Vectronics VEC-1500K Manuel d'utilisateur

5 .050" 18 .040" 19 .031" 21 .025" 23 .020" 25 .015" 28 .010" 31 As you can see, there's a lot of them!

6 No. 66 Regular3.3%No. 56Medium2.2%No. 50Small1.1% For general bench work and field repairs, "regular-core " (3.3%) solder delivers the mo

7 Base MetalSolderBase MetalSolder "wets" surface.Metallic oxide Solder retracts fromA. Cohesive forces pull solder into a ball. B. Adh

8 oxidation is more prevalent. The residue from RMA flux is relatively non-conductive and non-corrosive. RA Flux: "Rosin--fully ac

9 Flux JarFlux Syringe Flux Pen Flux Pastes are most often packaged in a small jars or a plastic syringes. Jar paste is applied to l

10 Purchasing and Using Solder--A Quick Review By now, you're probably getting the idea that "grabbing any old roll of solder" to do

11 LESSON 3 Soldering--Health and Safety Industrial hygienists evaluate occupational safety in terms of acute and chronic health hazards. Acute hazar

12 Chronic Hazards Lead Poisoning: Lead is a toxic substance that accumulates in the body over time. If toxic levels are reached, the impact on

13 LESSON 4 Soldering Irons Types of Irons: There are a lot of different soldering irons out there, and choosing the right one can be a

14 Transformer Powered Soldering Station: Transformer-powered soldering irons run on low voltage. Typically, a transformer unit enclose

IMPORTANT WARRANTY INFORMATION! PLEASE READ Return Policy on Kits When Not Purchased Directly From Vectronics: Before continuing any further with y

15 temperature regulation of a transformer powered bench station, but they get small jobs done quickly without need for running extensio

16 Heat SourceTipSolderable Metals ElementTipSolderable MetalsHotHeat Sinkin ConnectionCool ExchangeHeat Source Heat in Connection Mass, Temperature,

17 1. A more massive tip contributes more energy to a solder connection than a smaller tip (per degree of temperature rise). 2. A hotter

18 relatively small and run continuously, regulated element are larger and turn off as soon as the iron reaches a pre-set tip temperature. This li

19 Too Much Heat: When the iron is too hot, you may observe more smoke and an increase in flux spattering. You may also begin to see de-

20 Some manufacturers offer special variations such as the "bent conical tip" or "micropoint tip" for special applicat

21 LESSON 6 Tip and Iron Maintenance Soldering irons are subjected to the natural forces of oxidation, corrosion, and metal fatigue--but at

22 4. Never use the tip as a prying tool. Screwdriver tips shouldn't be used to pry up flattened-over leads or to wedge apart solder

23 Soldering Iron Cleaning and Maintenance Like tips, irons get "crusty" and need maintenance. These steps will help you restore per

24 LESSON 7 Soldering Applications Most hand soldering involves constructing circuit boards and wiring them into larger pieces of equipment.

When shipping, pack your kit well and include the minimum payment plus shipping and handling charges ($25.00 total). No work ca

25 Single-Sided Double-SidedDouble-Sided Plate-ThroughSolder SideComponent Side Multi-Layer Boards: With the advent of miniaturized computers and mas

26 experimental or home-made boards may be untreated copper. Clean copper is a highly solderable metal, but it oxidizes and corrodes rapidly

27 Solder should melt, flow, and wet the surface of the lead and pad to form a bright smooth connection. Rocking the iron slightly a

28 The objective is to solder the lead to the inside of the hole. Heat the lead and plate-through eyelet for about 1 second. Then, apply

29 Sleeve exposedshields "wicking"Wrap wire aroundterminalUse minimalsolderPlugAvoidDressinsulationclose To prevent exposing un-insulated

30 Wrap wire for mechanical holdChassis BNC connectorChassis DIN connectorSleeve exposed connector terminalsHeat hollow terminal pinSleeveApply solde

31 Not EnoughJust RightToo Much Common PC Board Problems: The three most frequent problems occurring with soldered connections are: Cold S

32 LESSON 8 Component Handling and Preparation We've looked closely at what happens on the bottom side of the board. This section

33 Multilayer caps are similar to a surface-mount "chip" capacitors, except that leads are spot-welded onto each end of the

34 Air-wound coils, toroids, and RF inductors belong to the same family of components, but offer no standard method of color-coding

i Table of Contents INTRODUCTION ... 1 VECTRONICS SOLDERING COURSE LESSONS... 2 LESS

35 Before soldering a transistor in place, be sure to check specific installation instructions or consult a technical data sheets for that

36 LESSON 9 Desoldering for Repair or Replacement In addition to installing parts, it's helpful to know how to get them out! If you work carefu

37 Vacuum Solder Suckers: This popular method of solder removal involves heating a connection, and then using vacuum to suck the molten sol

38 of the normal solder-removal methods. Many of these bench nightmares can be resolved with the help of a few simple tools. Electronic Shears: Ele

39 VECTRONICS SOLDERING COURSE QUIZZES These quizzes are designed to reinforce the material you've read in each lesson. Use them as a study

40 Lesson 2 Kinds of Flux 1. Flux prepares solderable metals by removing _______________ from the surface. 2. When a solderable surfac

41 Lesson 3 Soldering Health and Safety 1. A bucket of bricks falling from a 10-story roof is an/a (acute/chronic)_____________ workplace

42 Lesson 4 Soldering Irons 1. Some soldering irons have "grounded tips" and some do not. The purpose of grounding is to prevent (A.)

43 Lesson 5 Soldering Iron Tips 1. The three most popular types of tip are the chisel, ___________-__________, and ______________________

44 Lesson 6 Iron and Tip Maintenance 1. A moistened tip-cleaning sponge should be used (before/after)____-_________ making a solder connect

ii VECTRONICS SOLDER COURSE LAB... 49 Parts List ...

45 Lesson 7 Soldering Applications 1. For each PC board term (A-G), match a definition by number (1-7): A. single-sided 1. several PC board laye

46 Lesson 8 Component Handling and Preparation 1. When reading the value of a resistor, the first two color bands represent the first two digits a

47 Lesson 9 Desoldering for Repair and Replacement 1. Which is true for the "heat and pull" method of desoldering components?

48 Answers to quizzes Lesson 1 (1.) strong, low (2.) solid, plastic, liquid or liquidous (3.) A (4.) C (5.) eutectic (6.

49 VECTRONICS SOLDER COURSE LAB Parts List Your kit should contain all of the parts listed below. Please go through the parts bag to identify and

50 Parts Placement Diagram Step-By-Step Assembly Instructions First, a few notes and comments to help you along. Part designators fo

51 The term solder means to solder the part's leads in place, and to inspect both (or all) solder connections for flaws or solder bridges.

52 Based on the work to be done, select a soldering iron with the proper tip and operating temperature, and also the correct solder to

53  Install a 10K-ohm resistor (brown-black-orange) at location R10. Solder.  Install a 10K-ohm resistor (brown-black-orange) at loc

54  Install a .3” jumper wire at location JMP1 on the PC board. Solder.  Install the other .3” jumper wire at location JMP2 on the PC board. So

1 INTRODUCTION Like technology itself, the art and science of soldering has advanced a great deal over the years. This course covers all the latest

55  Install a .1-uF monolithic capacitor at location C4. Solder. Locate the 1N4148 silicon diode. Note this is a polarized device. The cathode ba

56  Install a 2N3904 transistor at location Q6. Solder.  Install a 2N3904 transistor at location Q7. Solder.  Install a 2N3904 transistor at

57 Inspect each socket carefully, and straighten any bent pins before attempting installation.  Install the eight pin IC socket at locatio

58  Install a jumper between points W3 and WD. Solder.  Install a jumper between points W7 and WH. Solder.  Install a jumper between points W

59 1 2 3 4 8 7 6 5InstallationKeyKeyInstallationPin Numbers  Align the key on the IC body so it corresponds with th

60 Operating Instructions Connect a fresh battery, and turn the power switch on. The LEDs should immediately begin flashing in sequence

61 Theory of Operation IC U1, a 555 timer, along with resistors R1 and R2, and capacitor C3 form a simple astable multivibrator circuit

62 Schematic

2 VECTRONICS SOLDERING COURSE LESSONS LESSON 1 Solder Alloys And Wire A few short years ago, choosing the right type of solder was easy--you boug

3 Plastic State: As solder begins to "melt", it first changes into a pasty, unstable, soft material. If a cooling solder joint is vibrated

4 circuits and where joint contraction might move tiny surface-mount parts out of position during cooling. As a rule, however, either type