD5 WA4 A3
WA3 9
93 CD4 WA3 6 WA3
A2
95 8 WA2 WA2 10
CD3 WA2
A1
WA1
94 9 WA1 11
CD2 WA1 A0
92 WA0
CD1 WA0 11
88
CD0
12
CE
WD7
WD7 10 14
OE
99 12 WD6 33
RESET WD6 BYTE
100 ALE WD5 14 WD5
78 16 WD4
DS(RD) WD4
72 20 WD3
R/W(WR) WD3 D
WD2
97 17
CS WD2
WD1 15 WD1
13 WD0
WD0
102
WAIT
107
GPINT
D +5
WA20
133
WCS7
115 132
EXWAIT WCS6
111 131 R6
INT5 WCS5
110 INT4 WCS4 130 10k
109
129
INT3 WCS3
108 128
INT2 WCS2 R1
101
125 D
GAINT WCS1 10k
WCS0
124
WCS0 IC1
LC33832M-10-TLM
116
CS7
98 EA14 1 19
CS6 EA14 45
A14 I/O7
82 42 EA13 26 18
CS5 EA13 A13 I/O6
2
83 CS4 EA12 43 EA12 17
A12 I/O5
118 23 16
CS3 EA11 36 EA11
A11 I/O4
117 EA10 21 15
CS2 EA10 33
A10 I/O3
52 CS1 EA9 38 EA9 24 13
A9 I/O2
96 25
CS0 EA8 40 EA8 12
A8 I/O1
EA7 41 EA7 3 11
A7 I/O0
53 4
RSCD EA6 39 EA6
A6
56 EA5 5
RWWR EA5 37
A5
57 35 EA4 6
LERD EA4 A4
7
EA3 34 EA3
A3
65 32 EA2 8
LD7 EA2 A2
D +5
64 LD6 EA1 30 EA1 9
A1
28 28
63 LD5 EA0 EA0 10
A0 VCC
62
LD4
61 LD3 20
CE
29 ED7
60 LD2 ED7 27
WE
14
59 27 ED6 22
LD1 ED6
OE VSS
58 LD0 ED5 25 ED5
23
ED4 ED4
103 21 ED3
IOCK ED3 D
22
105 CK ED2 ED2
ED1 24 ED1
26 ED0
ED0
BS 46 SC5
47
MT SC4
RO 48 SC3 EWE 44
RE 49 SC2 ECS 31 R3
ST 50
SC1 100
51 SC0
SD 119
R4
121
SCK
120
DACA(LE) 100
122
DACC(MX)
123
DACB(INH) R2
100
RA9
106 9
TEST
RCE9A473
D0 8
G G G G G G
D1 7
N N N N N N
D2 6
D D D D D D
D3 5
D +5
1 5 9 1 1 1 D4 4
9 5 1 0 2 4
3
D5
4 7 2
1
D6 2
D7
D
MAIN BOARD ASSY(1/2)
BS
LED1
MT
LED2
RO
LED3
RE
LED4
ST
LED5
DR-202
24 25 26 27 28
SW1A
C30 HSW0847-01-010 JK2
HEC2392-01-150
470/16 1
2 2 1 2
3
3
2 2
D5
+
D4 1
U1BC44
- U1BC44 5
1 1 4
A +9
BATTERY-
2
BATTERY+
+
C32
- 470/16
1
A
IC23C
D +5 D +5
IC24B
UPC4072G2
TC75S51F
5
8
-
C52 C33
-
0.1 + 0.1
+
2
4
31
*/D15
29
D14 D D
27
D13
25
D12
22
D11
20
D10
18
D9
16
D8
WD7
30
D7
28 WD6
D6
26 WD5
D5
24 WD4
D4
21 WD3
D3
19 WD2
D2
WD1
17
D1
15 WD0
D0
1
NC
44
NC
D +5
23
VCC
C2
0.1
13
GND
32
GND
D
IC26D
IC25C
D +5
TC7W04F
TC7W32F
D +5
8
8
ED7 4 C54
ED6 4 0.1
ED5
C18
ED4
D D
0.1
ED3
ED2
D +5 IC8D
ED1
IC8C TC7W04F
ED0
TC7W04F
8
6 2
4 C27
0.1
D D
C1
D +5 IC27D
0.1
TC7W14F
IC27B
TC7W14F
8
3 5
D
C60
4 0.1
D D
D +5
IC13
BU9480F
8
V
5 4
D
LXR LOUT DA LOUT
D
7 1
SCK ROUT DA ROUT
6 G 2
SD REF
N
D
2
C8
+
3
C9
0.1
-
47/6.3
1
D
9