Velleman MK140 User Manual

B

LA

CK

R

ED

9V Batte

r

y

START

c...

D...

CATHODE

C

◊ D1 : 1N4007

6

◊ IC1 : 8p
◊ IC2 : 14p

Soldering - Solderen - Soudage - Löten - Soldadura - Lödning - Juottaminen - Saldatura - Solda

max.

1 3

40W

1

Resistor - Weerstand- Résistance ­Widerstand - Resistencia - Motstand­Vastus - Resistenze

R...

DIODE

2

Watch the polarity!

Attention à la

polarité !

IC SOCKET

WATCH THE

POSITION

OF THE NOTCH !

!

ATTENTIONALA

POSITION DE
L’ENCOCHE !

◊ R1, R2 : 4k7

◊ R3 ... R14 : 22K

◊ R15 : 560

◊ R16 ... R18: 1K

◊ R19, R20 : 10K

◊ R21 ... R24 : 47K

◊ R25, R26 : 0

3

◊ C12 : 100nF (104)
◊ C13 : 100nF (104)

7

TRANSISTORS

2

(Yellow, Purple, Red) -(Geel, Paars, Rood) -(Jaune, Violet, Rouge) -(Gelb, Violet,
Rot) -(Gul, Lila, Röd) -(Keltainen, Purppura, Punainen) - (Amarillo, Morado,
Rojo) -(Amarelo, Violeta, Encarnado) - (Giallo, Viola, Rosso)

(Red, Red, Orange) -(Rood, Rood, Oranje) -(Rouge, Rouge, Orange) -(Rot, Rot,
Orange) -(Röd, Röd, Orange) -(Punainen, Punainen, Oranssi) -(Rojo, Rojo,
Naranjado) -(Encarnado, Encarnado, Laranja) -(Rosso, Rosso, Aranciato)

(Green, Blue, Brown) -(Groen, Blauw, Bruin) -(Vert, Bleu, Brun) -(Grün, Blau,
Braun) - (Grön, Blå, Brun) -(Vihreä, Sininen, Ruskea) -(Marrón, Azul, Marrón) ­(Verde, Azul, Castanho) -(Verde, Blu, Marrone)

(Brown, Black, Red) - (Bruin, Zwart, Rood) - (Brun, Noir, Rouge) - (Braun,
Schwarz, Rot) - (Brun, Svart, Röd) - (Ruskea, Musta, Punainen ) - (Marrón,
Negro, Rojo) - (Castanho, Preto, Encarnado) - (Marrone, Nero, Rosso)

(Brown, Black, Orange) - (Bruin, Zwart, Oranje) - (Brun, noir, Orange) - (Braun,
Schwarz, Orange) - (Brun, Svart, Orange) - (Ruskea, Musta, Oranssi) - (Marrón,
Negro, Naranjado) - (Castanho, Preto, Laranja) - (Marrone, Nero, Aranciato)

(Yellow, Purple, Orange) -(Geel, Paars, Oranje) -(Jaune, Violet, Orange) -(Gelb,
Violet, Orange) -(Gul, Lila, Orange) -(Keltainen, Purppura, Oranssi) - (Amarillo,
Morado, Naranjado) -(Amarelo, Violeta,Laranja)- (Giallo, Viola, Aranciato)

(Black) -(zwart) -(noir) -(Schwarz) -(Svart) -(Musta) -(Negro) -(Preto) -(Nero)

CAPACITORS

DIODE

4

3

3

CATHODE

◊ LD1

ELECTROLYTIC

8

CAPACITORS

Watch the polarity!

Attention à la

polarité !

9

...

5

◊ SW1 : power
◊ SW2 : Vocal reduction

◊ T1, T2 : BC547

◊ C1 : 470 µF
◊ C2 : 100 µF
◊ C3 ... C11 : 10µF

◊ SK2 : IN
◊ SK3 : OUT

SWITCHS

DUAL RCA JACK

TRIMMER

10

Trimpotentiometer - Potentiomètre de
réglage - Potentiómetro de
regulación - trimmeripotentiometri ­Trimme-potent iometer -Trimmer

◊ RV1 : 22K (25K) Mic Level

Line in

11

◊ SK1

SK2A

GND

GND

SK2B

SW1

+9V

Power

SK1

MICROPHONE

C12

C6
C7

C13

100n

100n

AUDIO CONNECTOR

D1
1N4007

C

1

470µ

GND

GND

C3

R15
560

10µ

GND

22K

R7

R9

effect

22K

10µ

10µ

effect

BC547

22K

R8

R10

22K

BC547

SCHEMATIC DIAGRAM

+V

+V

R1

4K7

LD1

GND

IC1B

5

Vref

6

NE5532

RV1

22K

R5

22K

IC2A

2

T1

3

TL074

Vref

GND

R11 22K

IC2B

6

T2

5

Vref

GND

IC

12

!

◊ IC1 : NE5532 or eq.
◊ IC2 : TL074 or eq.

1

SW2

effect

0

1 : bypass
0 : vocal reduction

Vref

C4

R16

7

1K

10µ

R19

10K

MIC

47K

R21

1

C8

R22

47K

10µ

Vref

47K

R23

C9

R24

47K

7

10µ

10K

R20

MIC

Vref

WATCH THE POSITION

OF THE NOTCH !

ATTENTION A LA POSITION DE

L’ENCOCHE !

+V

R3

22K

Vref

R4

C2

1

22K

+V

4 11

GND

R1222K

IC2C

GND

100µ

C5

22K

GND

MIC

10µ

C10

14

10µ

R13
22K

GND

C11

8

10µ

R14
22K

GND

+V

8

IC1A

3
2

NE5532

4

GND

4K7

R2

R6

IC2D

13
12

9

10

SK3A

1K

R17

GND

Line out

SK3B

1K

R18

GND