Final assembly (continued), Assemble the following components to the pc board – Elenco 3 1/2 Digit Cap. / Trans. Kit User Manual

Page 12

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Feed the battery snap wires through the slot on
the top case as shown in Figure U.

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Connect the battery and place it in the cavity of
the top case as shown in Figure V.

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Place the battery cover onto the case as shown
in Figure V. Hold the two sections together with
two M3 x 17.5 screws.

FINAL ASSEMBLY (continued)

Figure V

M3 x 17.5 Screws

Battery Cover

Battery

Figure U

Battery Snap Wires

Slot

Assembled PC Board (Back View)

Assembled PC Board (Front View)

-11-

ASSEMBLE THE FOLLOWING COMPONENTS TO THE PC BOARD

In all of the following steps

the components must be installed either on the top or bottom legend sides of

the PC board as indicated. The board is turned to solder the component leads on the opposite side
(installed on Bottom, soldered on Top, installed on Top, soldered on Bottom)

.

Figure D

Lay resistor flat against the
PC board.

R8 - 470k

Ω

5% 1/4W Res.

(yellow-violet-yellow-gold)

(see Figure A)

C6 - 22

μ

F Lytic Capacitor

(see Figure B)

R4 - 100k

Ω

5% 1/4W Res.

(brown-black-yellow-gold)

(see Figure A)

C5 - 100pF (101) Discap

R3 - 200k

Ω

5% 1/4W Res.

(red-black-yellow-gold)

(see Figure A)

C4 - .1

μ

F (104) Mylar Cap.

(small yellow)

C3 - .1

μ

F (104) Mylar Cap.

(small yellow)

R2 - 1M

Ω

5% 1/4W Res.

(brown-black-green-gold)

(see Figure A)

Figure A

Stand resistor on end as
shown. Solder and cut off
the excess leads.

White marking
on PC board

Figure B

Mount the capacitor with the negative (–)
lead in the negative hole and the positive
(+) lead in the positive hole marked on the
PC board. Mount the capacitor flat against
the PC board as shown.

Figure C

Mount the transistor
with the flat side in the
same direction as the
PC board marking.

Marking
on PC board

Flat
Side

Negative (–)
marking on
PC board

Negative (–)
marking on
capacitor

R7 - 470k

Ω

5% 1/4W Res.

(yellow-violet-yellow-gold)

(see Figure A)

T1 - 2SC9013 Transistor

(see Figure C)

R5 - 100k

Ω

5% 1/4W Res.

(brown-black-yellow-gold)

(see Figure D)

R6 - 1M

Ω

5% 1/4W Res.

(brown-black-green-gold)

(see Figure A)

R9 - 470k

Ω

5% 1/4W Res.

(yellow-violet-yellow-gold)

(see Figure A)

C1 - .1

μ

F (104) Mylar Cap.

(large brown)

R1 - 220k

Ω

5% 1/4W Res.

(red-red-yellow-gold)

(see Figure A)

C2 - .1

μ

F (104) Mylar Cap.

(small yellow)

Figure E

Insert the switch into the
PC board in the location
shown. Make sure that
the notch on the switch
is in the same direction
as the marking on the
PC board.

Insert the 9V battery
wires through the hole of
the PC board as shown.
Solder and cut off the
excess leads.

Black Wire

Red Wire

Top Legend Side

Bottom Legend Side

Mount switch in direction shown.

Notch

SW1 - Switch On/Off

(see Figure E)

BATT - 9V Battery Snap

(see Figure E)

Assembled View

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