Elenco Electronics M-1250K, Assembly And Instruction Manual

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ASSEMBLE COMPONENTS TO THE PC BOARD

After each step, put a check in the box located next to the step that you have completed.

R28 - 3M

Ω

1% 1/2W Resistor

(orange-black-black-yellow-brown)

C4 - .001

μ

F (102) Capacitor

D1 - 2CZ Diode

(see Figure D)

R24 - 10k

Ω

Potentiometer

(see Figure H)

2.5” Violet Wire (tin both ends)

Jumper Wire

(see Figure I)

R27 - 4.5

Ω

1% 1/4W Resistor

(yellow-green-black-silver-brown)

R22 - 18.5

Ω

1% 1/4W Resistor

(brown-gray-green-gold-brown)

Q2 - A1015 Transistor

(see Figure C)

F1 - Fuse Clips, Fuse 0.5A

(see Figure J)

R10 - .04

Ω

Shunt Wire

(see Figure G)

Mount the 10k

Ω

potentiometer

to the foil side of the PC board
in the location shown.  Solder
and cut off the excess leads.

Use the 65mm bare wire (27AWG) as a jumper wire
and mount it flush against the PC board as shown.

Figure I

Jumper Wire

Mount the fuse clips to the location shown on the PC
board.  Make sure that the tabs are in the direction
shown below.  Solder and 

cut off the excess leads

.

Insert the fuse.

Figure J

Mount the shunt
wire in the
location shown.
Give about 1/8”
clearance from
the PC board.
Solder into
place.

Figure H

10k

Ω

Pot

Figure G

Shunt Wire

Fuse Clips

Fuse

Tabs

Tabs