Vectronics VEC-1120K User Manual
Page 19
VEC-1120K/1130K/1140K/1180K Instruction
Manual
17
! ! 2. Stress relief is provided to prevent battery leads from flexing and
eventually breaking at their connection point. Find a hole part-way
back on the left edge of the PC board (near SW1). Use the plastic tie-
wrap provided in your kit to secure the battery leads in place, as shown
below. Insert the tie-wrap through the hole, close it over the wires,
and pull tight. Nip off the excess end.
Tie-wrap
Stress Relief
black
+
-
red
SW1
Push-rod
! ! 3. Locate the push-action DPDT power switch. Install at SW1,
positioning so the push-rod faces the board edge (see above). While
holding the switch body flush against the board, solder and trim the six
switch pins.
! ! 4. The gain control is mounted next. Before installing, inspect the 1000-
ohm potentiometer supplied with your kit. If the pins are located on
the front side of the pot, use the front set of mounting holes on the PC
board for installation. If the pins are on the rear, use the rear set of
mounting holes (see below). Also, using side cutters, remove the key
tab from the side of each pot prior to installation.
Rear pins use rear holes.
Front pins use front holes.
Nip off tab.
Nip off tab.
! ! 5. Locate the ¼” earphone jack, install at J2. The jack opening faces the
board edge. Solder all jack connections.