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Velleman projects K1803 Assembly instructions User Manual

Page 5

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5

R1 : 100K (1 - 0 - 4 - B)

R2 : 100K (1 - 0 - 4 - B)

R3 : 100K (1 - 0 - 4 - B)

R4 : 100K (1 - 0 - 4 - B)

1. Resistors

R...

IC1 : 8p

2. IC socket, Watch the po-
sition of the notch!

AF IN (2x)

AF OUT (2x)

Power (+)

Power (-)

4. PCB pins

Construction

RV1 : 220K (250K)

6. Trim potentiometer

RV...

C1 : 10µF

C2 : 10µF

C3 : 10µF

C4 : 10µF

C5 : 10µF

5. Electrolytic capacitors.
Watch the polarity !

C...

IC1 : LM358

Pay attention

to the

position of

the notch!

7. IC mounting

R5 : 100K (1 - 0 - 4 - B)

R6 : 100K (1 - 0 - 4 - B)

R7 : 2K2

(2 - 2 - 2 - B)

3. Vertical resistors

R...