NJD IQ250 mk3 Schematic

IQ250Mk.3

R9 470 ¼W

R10 470k ¼W

R6 22k ¼W

R7 22k ¼W

R8 22k ¼W

R2 10k ¼W

R3 22k ¼W

R4 100k ¼W

R5 22k ¼W

R1 680 ¼W

R15 120 ¼W

R16 470 ¼W

R17 22k × 8

R18 22k × 8

R19 470 ¼W

R20 120 ¼W

MIC1 condensor

microphone

(PIC16C74version)

C5 47nF Mylar

C6 2.2µF 63V

C7 1µF 63V

C8 100nF ceramic

C9 100nF ceramic

C10 10µF 16V

M1 24V FAN

M2 Stepper Motor

M3 Stepper Motor

M4 Stepper Motor

M5 Not Fitted

'N.J.D.Electronics1996.

D5 1N4148

D6 1N4148

D7 BZX55C 6V8

D8 BZX55C 6V8

D9 1N4148

R11 100k ¼W

R12 47k ¼W

R13 22k × 9

R14 22k ¼W

S1 DIL switch

C4 4700µF 25V

X1 16MHz

D4 red LED

R21 100 ¼W C1 1µF 63V

RLA1 12V 12A

C2 470nF polyester

C3 1000µF 25V

C11 15pF ceramic

C12 15pF ceramic

C13 100nF ceramic

D1 1N5402

D2 1N5402

D3 1N4004

C3

D3

C12

C11

X1

12V

Skt

Jack

R16

0V

R2

R4

R13i

Lamp

12V

D1

M1

C4

D2

MIC1

C8

IC5

C10

3

2

7

4

IC1

6

R3

C2

C5

C6

D5

TR2

D6

R10

TR3

16

7

15

14

20

R19

R13a - - - - - - - - h

C7

R11

R12

R15

2

21

22

23

243031

R17e-h

R8

11

Analogue

Inputs

R7

R6

8910

6

5

19

32

33

3

4

363738

18

R5

DMX address switches

S1a-h

IC2

39

R18a-d

R1

D8

C9

C13

D4

R21

D7

DMX

R14
R20

7

6

IC6

3

2

1

4

292726

35

42

41

43

44

IC3 ULN2803A

IC4 ULN2803A

IC5 7805

IC6 75176

TR1 BC639

TR2 BC182LB

TR3 BC212LB

IC1 741

IC2 PIC16C74L

D9

TR1

RLA1

7

8

9

111213

M5

6

4

5

IC4

1415161718

3

2

1

M4

7

5

6

8

9

11

IC3

12

13

14

M3

2

4

15

1

3

17

18

16

M2