Tip & How-To about Cooper Industries Weller Field Soldering Iron, Controlled Output

Step by step procedures for soldering.

Most repair procedures on modern TVs require some kind of soldering. It is not a process which you can learn without spending some time getting the proper equipment and practicing until you can make a good solder joint in your sleep.

First you need to understand that recently, within the last 5 years, the type of solder has been changed. Originally solder contained lead which can be dangerous, although I would wager that no one licks circuit boards! In order to make solder environmentally friendly more antimony has been added. This means that solder melts at a higher tempreture and does not adhere near as well. Flow is also compromised. Most solder joints now look like what we called cold solder joints in the past.

To be able to solder correctly you will need a good iron or better yet a soldering station. You will also need to purchase some lead based solder and some solder with no lead. This is because you do not know at this point what circuit you will be working on.

There are many vendors out there selling soldering equipment. http://www.mcminc.com http://www.encompass.com http://www.digikey.com just to mention a few.

The most versatile station would be a unit with an adjustable tempreture range. Then you can solder with lead based or non-lead solder. Lead based solder flows at about 750 degrees farenheith. The newer non-lead based solder flows at about 950 degrees farenheith. This means that you have to be extremely careful not to overheat components.

If you cannot afford a variable tempreture unit you should probably purchase several pencil gun units. I would recommend getting a 25 watt, 35 watt and a 50 watt unit. Also get a good solder ****** and some solder wick. Do not get the cheap wick as it does not work after it corrodes due to the oxygen in the air. You will need the solder wick to remove any bad parts.

When you are ready to solder let the iron or station heat up to the correct operating tempreture. Trying to solder too soon will give bad results. When the unit is hot and ready to go, place the tip (which should be conical) on the part to be soldered. Do not hurry it. Let it melt the solder and wait to see it flow before adding solder wick or removing the part.

Reverse the procedure when soldering in a part. Do not have the iron in contact with the part any more than necessary as you may overheat the unti and damage it.

If you follow these instructions you should be able to solder any board, part or device which needs it.

Thanks for using FixYa and for the great rating.

hardrocko

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