Vectronics VEC-221K User Manual
Page 10
VEC-221K Instruction Manual
CW Memory Keyer Kit
6
building. If any parts are missing or damaged, refer to the warranty section of
this manual for replacement instructions. If you can't positively identify an
unfamiliar item in the bag on the basis of the information given, set it aside until
all other items are checked off. You may then be able to identify it by process of
elimination. Finally, your kit will go together more smoothly if parts are
organized by type and arranged by value ahead of time. Use this inventory as an
opportunity to sort and arrange parts so you can identify and find them quickly.
"
Qty Part
Description Designation
!
1
10 ohm (brown-black-black)
R5
!
4
1.5K ohm (brown-green-red)
R2,R3,R4,R7
!
1
10K ohm (brown-black-orange)
R1
!
2
10K ohm potentiometer
R6,R8
!
2
22 pF disc ceramic (22 or 220)
C1,C2
!
7
0.01 uF disc ceramic (.01 or 103)
C10,C11,C12,C13,C14,C15,C20
!
7
0.1 uF disc ceramic (.1 or 104)
C3,C4,C5,C6,C7,C8,C9
!
1
0.47 uF electrolytic
C16
!
2
10 uF electrolytic
C17,C19
!
1
100 uF electrolytic
C18
!
1
Red 5 mm round LED
CR1
!
1
1N4007 rectifier diode
D1
!
1
2N7000 field-effect transistor
Q1
!
1
PIC16C72 microcontroller IC
U1
!
1
24C04 serial EEPROM IC
U2
!
1
LM386 audio amplifier IC
U3
!
1
78L05 +5-volt regulator
U4
!
1
1000 uH inductor (brown-black-red)
L1
!
1
4 MHz crystal
Y1
!
2
3.5 mm stereo jack
J1,J3
!
1
RCA phono jack
J2
!
1
12" length of #22 buss wire
For JMP1 - JMP10
!
6
DPDT push-button switch
SW1 - SW6
!
2
8-pin IC socket
For U2,U3
!
1
28-pin IC socket
For U1
!
1
9-volt battery snap clip
!
1
nylon tie wrap
!
1
PC board for VEC-221K
!
1
VEC-221K Owner's Manual
PARTS PLACEMENT DIAGRAM