Electrohome G05 Guide de dépannage télécharger pdf (Page 4)

Cinematronics Vector Monitor Repair Guide v.1.0

Page 4 of 53

THEORY OF OPERATION

To understand what goes on inside the Cinematronics monitor, we will first examine large general

groups of circuits. This will help avoid confusion and aid in a basic, concrete, knowledge of what

makes up the Cinematronics vector monitor. Having a good understanding of how the monitor

operates will greatly assist the reader in diagnosing and repairing their problems.

Unlike other vector monitors such as the Electrohome G05, or Wells-Gardner 6100, the

Cinematronics Vectorbeam monitor is comprised of a single PCB that spans the width of the

monitor frame. The Cinematronics monitor, while initially looking like a large mess of

components, can be divided into two basic sections: one is the deflection amplifier and the other is

the voltage and cathode drive circuits (the HV) – just like other vector monitors. Some of the

descriptions herein may be a bit confusing at first. Hopefully after reading the entire document,

things should become clearer. Grab some schematics and follow along.

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Electrohome G05 Guide de dépannage Page 4