Roland G-70 - Circuit Diagram (Left Control 1;6)

G-70
Feb.2005
113
112
CIRCUIT DIAGRAM (LEFT CONTROL 1/6)
MOD
SENDL
AGND
AUX_SENDR
AUX_RETR
SENDR
RETL
RETR
AGND
AUX_SENDL
AUX_RETL
SDA1
SCL1
SDA0
SCL0
SCL0
SDA0
SCL1
SDA1
BEND
AGND
+12V
-12V
+12V
-12V
-12V
-12V
5VREF
REF
A
A
A
A
D
+
5D
DD
VLED
REF
5VREF
+
5D
D
-12V
+12V
D
DDD
DD
D
REF
SDA0
SCL0
SDA1
SCL1
to
BENDER
UNIT
BENDER
MAX
MAX
MIN
MIN
MODULATION
BALANCE
MASTER VOLUME
EXT SOURCE VOLUME
+12V
-12V
MIXSNDL
MIXSNDR
MIXRTNL
MIXRTNR
AUXSNDL
AUXSNDR
AUXRTNL
AUXRTNR
TO MAIN BOARD
PART BAL
MODULATION
BENDER
TO RIGHT PANEL
TO AUDIO BOARD
(CN3)
(CN5)
(CN21)
C4
33uF
C58
100uF
16V
VR2A
RK14K1230
11
12
13
R9
8K2
CN3
S07B-PH-K-S
1
1
2
2
3
3
4
4
5
5
6
6
7
7
C59
100uF
16V
C8
100nF
R22
5K6
IC2A
UPC4570C
+
-
2
3
1
R20
1K
C11
100uF
16V
CN1
S4B-PH-K-S
3
4
2
1
C6
100nF
C1
NIU
C60
100uF
16V
R3 100
C13
100nF
R1
NIU
IC3C
UPC4570C
+
-
84
C19
100uF
16V
C55
100nF
R4
15K
C56
100nF
D1
BZX55C 5V1
12
C5
100nF
R12
1K
VR2B
RK14K1230
21
22
23
CN4
53015-1510
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
CN5
53015-0610 NIU
3
4
2
1
5
6
C7
100nF
C15
100uF
16V
VR3A
RK14K1230
11
12
13
R8
100
R23
1K
R18
5K6
R170
C17
100nF
R5
27K
D2
BZX55C 5V1
12
IC2B
UPC4570C
+
-
6
5
7
C3
100nF
R2
0
VR1
RK11K113003SA
1
2
3
C57
100nF
NIU
IC3A
UPC4570C
+
-
2
3
1
R19
1K
C12
100nF
R160
IC1C
M5218AP
+
-
84
R11
0
C18
100nF
R6
33K
IC2C
UPC4570C
+
-
84
R10
4K7
CN2
53015-0810
3
4
5
6
7
8
2
1
R150
C10
470uF
C61
100uF
16V
VR3B
RK14K1230
21
22
23
R21
5K6
C9
100uF
16V
IC1A
M5218AP
+
-
2
3
1
C14
100nF
R140
C2
100nF
IC1B
M5218AP
+
-
6
5
7
C16
100uF
16V
R13
5K6
R7
6K8
IC3B
UPC4570C
+
-
6
5
7