Vectronics VEC-1120K User Manual

Page 14

VEC-1120K/1130K/1140K/1180K Instruction

Manual

! ! 1. Install the 1.0-uH molded-choke (brown-black-gold) at the L2 location

designated by the silk-screened legend on the PC board. Solder.

! ! 2. Install and solder the 10-uH choke (brown-black-black) at location L3.

! ! 3. Install and solder the 470-pF monolithic capacitor (471) at location

C3.

! ! 4. Install and solder the 680-pF monolithic (471) at location C5.

Important Note: Capacitor C4 is not used in the 40-meter receiver.

! ! 5. Locate the 1.5-uH tunable-inductor. Note this part has five coil leads,

and two shield tabs to be inserted and soldered.

! ! 6. At location L1, align the coil leads to match the hole pattern and insert

coil L1.

! ! 7. While ensuring the can remains fully seated and standing vertical,

bend over the two shield tabs flush to the pc board foil and solder.

! ! 8. Solder the five coil leads.

This completes the installation of parts unique to the 40-meter receiver. Proceed
to the section titled "GENERAL ASSEMBLY".

VEC-1130K 30-Meter Receiver:

! ! 1. Install the .47-uH molded-choke (yellow-violet-silver) at the L2

location designated by the silk-screened legend on the PC board.
Solder.

! ! 2. Install and solder the 4.7-uH choke (yellow-violet-gold) at location

L3.

! ! 3. Install and solder the 330-pF monolithic capacitor (331) at location

C3.

! ! 4. Install and solder the 680-pF monolithic (681) at location C5.