Download SERVICE MANUAL

CONTENTS
1. INTRODUCTION
7
2. MODIFICATIONS AND AMENDMENTS
8
3. TECHNICAL DESCRIPTION
10
4. TEST EQUIPMENT
21
5. FAULT FINDING
22
Introduction
22
Disassembly
25
Screen Faults
26
Picture Quality Adjustment
30
Sound Faults
31
Keyboard faults
32
Powering up (initialization) faults
35
Tape Cassette loading faults
38
Waveforms – general
40
6. ORDERING COMPONENTS AND RETURNING ITEMS
5
44