Vectronics VEC-1120K - Manual (Page 15)

VEC-1120K/1130K/1140K/1180K Instruction Manual
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! ! 8. Solder the five coil leads.
This completes the installation of parts unique to the 30-meter receiver. Proceed
to the section titled "GENERAL ASSEMBLY".
VEC-1120K 20-Meter Receiver:
! ! 1. Install the .22-uH molded-choke (red-red-silver) at the L2 location
designated by the silk-screened legend on the pc board. Solder.
! ! 2. Install and solder the 2.2-uH choke (red-red-gold) at location L3.
! ! 3. Install and solder one of the 470-pF monolithic capacitors (471) at
location C3.
! ! 4. Install and solder a 470-pF monolithic capacitor (471) at C4.
! ! 5. Install and solder the remaining 470-pF monolithic (471) at location
C5.
Important Note: Capacitor C4 is not used in the 80-meter receiver.
! ! 6. Locate the .211-uH tunable-inductor (green coil form).
! ! 7. At location L1, align the coil leads to match the hole pattern and insert
coil L1.
Top of PC Board
Use these holes
for L1 leads!
! ! 8. While ensuring the coil remains fully seated and standing vertical,
solder the coil leads.
This completes the installation of parts unique to the 20-meter receiver. Proceed
to the section titled "GENERAL ASSEMBLY".
GENERAL ASSEMBLY
Resistor Installation:
! ! 1. Begin assembly by installing the ¼-watt fixed resistors. Because these
are all 5-percent tolerance ending with a fourth gold color band, you