Ramsey Electronics FM10A Manuál s instrukcemi stáhnout pdf (Strana 5)

TS4 • 5

RAMSEY Learn-As-You-Build KIT ASSEMBLY

There are many solder connections on the TS4 printed circuit board. There-

fore, PLEASE take us seriously when we say that good soldering is essential

to the proper operation of your transmitter!

• Use a 25-watt soldering pencil with a clean, sharp tip.

• Use only rosin-core solder intended for electronics use.

• Use bright lighting; a magnifying lamp or bench-style magnifier may

be helpful.

• Do your work in stages, taking breaks to check your work. Carefully

brush away wire cuttings so they don't lodge between solder connec-

tions.

We have a two-fold "strategy" for the order of the following kit assembly steps.

First, we install parts in physical relationship to each other, so there's minimal

chance of inserting wires into wrong holes. Second, whenever possible we in-

stall in an order that fits our "Learn-As-You Build" Kit building philosophy. This

entails describing the circuit that you are building instead of just blindly install-

ing components. We hope that this will not only make assembly of our kits

easier but help you to understand the circuit you’re constructing.

For each part, our word "Install" always means these steps:

1. Pick the correct part value to start with.

2. Insert it into the correct PC board location.

3. Orient it correctly, follow the PC board drawing and the written

directions for all parts - especially when there's a right way

and a wrong way to solder it in. (Diode bands, electrolytic capacitor

polarity, transistor shapes, dotted or notched ends of IC's, and so

forth.)

4. Solder all connections unless directed otherwise. Use enough heat

and solder flow for clean, shiny, completed connections.

SINGLE SIDED COMPONENT SOLDERING INSTRUCTIONS:

You’ll notice that the circuit board contains plating on only one side of the

board. This makes soldering relatively easy for even the inexperienced kit

builder. Just take your time and be sure to apply enough heat to the connec-

tions. Don’t be too afraid of overheating a component; most are fairly hardy

and a weak connection will prevent your kit from working properly.

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Ramsey Electronics FM10A Manuál s instrukcemi Strana 5