Ramsey Electronics LEAD ACID BATTERY CHARGER KIT, LABC1 manual Enough of that ... let’s get started

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RAMSEY "Learn-As-You-Build KIT ASSEMBLY

There are numerous solder connections on the LABC1 printed circuit board. Therefore, PLEASE take us seriously when we say that good soldering is essential to the proper operation of your battery charger kit!

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 connections.

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 install 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 installing 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 component with the proper value to start with.

2.Insert it into the correct PC board location.

3.Orient it correctly, following 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.

5.Trim or nip the excess component lead wire after soldering.

NOTE: Save some of the longer wire scraps nipped from resistors and capacitors. These will be used to form wire jumpers (JMP1, etc.) to be soldered in just like parts during these construction steps.

Enough of that ... let’s get started!

LABC1 • 11

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Contents Lead Acid Battery Charger KIT Ramsey Transmitter Kits Lead Acid Battery Charger KIT Quick Battery Theory State Specific Open Circuit Description LABC1 LABC1 LABC1 Parts Layout Diagram Semiconductors and Integrated Circuits Parts Supplied with Your LABC1 KITCapacitors Resistors and PotentiometersEnough of that ... let’s get started LABC1 Battery Charger KIT Assembly LABC1 1 3 3 B a c k Front View Front View after Bending Assembly Instructions for Custom Case Temperature J2 Terminal Voltage Adjusting Your LABC1 Battery ChargerSafety Considerations LABC1 Hints Troubleshooting GuideConclusion This page intentionally left blank Ramsey Kit Warranty Fishers Station Drive Victor, New York Required ToolsAdditional Suggested Items Ramsey ELECTRONICS, INC