Nokia 232, 239 Service Manual uifmod

After Sales Technical Documentation

THX–4 Series Transceiver

Chapter 5

DISPLAY MODULE

Original, 09/94

THX–4

After Sales

Display Module

Technical Documentation

CHAPTER 5 – DISPLAY MODULE

CONTENTS

Page No

Introduction 5–3
Technical Specifications 5–3

External Connectors 5–3
Display Module Connector J2 5–3
Side Volume Connector J2 5–4

Functional Description 5–4

Circuit Description 5–4

General 5–4
Display Driver 5–4
Display Driver D1 Signals 5–5
Side Volume Connector 5–5

Supply Voltages and Power Consumption 5–5

List of Figures

Figure 1: LCD/Driver Circuit Diagram 5–7
Figure 2: LCD PCB Circuit Diagram 5–8

Original, 09/94Page 5–2