Circuit Diagram (Jack) - Roland Dr. Rhythm DR-770 Service Notes

DR-770
A

CIRCUIT DIAGRAM (JACK)

B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
VR Board
VR301A
RK14K124 50kB *2
CN301
6 2 5
6
5
5
To Jack Board 4
4
CN 101 3
3
2 1 6
2
1
1
VR301B
WIRING HARNESS C RK14K124 50kB *2
VR301C
RK14K124 50kB *2
VREF 4.0V
R101 C107
R110 6
56k 0.033 -
ENC Board 3.3k 7
5
+
IC101B
C101 R109 UPC4570
EN201A 10/16 3.3k C110
EC16B24204 E N E N
150p
A B A B
CN201
EN201B A
EC16B24204
To Jack Board 3
3
2
CN 103 2
1
1
C112
WIRING HARNESS B
0.033
IC102A
UPC4570
C114 R115 R116 2
-
10/16 3.3k 3.3k
3
+
Jack Board
L101 C117
SBT-0460 R119 VREF 4.0V
150p
56k
CN104
L102 A
To Main Board 1 SBT-0460 C120
1
CN1 2 0.033
2
3 R120 IC102B
3
4 R123 R124 6 UPC4570
56k -
4
5 3.3k 3.3k
5
6 5
+
6
C122
WIRING 6P C125
A 10/16
150p
CN103
MIDI OUT MIDI IN JK107
53254-0310(3P) A
JK108 M-S2-3P
M-S2-3P
3
3
2 To ENC Board 3 1 3 1
2
1 CN201 5 4 5 4
1 2 2
D +5
R144 100 L108 SBT-0460
CN102
1 R145 120 L109 SBT-0460
1
2 D
2
3
3
R146 220 L110 SBT-0460 C157 C159
To Main Board 4
4
5 100p 100p R129
CN2 5
6 10k
6
7 R147 220 L111 SBT-0460 3
7
8
8
9 Q104
9
10
10
2SA1049
11
11
C158 C134
WIRING 11P
D 0.1 D 47/16
C160
IC104
0.1 D +5 7805AHF
D A
3
O U T
A +8 A +8 A +8
C138
IC101C IC102C IC103C C139
100/6.3
UPC4570 UPC4570 M5216FP 0.1
- - -
C130 C131 C132
0.1 0.1 0.1 D A
+ + +
A +9
VREF 4.5V
A A A
R142
4.7k
C154 R143
470/16 4.7k
A
1
S W 6
DA 2
E N T ER
1SS3 00
1 2
1
S W 7
DA 5
F W D
1SS3 00
1 2
1 2 1
S W 1 3 S W 1 4 S W 1 5
DA 8 DA 9
STOP/EXI T B W D >(right)
1SS3 00 1SS3 00
1 2 1 2 1 2
1 2 1
S W 2 1 S W 2 2 S W 2 3
DA 12 DA 13
STAR T RESET <(left)
1SS3 00 1SS3 00
1 2 1 2 1 2
1 2 1
DA 16 DA 1 7
1SS3 00 1SS30 0
S W 2 9 S W 3 0 S W 3 1
R E C FLA M PA D B A NK
1 2 1 2 1 2
D +5
D104
1SS133
R103
1k
C102 D105
100p 1SS133
D D
+5
D
D106
1SS133
R105
1k
C104 D107
R106
18k
100p 1SS133
VREF 4.0V C106
D D
100p
R107
10k
2
-
1
3 +
C108
IC101A R111 R112
10/16
UPC4570 1k
56k
CN101
6 A
6
5
5
4
4
3 To VR Board
VREF 4.0V 3
2
2 CN301
1
1
A
C146 IC106 C113
R113
2.2/25 2.2/25 53254-0610(6P)
18k IC103A
1 2 7 2 M5216FP
CH1IN O U T 1 -
1
19 14 3
CH2IN O U T 2 + C115
R117 R118
C147 10/16
3 18 1k 56k
2.2/25 SIMIN1 SIMIN2
C118
C148 C149 150p
0.022 0.022
VREF 4.0V
4 17 A
SIMOUT1 SIMOUT2
C150 C151
C121
R121
0.47 0.47 2.2/25
5 16 18k IC103B R125
BASS1 BASS2
7 6 M5216FP 1k
-
7
C155 0.033 5
+ C123
6 VREF 4.0V R126
T R E 1 10/16
56k
15 C126
T R E 2
9
150p
DAT
10 C156 0.033
CLK
11 1
A
C S R E F
A +8
D +5
12 20
DVDD AVDD
C152 C153
C128
R128 R127
0.1 0.1
47/16
8 13 3.3k 22(1/2W)
D G N D AGND
D A A
M62421SP
C133 R134
R132
47/16
R130 22(1/2W)
3.3k
47k
A
3 R131
Q105
10k
2SC2459 JK106
3 2
SW101A L117
2, 5 3.6 1 4 1
R133 R135 3
~
10k 560 2 3
4 + - 3 SPUN19430A
HEC0740-010-10
SBT-0160W
Q106 D102
A D101 ~ A
2SC2459 1G4B42
MTZ8.2B
1
IN
C163 R136 R137 R139 R138
5.6(3W) 15(5W) 0(JUMPER)
10/35 1k
C136 C137
470/25 470/25
C140 D103
0.1
MTZ5.6C
IC105
UPC24M09AHF
3 1
O U T IN
C142 C143 C144
100/16 0.1 0.1
2 1 2 1 2
S W 1 S W 2 S W 3 S W 4 S W 5
DA 3 DA 4
^(up) 3 6 9 C H O RU S
1SS30 0 1SS30 0
1 2 1 2 1 2 1 2 1
2 1 2 1 2
S W 1 0
S W 8 S W 9 S W 1 1 S W 1 2
DA 6 DA 7
0 2 5 8 R E V E R B
1SS30 0
1SS30 0
1 2 1 2 1 2 1 2 1
2 1 2 1 2
S W 1 6 S W 1 7 S W 1 8 S W 1 9 S W 2 0
DA 1 0 DA 1 1
V(do wn) 1 4 7 D RU M K I T
1SS30 0 1SS30 0
1 2 1 2 1 2 1 2 1
2 1 2 1 2
S W 2 4 S W 2 5 S W 2 6 S W 2 7 S W 2 8
DA 1 4 DA 1 5
DELETE MIDI E F F E C T S T E P/REAL TEMPO
1SS30 0 1SS30 0
1 2 1 2 1 2 1 2 1
2 1 2 1 2
DA 18 DA 1 9
1SS3 00 1SS30 0
S W 3 2 S W 3 3 S W 3 4 S W 3 5 S W 3 6
C O P Y UTILITY PA D PTN/S ONG R O LL
1 2 1 2 1 2 1 2 1
14
D + 5
R102
10k
C103
100p
D
+ 5
D
R104
10k
JK101
3
4 F O OT SWITCH
1
C105
HLJ7001-01-3010
100p
D D
L103
JK102
SBT-0460
3
4
1 IND1
C111 1
0.0033
HLJ7101-01-3010
Q101
D T C 3 4 3 T K
A A A
L104
JK103
SBT-0460
2, 3
4
1 L / M O NO
C119 1 Q102
D T C 3 4 3 T K
0.0033 HLJ7101-01-3010
A A A
L105
JK104
SBT-0460
2, 3
4
1 R
C127 Q103
1
D T C 3 4 3 T K
0.0033 HLJ7101-01-3010
A A A
L106
SBT-0460
C129
0.0033
JK105
A L107
SBT-0460 2
3 P H O N E S
1
C135
C161
0.0033 YKB21-5130
100p
A A
C162
100p
AC 1 4 V
A
P12
P11
P10
P9
P8
P7
P6
P5
To Main Board(1/2)
P4
P3
P2
P1
P0
2
2
2
2
Main Board(2/2)
2
Feb. 1999