Vectronics VEC-221K User Manual
Page 13
VEC-221K Instruction Manual
CW Memory Keyer Kit
8
! ! 1. Cut the 12 inches wire into ten pieces of appropriate lengths for use as
jumper wires. Use needle-nose pliers to form each one, as shown
below, making sure each rests flat on the PC board when installed:
span
jumper wire
! !
Prepare, install, and solder a jumper wire at JMP1.
! !
Prepare, install, and solder another jumper wire at JMP2.
! !
Prepare, install, and solder another jumper wire at JMP3.
! !
Prepare, install, and solder another jumper wire at JMP4.
! !
Prepare, install, and solder another jumper wire at JMP5.
! !
Prepare, install, and solder another jumper wire at JMP6.
! !
Prepare, install, and solder another jumper wire at JMP7.
! !
Prepare, install, and solder another jumper wire at JMP8.
! !
Prepare, install, and solder another jumper wire at JMP9.
! !
Prepare, install, and solder another jumper wire at JMP10.
Note: Resistor installation: The resistors packaged in this kit are all 5-percent
tolerance ending with a fourth gold color band, only the first three bands
of the color code are needed for the following steps. All resistor leads
should be formed as shown below.
.4"
! ! 2. Find the 10 ohm resistor (brown-black-black). Install and solder at
location R5.
! ! 3. Find the four 1.5K ohm resistors (brown-green-red). Install and solder
at the following locations:
! !
R2
1.5K ohm resistor (brown-green-red)
! !
R3
1.5K ohm resistor (brown-green-red)
! !
R4
1.5K ohm resistor (brown-green-red)
! !
R7
1.5K ohm resistor (brown-green-red)