LABC1 • 1 LEAD ACID BATTERY CHARGER KIT Ramsey Electronics Model No. LABC1 An educational kit that will come in handy around the shop and ga
LABC1 • 10 PARTS SUPPLIED WITH YOUR LABC1 KIT Capacitors 1 10 µF electrolytic capacitor [C2] 1 1000 µF electrolytic capacitor [C1] Resis
LABC1 • 11 RAMSEY "Learn-As-You-Build KIT ASSEMBLY There are numerous solder connections on the LABC1 printed circuit board. Therefore, PLEASE
LABC1 • 12 LABC1 BATTERY CHARGER KIT ASSEMBLY Although we know that you are anxious to complete the assembly of your battery charger kit it is best
LABC1 • 13 5. Install C1, 1000 µF electrolytic capacitor. This part also must be installed properly to function. In fact, this capacitor has the
LABC1 • 14 Take a moment now to check your previous solder joints for “opens” where the solder did not completely flow around the connection, or sold
LABC1 • 15 right, you can do it with the rest. These will all be mounted in stand-up fashion, just like D17 was a few steps ago. Again, the body of t
LABC1 • 16 ASSEMBLY INSTRUCTIONS FOR CUSTOM CASE The enclosure is a key element to the overall pride you will have upon completing your Ramsey kit.
LABC1 • 17 ADJUSTING YOUR LABC1 BATTERY CHARGER Now that you have finished the assembly stage there is only one more step before you start charging y
LABC1 • 18 SAFETY CONSIDERATIONS All lead-acid batteries produce Hydrogen and Oxygen gas during the electro-chemical recharging process. The producti
LABC1 • 19 that R4 is used in the SOC feedback loop that varies the charging terminal voltage in accordance with the battery’s present state. Lowerin
LABC1 • 2 RAMSEY TRANSMITTER KITS • FM100B Professional FM Stereo Transmitter • FM25B Synthesized Stereo FM Transmitter •
LABC1 • 20 TROUBLESHOOTING GUIDE If your LABC1 does not work correctly after construction, recheck the following: • correct orientation of VR1, and U
LABC1 • 21 CONCLUSION We sincerely hope that you enjoy the use of this Ramsey product. As always, we have tried to compose our manual in the easiest
LABC1 • 22 This page intentionally left blank. Don’t you hate it when people do this? Why don’t they just admit that they ran out of things to say!
LABC1 • 23 The Ramsey Kit Warranty Please read carefully BEFORE calling or writing in about your kit. Most problems can be solved without contacting
LABC1 • 24 Price: $5.00 Ramsey Publication No. MLABC1 Assembly and Instruction manual for: RAMSEY MODEL NO. LABC1 RAMSEY ELECTRONICS, INC. 590 Fisher
LABC1 • 3 LEAD ACID BATTERY CHARGER KIT Ramsey Publication No. MLABC1 Price $5.00 Quick Battery Theory ...4 Circuit Description
LABC1 • 4 Quick Battery Theory To begin, we should cover a few facts about lead acid batteries in general. Most traditional historians date the inven
LABC1 • 5 solution. As more energy is drained from the battery, the ratio of sulfuric acid to water decreases and the created lead sulfate byproduct
LABC1 • 6 plates on a regular basis or over an extended period of time, the charging process will not be able to restore the battery to its former fu
LABC1 • 7 batteries. Granted, that might take a while. The other support components on the board help VR1 to know when to adjust its output voltage u
LABC1 • 8
LABC1 • 9 LABC1 PARTS LAYOUT DIAGRAM
Comentarios a estos manuales