Commodore 1930 User Manual

Produced By:
Commodore International Spare Parts GmbH
Braunschweig, West Germany
SERVICE MANUAL
1930
VGA COLOR MONITOR
AUGUST, 1990 PN-314255-01
INTERNATIONAL EDITION
COMMODORE “INTERNATIONAL EDITION” SERVICE MANUALS CONTAIN
PART NUMBER INFORMATION WHICH MAY VARY ACCORDING TO COUN
TRY. SOME PARTS MAY NOT BE AVAILABLE IN ALL COUNTRIES.
Commodore Business Machines, Inc.
1200 Wilson Drive, West Chester, Pennsylvania 19380 U.S.A.
Commodore makes no express or implied warranties
with regard to the information contained herein. The
information is made available solely on an as is basis,
and the entire risk as to completeness, reliability, and
accuracy is with the user. Commodore shall not be
liable for any damages in connection with the use of
the information contained herein. The listing of any
available replacement part herein does not constitute
in any case a recommendation, warranty or guaranty
as to quality or suitability of such replacement part.
Reproduction or use without express permission, of
editorial or pictorial content, in any matter is prohibited.
This manual contains copyrighted and proprietary information. No part
of this publication may be reproduced, stored in a retrieval system, or
transmitted in any form or by any means, electronic, mechanical, photo
copying, recording or otherwise, without the prior written permission
of Commodore Electronics Limited.
Copyright © 1990 by Commodore Electronics Limited.
All rights reserved. Printed in U.S.A.

Commodore 1930 Specifications

General

Brand	Commodore
Model	1930
Category	Monitor
Language	English

Summary

Important Safety Notice

Safety Precautions

Picture Tube and ESD Safety

Safe handling and replacement of picture tubes and ESD precautions.

Parts Replacement Safety

Guidelines for using correct replacement parts to avoid hazards.

General Service Guidelines

Technical Specifications

Operating Specifications

Key electrical and performance parameters of the monitor.

Resolution and Input Standards

Details on display resolution and input signal compatibility.

Front and Rear Controls

Mechanical and Electrical Parts

Component Listing

List of mechanical and electrical components with part numbers.

Customer Adjustments

Service Adjustments Procedure

Adjustment Notes and Precautions

Important notes and safety precautions before performing adjustments.

Power Supply and Synchronization

Adjusting power supply voltage and horizontal/vertical synchronization.

Picture Geometry and Focus

Adjusting focus, linearity, amplitude, and position for optimal picture geometry.

VG2 and Brightness Settings

Setting the VG2 voltage and brightness for proper display output.

Color Purity Adjustment

Static Convergence Adjustment

Dynamic Convergence Adjustment

Interconnect Wiring Diagram

Schematic Diagram Notes

Chassis Removal and Installation

Signal Waveforms

Power Supply Schematic

Main PC Board Layout

Picture Tube PC Board Layout

Power Supply PC Board Layout

Replacement Parts List

LED and Chassis Miscellaneous Parts

Parts for LED assembly and general chassis components.

Capacitor Components

Detailed list of capacitors with specifications and part numbers.

Resistor Components

Diode, Coil, and Transformer Components

Transistor, IC, and Power Supply Parts

Picture Tube Panel Components

Professional Service Technician Safety Guidelines

General Safety Checks and Precautions

Covers general safety checks, fire/shock hazards, and implosion risks.

X-Radiation and High Voltage Safety

Safety procedures for X-radiation and high voltage circuits.

Electrical Leakage and Component Safety

Tests for electrical leakage and safety in part replacement.