vec-1006k.pdf

IMPORTANT WARRANTY INFORMATION! PLEASE READ

Return Policy on Kits When Not Purchased Directly From Vectronics: Before continuing

any further with your VEC kit check with your Dealer about their return policy. If your Dealer

allows returns, your kit must be returned before you begin construction.

Return Policy on Kits When Purchased Directly From Vectronics: Your VEC kit may be

returned to the factory in its pre-assembled condition only . The reason for this stipulation is,

once you begin installing and soldering parts, you essentially take over the role of the device's

manufacturer. From this point on, neither Vectronics nor its dealers can reasonably be held

accountable for the quality or the outcome of your work. Because of this, Vectronics cannot

accept return of any kit-in-progress or completed work as a warranty item for any reason

whatsoever. If you are a new or inexperienced kit builder, we urge you to read the manual

carefully and determine whether or not you're ready to take on the job. If you wish to change

your mind and return your kit, you may--but you must do it before you begin construction, and

within ten (10) working days of the time it arrives.

Vectronics Warrants: Your kit contains each item specified in the parts list.

Missing Parts: If you determine, during your pre-construction inventory, that any part is

missing, please contact Vectronics and we'll send the missing item to you free of charge.

However, before you contact Vectronics, please look carefully to confirm you haven't misread

the marking on one of the other items provided with the kit. Also, make certain an alternative

part hasn't been substituted for the item you're missing. If a specific part is no longer

available, or if Engineering has determined that an alternative component is more suitable,

Vectronics reserves the right to make substitutions at any time. In most cases, these changes

will be clearly noted in an addendum to the manual.

Defective Parts: Today's electronic parts are physically and electrically resilient, and

defective components are rare. However, if you discover an item during your pre-construction

inventory that's obviously broken or unserviceable, we'll replace it. Just return the part to

Vectronics at the address below accompanied with an explanation. Upon receipt, we'll test it.

If it's defective and appears unused, we'll ship you a new one right away at no charge.

Missing or Defective Parts After You Begin Assembly: Parts and materials lost or

damaged after construction begins are not covered under the terms of this warranty. However,

most parts supplied with VEC kits are relatively inexpensive and Vectronics can replace them

for a reasonable charge. Simply contact the factory with a complete description. We'll

process your order quickly and get you back on track.

Factory Repair After You Begin Assembly: Kits-in progress and completed kits are

specifically excluded from coverage by the Vectronics warranty . However, as a service to

customers, technicians are available to evaluate and repair malfunctioning kits for a minimum

service fee of $18.00 (½ hour rate) plus $7.00 shipping and handling (prices subject to

change). To qualify for repair service, your kit must be fully completed, unmodified, and the

printed circuit board assembled using rosin-core solder. In the event your repair will require

more than an hour to fix (or $36.00, subject to change), our technicians will contact you in

advance by telephone before performing the work. Defective units should be shipped prepaid

to:

Vectronics

1007 HWY 25 South

Starkville, MS 39759

When shipping, pack your kit well and include the minimum payment plus shipping and

handling charges ($25.00 total). No work can be performed without pre-payment. Also,

provide a valid UPS return address and a day time phone number where you may be reached.

VEC-1006K Owner's Manual

6 Meter FM Receiver Kit

INTRODUCTION

If you ever wanted to explore FM operation on the "magic band", here's the

perfect way! Building the VEC-1006K is a great hands-on way to acquire

important technical and radio-communication skills and widen your horizons as

a radio amateur. For example, you'll discover how to identify common

electronic components and read their electrical values. You'll learn how to read

pictorial diagrams and install parts on a printed circuit board. Plus, you'll have

the satisfaction of knowing you built it yourself! Detailed step-by-step assembly

instructions guide you through each stage of construction, and clearly-presented

alignment procedures ensure top performance without need for expensive test

equipment.

Once construction is complete, you'll enjoy countless hours listening as licensed

operators communicate around the region--or half-way around the world--using

FM-repeater stations. Six meters represents a whole new dimension of the

hobby, and the opportunities for truly long-range skip are phenomenal during

periods of high sunspot activity.

When it comes to pulling in weak signals, the VEC-1006K rivals most

commercially-built transceivers. In addition, its electronic tuning control covers

only those frequencies where FM repeaters operate. This makes stations easier

to tune in--without a lot of wasted space on the dial. And, just like a professional

transceiver, the VEC-1006K gives you a highly-effective adjustable squelch to

eliminate background noise between transmissions. The VEC-1006K consumes

minimal electrical current and can run for many hours from its self-contained 9-

volt flat-pack alkaline battery. Plug in an 8-ohm speaker or use headphones for

loud-and-clear reception. All circuitry is self-contained on a rugged 3.3" x 3.0"

PC board.

TOOLS AND SUPPLIES

Construction Area: Kit construction requires a clean, smooth, and well-lighted

area where you can easily organize and handle small parts without losing them.

An inexpensive sheet of white poster board makes an excellent construction

surface, while providing protection for the underlying table or desk. Well-

diffused overhead lighting is a plus, and a supplemental high-intensity desk lamp

will prove especially helpful for close-up work. Safety is an important

consideration. Be sure to use a suitable high-temperature stand for your

soldering iron, and keep the work area free of combustible clutter.

VEC-1006K Owner's Manual

6 Meter FM Receiver Kit

Universal Kit-building Tools: Although your particular kit may require

additional items to complete, virtually all construction projects require a work

area outfitted with the following tools and supplies:

¢ 30 to 60 Watt Soldering Iron

¢ High-temperature Iron Holder with Moist Cleaning Sponge

¢ Rosin-core Solder (thin wire-size preferred)

¢ Needle Nose Pliers or Surgical Hemostats

¢ Diagonal Cutters or "Nippy Cutters"

¢ Solder Sucker, Vacuum Pump, or Desoldering Braid

¢ Bright Desk Lamp

¢ MagnifyingGlass

Special tool for this kit:

¢ Insulated hex-head tuning wand.

¢ Small flat-blade screwdriver or tuning wand.

¢ Voltmeter, digital or analog.

¢ Six-meterantenna.

BEFORE YOU START BUILDING

Experience shows there are four common mistakes builders make. Avoid these,

and your kit will probably work on the first try! Here's what they are:

1. Installing the Wrong Part: It always pays to double-check each step. A 1K

and a 10K resistor may look almost the same, but they may act very

differently in an electronic circuit! Same for capacitors--a device marked

102 (or .001 uF) may have very different operating characteristics from one

marked 103 (or .01uF).

2. Installing Parts Backwards: Always check the polarity of electrolytic

capacitors to make sure the positive (+) lead goes in the (+) hole on the

circuit board. Transistors have a flat side or emitter tab to help you identify

the correct mounting position. ICs have a notch or dot at one end indicating

the correct direction of insertion. Diodes have a banded end indicating

correct polarity. Always double-check--especially before applying power to

the circuit!

3. Faulty Solder Connections: Inspect for cold solder joints and solder

bridges. Cold solder joints happen when you don't fully heat the connection--

VEC-1006K Owner's Manual

6 Meter FM Receiver Kit

or when metallic corrosion and oxide contaminate a component lead or pad.

Solder bridges form when a trail of excess solder shorts pads or tracks

together (see Solder Tips below).

4. Omitting or Misreading a Part: This is easier to do than you might think!

Always double-check to make sure you completed each step in an assembly

sequence.

Soldering Tips: Cleanliness and good heat distribution are the two secrets of

professional soldering. Before you install and solder each part, inspect leads or

pins for oxidation. If the metal surface is dull, sand with fine emery paper until

shiny. Also, clean the oxidation and excess solder from the soldering iron tip to

ensure maximum heat transfer. Allow the tip of your iron to contact both the

lead and pad for about one second (count "one-thousand-one") before feeding

solder to the connection. Surfaces must become hot enough for solder to flow

smoothly . Feed solder to the opposite side of the lead from your iron tip--solder

will wick around the lead toward the tip, wetting all exposed surfaces. Apply

solder sparingly, and do not touch solder directly to the hot iron tip to promote

rapid melting.

Desoldering Tips: If you make a mistake and need to remove a part, follow

these instructions carefully! First, grasp the component with a pair of hemostats

or needle-nose pliers. Heat the pad beneath the lead you intend to extract, and

pull gently. The lead should come out. Repeat for the other lead. Solder may

fill in behind the lead as you extract it--especially if you are working on a

double-sided board with plate-through holes. Should this happen, try heating the

pad again and inserting a common pin into the hole. Solder won't stick to the

pin's chromium plating. When the pad cools, remove the pin and insert the

correct component. For ICs or multi-pin parts, use desoldering braid to remove

excess solder before attempting to extract the part. Alternatively, a low-cost

vacuum-bulb or spring-loaded solder sucker may be used. Parts damaged or

severely overheated during extraction should be replaced rather than reinstalled.

Work Habits: Kit construction requires the ability to follow detailed

instructions and, in many cases, to perform new and unfamiliar tasks. To avoid

making needless mistakes, work for short periods when you're fresh and alert.

Recreational construction projects are more informative and more fun when you

take your time. Enjoy!

Sorting and Reading Resistors: The electrical value of resistors is indicated by

a color code (shown in the following chart). You don't have to memorize this

code to work with resistors, but you do need to understand how it works:

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