Final assembly – Elenco Digital / Analog Trainer Kit Version User Manual
Page 47

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FINAL ASSEMBLY
Fasten the front panel in
place with four #6 x 3/8”
thread cutting screws, as
shown in Figure I.
Fasten the PC board to
the spacer on the front
panel with a fiber washer
and a 4-40 x 1/4” screw
(from
Power
Supply
Section) from the foil side
of the PC board, in the
location shown in Figure J.
Fasten the pots to the front
panel with an 8mm washer
and a 7mm nut, as shown
in Figure I.
Turn the shafts on the two
switches
fully
counter-
clockwise.
Push
the
knobs onto the shafts so
that the line on the knob is
in
line
with
the
“Squarewave”
on
the
waveform control and “10”
on the Coarse Frequency
control (see Figure K).
If the knobs are loose on
the
shafts,
insert
a
screwdriver into the slot
and
expand
the
slot
slightly (see Figure M).
Turn the shafts on the pots fully counter-clockwise. Push the knobs onto the shafts so that the line on the
knob is in line with the end of the circle on the front panel, as shown in Figure L.
If the knobs are loose on the shafts, insert a screwdriver into the slot and expand the slot slightly (see Figure M).
Knobs
Nut 7mm
Nuts 7mm
Washers 8mm
Washer 8mm
#6 x 3/8” Thread
Cutting Screws
#6 x 3/8” Thread
Cutting Screws
Figure I
Washers 9mm
Nuts 8mm
Figure J
4-40 x 1/4” Screw
Figure M
10
100
1k
10k
100k
Figure K
WAVE FORM
COARSE FREQ
Figure L
Fiber Washer