Vectronics VEC-4001K User Manual
Page 17

VEC-4001K Owner’s Manual
Professional Function Generator
17
Locate three (3) 10K pots (marked B103 or B10K). Using a flat washer and a
nut, install each at the position indicated. Orient with solder terminals to the left
side:
! ! 84. Install a 10K pot at R1.
! ! 85. Install a 10K pot at R2.
! ! 86. Install a 10K pot at R3.
! ! 87. Find the 4P3P slide switch. Using 4-40 hardware, install at SW3.
! ! 88. Find the 2P2T slide switch. Using 4-40 hardware, install at SW1.
! ! 89. Find the 2.1-mm power jack. Position as shown, with the larger
riveted (+) terminal at the bottom. Using 2-56 hardware, install at J1
from the front side of the panel.
Locate four (4) 1-1/4" aluminum spacers. Using 6-32 screws, install on the front
panel at the positions shown:
! ! 90. Install a spacer above J3.
! ! 91. Install a spacer next to J1.
! ! 92. Install a spacer below R1.
! ! 93. Install a spacer above R2.
This concludes mounting of front-panel components. Double-check to make
sure each is positioned correctly. Begin wiring by installing a short jumper
between the power jack and power switch. Find a length of yellow wire and
prepare as follows:
! ! 94. Cut a 1 1/2" length of yellow wire. Remove 1/4" insulation from one
end and 3/8" insulation from the other.
! ! 95. Thread the stripped 3/8" end through the bottom two terminals of
SW1, as shown in the following diagram. Solder to both pins.
! ! 96. Connect the other end to the riveted (+) terminal of power jack J1
and solder (see followingdiagram).