Nokia 8270 Service Manual 5 nsd5ui

Programmes After Market Services

NSD-5 Series Transceivers

5. UI Module

Issue 1 05/02 Nokia Corporation

NSD-5

5. UI Module PAMS Technical Documentation

Page 2 Nokia Corporation Issue 1 05/02

NSD-5

PAMS Technical Documentation 5. UI Module

Contents

Page No

UI Module...................................................................................................................... 5

Introduction ..................................................................................................................5

Functional Description .................................................................................................5

Power Distribution Diagram ..................................................................................... 5

Keyboard Matrix ....................................................................................................... 5

Power Key................................................................................................................. 5

Keyboard................................................................................................................... 5

The Engine Interface................................................................................................. 6

UI Module Circuit Diagram .........................................................................................7

Issue 1 05/02 Nokia Corporation Page 3