User Guide

NHB–3
Technical Documentation
PAMS
Desktop Charger CHH–2
Original 26/97 Page 3
Desktop Charger CHH–2
Contents
Desktop Charger CHH–2 4
General 4
Technical Summary 4
Operation 4
Charging Indication 5
Technical Specifications 5
Charge States and Charge Control 5
External Signals and Connections 6
Circuit Description 7
Control Logic 7
Prosessor Input/Output Signals 7
Processor A/D Inputs 7
Charging the Spare Battery 8
Discharging the Spare Battery 8
Watchdog Circuit 9
Block Diagram 10
Circuit Diagram 11
Layout and Foil Diagrams 12
Parts List Code: 0200184 13
Exploded View 16
Assembly Parts 16