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Roland Dr. Sample SP-303 - Circuit Diagram(SW)

Roland Dr. Sample SP-303
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32
Mar.2001 SP-303
CIRCUIT DIAGRAM(SW)
fig_SW.eps
PEAK
LED&VR
SW SCAN
SW5:FILTER+OD
SW8:PITCH
SW11:DELAY
SW14:START/END/LEVEL
SW17:REVERSE SW15:TIME/BPM
SW20:REC/SONG REG
SW21:RESAMPLE
SW38:TAP TEMPO
MARK
STEREO
A
EXT
SOURCE
4
8
7
3
2
6
1
5
CTRL 1
CTRL 3
/MFX
CTRL 2
SW39:C
SW13:QUANTIZE
SW10:LENGTH
SW7:SONG
SW19:HOLD
SW4:DEL
SW16:LOOP
SW6:MFX
SW18:D
SW3:CANCEL
SW12:ISOLATOR
SW9:VINYLSIM
D+3.3V
TO DIGITAL
SIDE CN6
TO DIGITAL
SIDE CN5
D
+
D
+
+
+
+
D
D
R87 270
R89 270
R91 270
R93 270
R95 270
R97 270
R101 270
R99 270
R103 270
R105 270
LED23 SML-010LTT86
12
R109 270
R107 270
Q12
2SA1586GR
1
3 2
LED34 SLR-342VCT32
1 2
R122 470
R121
100k
SW8 CA
1 2
SW11 CA
1 2
SW17 CA
1 2
SW14 CA
1 2
VR3
RK09K 50kB
1
2
3
VR2
RK09K 50kB
1
2
3
VR4
RK09K 50kB
1
2
3
DA2
1SS300
1 2
3
DA3
1SS300
1 2
3
DA4
1SS300
1 2
3
LED21 SML-010LTT86
12
LED15 SML-010LTT86
12
LED13 SML-010LTT86
12
LED11 SML-010LTT86
12
LED9 SML-010LTT86
12
LED7 SML-010LTT86
12
LED5 LNJ208R8ARA
12
LED3 LNJ208R8ARA
12
LED1 LNJ208R8ARA
12
SW10 CA
1 2
SW4 CA
1 2
SW39 CA
1 2
SW13 CA
1 2
DA6
1SS300
1 2
3
SW15 CA
1 2
SW6 CA
1 2
SW21 CA
1 2
SW18 CA
1 2
SW20 CA
1 2
SW12 CA
1 2
LED19 SML-010LTT86
12
SW19 CA
1 2
IC33
BU2090F
VDD
16
DATA
2
CLOCK
3
GND
1
Q0
4
Q1
5
Q2
6
Q3
7
Q4
8
Q5
9
Q6
10
Q7
11
Q8
12
Q9
13
Q10
14
Q11
15
CN10
RIBON CABLE 13P
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
SW16 CA
1 2
SW7 CA
1 2
SW38 CA
1 2
SW5 CA
1 2
DA1
1SS300
1 2
3
SW3 CA
1 2
DA5
1SS300
1 2
3
DA13
1SS300
1 2
3
SW9 CA
1 2
C148
0.1
C149
0.1
C150
0.1
CN8
RIBON CABLE 14P
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
IC34
BU2090F
VDD
16
DATA
2
CLOCK
3
GND
1
Q0
4
Q1
5
Q2
6
Q3
7
Q4
8
Q5
9
Q6
10
Q7
11
Q8
12
Q9
13
Q10
14
Q11
15
LED17 SML-010LTT86
12

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