C1
MP820
WARNING: All parts of this circuit are at mains live potential
FS2 F5A HBC
FS3 F5A HBC
FS4 F5A HBC
FS6 F5A HBC
FS7 F5A HBC
FS8 F5A HBC
L2 150µH 5A
L3 150µH 5A
L4 150µH 5A
FS1 F5A HBC
C4
FS5 F5A HBC
C5
D3
L1 150µH 5A
R23
C15
R4
R5 R6 R7 R8 R9
R10
R11
C14
MIDI
IN
R2
D2
C2
R1
D1
IC1
6
5
4
C3
16
CSR3
17
24
R15
D6
C8
R22
R13
X1
D13
14
11
12
28
4
6
10
13
15
IC2
2726
17
1
R21
D4
D12
R24
18
R20
D11
CSR8
C13
19
R19
D10
CSR7
C12
20
R18
D9
CSR6
C11
21
R17
D8
CSR5
C10
23
R16
D7
CSR4
C9
CSR2
R3
S1
S2 S3 S4
S5 S6 S7 S8
R12
2
25
R14
D5
CSR1
C7
C6
L8
L5 150µH 5A
L6 150µH 5A
L7 150µH 5A
L8 150µH 5A
© N.J.D. Electronics 1993.
CSR4 T0806MJ
CSR5 T0806MJ
CSR6 T0806MJ
CSR7 T0806MJ
CSR8 T0806MJ
X1 20MHz
D13 BZX85C 5V6
IC1 IS609
IC2 PIC16C55HS
NEUTRAL
R24 1M ¼W
R23 47 2W
CSR1 T0806MJ
CSR2 T0806MJ
CSR3 T0806MJ
D8 Red LED
D9 Red LED
D10 Red LED
D11 Red LED
D12 Red LED
R22 220k ¼W
D7 Red LED
CHANNEL 8
OUTPUT
R19 330 DIL
R20 330 DIL
R21 330 DIL
D4 1N4148
D5 Red LED
D6 Red LED
L7
FS8
FS7
CHANNEL 7
OUTPUT
R16 330 DIL
R17 330 DIL
R18 330 DIL
D1 Green LED
D2 1N4148
D3 1N4004
L6
OUTPUT
R15 330 DIL
C15 1µF Class X
L5
FS6
CHANNEL 6
OUTPUT
R13 470 ¼W
R14 330 DIL
C13 100nF Class X
C14 1µF Class X
L4
FS5
OUTPUT
CHANNEL 5
R11 22k SIL
R12 47k ¼W
C11 100nF Class X
C12 100nF Class X
L3
FS4
OUTPUT
CHANNEL 4
R9 22k SIL
R10 22k SIL
C9 100nF Class X
C10 100nF Class X
L2
FS3
CHANNEL 3
R8 22k SIL
C8 100nF Class X
FS2
CHANNEL 2
OUTPUT
R5 22k SIL
R6 22k SIL
R7 22k SIL
C5 15pF ceramic
C6 100nF Class X
C7 100nF Class X
L1
FS1
LIVE
CHANNEL 1
OUTPUT
R1 470 ¼W
R2 220 ¼W
R3 47k ¼W
R4 22k SIL
C1 1000µF 16V
C2 100nF ceramic
C3 2.2µF 63V
C4 15pF ceramic
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