Ramsey Electronics dn1 Manuel d'utilisateur

DN1 • 1 Dr. NiCad BATTERY CONDITIONER/ RAPID CHARGER Ramsey Electronics Model No. DN1 Stop shelling out a fortune on batteries ! Enjoy f

DN1• 10 RAMSEY Learn-As-You-Build KIT ASSEMBLY There are numerous solder connections on the DN1 printed circuit board. Therefore, PLEASE take us ser

DN1 • 11 DN1 PARTS FINDER DIAGRAM

DN1• 12  1. Identify and install DPDT switch S2. Be sure to push the switches flat to the circuit board. Solder all six connections.  2. Install th

DN1 • 13  11. Install R1, 1K ohm [brown-black-red].  11. Install Q1, the power FET transistor [marked 7035]. Form the leads as shown prior to insta

DN1• 14  23. Select two of the 1uF electrolytic capacitors and solder the ground leads together.Install them as C3. Bend the ground leads away fro

DN1 • 15 present, giving us an accurate representation of one cell contained in the pack.  33. Install R21, 47K ohm [yellow-violet-orange].  34. I

DN1• 16 CONGRATULATIONS You have just completed your DN1 NiCad battery conditioner unit. Take a well deserved break now. Give your eyes a rest. Whe

DN1 • 17 Fill in the chart with the ratings imprinted on your batteries. This should help you to determine the proper jumper settings DN1 FINAL ASSE

DN1• 18 SETTING UP THE SWITCHES You’ll need to configure the row of DIP switches for your battery pack now. Since the minimum number of cells is at

DN1 • 19 indicator. By changing the ON / OFF times this LED becomes a charging status indicator! Use the following chart for an indication of what th

DN1• 2 RAMSEY TRANSMITTER KITS · FM10A FM25B FM Stereo Transmitters · FM100B Professional Quality FM Stereo Transmitter ·

DN1• 20 begin the Fast Charging mode. The Benchmark IC will constantly monitor the pack and turn off the fast charge when the cells are charged jus

DN1 • 21 handled by the doctor, but if you have several packs, be sure to rotate them (or maybe buy a few more Dr. NiCad Chargers). BATTERY REPAIR ??

DN1• 22 Use a methodical, logical troubleshooting technique. Most problems can be solved using common sense. A volt-ohm meter and a clear head are u

DN1 • 23 The Ramsey Kit Warranty Please read carefully BEFORE calling or writing in about your kit. Most problems can be solved without contacting t

DN1• 24 DN1 Dr. NiCad BATTERY CONDITIONER Quick Reference Page Guide Introduction to the DN1 ... 4 How it works ...

DN1 • 3 Dr. NiCad NiCad BATTERY CHARGER/CONDITIONERRamsey Publication No. MDN1 Price $5.00 TABLE OF CONTENTS Introduction to

DN1• 4 INTRODUCTION With today’s ever changing technologies, more appliances depend on battery power to enable their use. While this gives us great

DN1 • 5 oxidation reduction or “redox" chemical reaction in the cell, we effectively decrease the chemically active surface area inside the cell

DN1• 6 We designed our kit to change quickly and easily adapt to a variety of cell or battery pack types for anything from video camcorders to cordl

DN1 • 7 Since we want the voltage appearing at the IC to be equivalent to one cell, we first must “divide” the cell voltage by the number of cells

DN1• 8 DN1 PARTS LIST RESISTORS  1 270 ohm [red-violet-brown] (R12)  2 .5 ohm ½ Watt [green-black-silver] (R26, 27)  3 10 ohm [bro

DN1 • 9