Vectronics VEC-820K User Manual
Page 14
F EC-820K Instruction .t fanual
Cff Filter Kit
57. Connect the other end of the insulated wire located at the INPUT
location on the circuit board to
Point A
on SW 1. Solder in place and trim
the excess lead from the switch contact.
58. Locate capacitor C 11 (1 Ouf .
This is an electrolytic type capacitor
and will be marked "IOuF" with an arrow pointing to the negative
end.
59. Trim the positive lead of C 11 so about only 3/8" of the lead
60. Connect the positive lead of C 11 at
Point B
on SW 1.
Do not solder
this switch contact yet.
61. Connect the other end of the insulated %sire located at #3 on the
circuit board at
Point
Con SW l. Solder in place and trim the excess lead
from the switch contact.
62. Connect the other end of the insulated wire located at #2 on the
circuit board at
Point D
on SW 1. Solder in place and trim the excess lead
from the switch contact.
63. Connect the other end of the insulated wire located at #1 on the
circuit board at
Point F
on SW I. Solder in place and trim the excess
lead from the sNvtich contact.
64. Cut a 1 1/4" piece of wire from one of the remaining 3"
65. Using the wire strippers. remove a 1/4" piece of the insulation from
each end of the 1 1/4" wire.
66. Connect the t t/4" piece of wire between
Points B and E
on SW l.
Solder in place and trim the excess lead from the switch contact.
67. Locate (1) 14 pin IC socket.
68. Install the IC socket at the UI location on the circuit board. Be
careful to orient the socket correctly according to the "Parts Placement"
section Figure 1.
69. Carefully bend over the four corner pins of the socket against the
solder pads on the solder side of the board. Solder in place.
70. Locate the remaining 14 pin IC socket.
71. Install the IC socket at the U2 location on the circuit board. Be
careful to orient the socket correctly according to the "Parts Placement"
section Figure 1.
1