Nokia 2190 Instruction De Maintenance
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