Circuit Diagram (Panel-A Board) - Roland Juno-GJ Service Notes

128 voice expandable synthesizer with audio/midi song recorder
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Apr. 2006

Circuit Diagram (PANEL-A Board)

fig.diagram-panel-A@L
+ 5
C1 100/6.3
D
CN1
1
1
2
C2
0.1
2
3
D
3
4
SSD2
4
5
SSD1
5
6
SSD0
6
7
SD6
7
8
SD5
8
9
SD4
9
10
SD3
10
11
SD2
11
12
SD1
12
13
SD0
13
14
LSD2
14
15
LSD1
15
16
LSD0
16
17
LD6
17
18
LD5
18
19
LD4
19
20
LD3
20
D
21
LD2
21
22
LD1
22
23
JUMPER
23
24
R1
LD0
24
C3
NIU
24FE-ST-VK-N
D
D
From Panel B
3
board CN4
3
From Jack Board
3
RN2227
CN2
VR1A
VR1B
CN5
EVJY.15@
EVJY.15@
1
1
2
2
3
3
4
4
5
12
22
5
6
6
S6B-PH-K-S
VR1C
EVJY.15@
C4
C5
C6
100/6.3
100/6.3
100/6.3
+
+ 5
A
8
D
CN2
1
1
R13
2
2
3
3
R16
4
NIU
D-BEAM_AD
4
5
NIU
3
DBPULSE
5
6
6
7
7
8
VLINK
8
R46 JUMPER
S8B-PH-K-S
R E F
+ 5
D
A 8
-
LED22
L-314MB1C-SS
To Panel C
Board CN13
R25
1k
3
Q14
DTC114ES
D
42
D1
D2
SKRGADD010
SKRGADD010
SKRGADD010
SW1
SW2
1SS133
1SS133
1
2
1
2
1
SW8
SW9
SW10
D8
D9
SKRGADD010
SKRGADD010
SKRGADD010
1SS133
1SS133
1
2
1
2
1
SW15
SW16
SW17
D15
D16
SKRGADD010
SKRGADD010
SKRGADD010
1SS133
1SS133
1
2
1
2
1
+ 5
Q1
RN2227
LED1
LED2
LED3
Q2
RN2227
1
2
1
2
1
2
1
SLR-342VCT32
SLR-342VCT32
SLR-342VCT32
SLR-342VCT32
LED8
LED9
LED10
Q3
1
2
1
2
1
2
1
SLR-342VCT32
SLR-342VCT32
SLR-342VCT32
SLR-342VCT32
LED15
LED16
LED17
1
2
1
2
1
2
1
SLR-342VCT32
SLR-342VCT32
SLR-342VCT32
SLR-342VCT32
R2 NIU
R3 NIU
R4 NIU
R33
R34
R35
R36
JUMPER
JUMPER
JUMPER
JUMPER
LD0
3
LD1
3
LD2
3
LD3
Q4
Q5
Q6
DTC114ES
DTC114ES
DTC114ES
DTC114ES
NIU
NIU
NIU
D
D
D
+ 5
+
D
A
8
R10
R9
SR50TR@J
D22
SR50TR@J
10
2
10
D24 1SS133
D25 1SS133
LED21
1
2
1
+ 5
D
Q11
TLN233
R14 330k
TPS611
Q12
C7 10p
2SA933ASTPR
R18 100
NIU
3
Q13
2
-
2SD1858
R17
3
+
1.2k
R20
R21
10k
180
R E F
R E F
R52
JUMPER
C10
R51
JUMPER
0.1
D
C11
0.1
R E F
D3
D4
D5
SKRGADD010
SKRGADD010
SKRGADD010
SW3
SW4
SW5
SW6
1SS133
1SS133
1SS133
2
1
2
1
2
1
2
SW11
SW12
SW13
D10
D11
D12
SKRGADD010
SKRGADD010
SKRGADD010
1SS133
1SS133
1SS133
2
1
2
1
2
1
2
SW18
SW19
SW20
D17
D18
D19
SKRGADD010
SKRGADD010
SKRGADD010
1SS133
1SS133
1SS133
2
1
2
1
2
1
2
LED4
LED5
LED6
LED7
2
1
2
1
2
1
2
SLR-342VCT32
SLR-342VCT32
SLR-342VCT32
LED11
LED12
LED13
LED14
2
1
2
1
2
1
2
SLR-342VCT32
SLR-342VCT32
SLR-342VCT32
LED18
LED19
LED20
2
1
2
1
2
SLR-342VCT32
SLR-342VCT32
R5 NIU
R6 NIU
R7 NIU
R8
R37
R38
R39
JUMPER
JUMPER
JUMPER
NIU
3
LD4
3
LD5
3
LD6
3
Q7
Q8
Q9
Q10
DTC114ES
DTC114ES
DTC114ES
NIU
NIU
NIU
NIU
D
D
D
D
1SS133
D23 1SS133
1
1
2
R11
D26 1SS133
R12 2.2k
2
3.3k
D27 1SS133
2
1
2
R15
4.7k
C8 10p
R19 1k
1
6
-
7
C9
0.1
5
+
R22
IC1A
NJM2068D-D
R23
R24
IC1B
1k
NJM2068D-D
56k
220
R E F
R E F
+
A
8
A 8
-
-
+
IC1C
NJM2068D-D
A 8
-
D6
D7
SW7
1SS133
1SS133
1
2
SKRGADD010
SW14
D13
D14
SKRGADD010
1SS133
1SS133
1
2
SW21
D20
D21
SKRGADD010
1SS133
1SS133
1
2
1
JUNO-G/JUNO-G (J)
43

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