TEST EQUIPMENT AND FAULT DIAGNOSIS
Several of the previous chapters in this book contain servicing and setting-up hints relating to the equipment dealt with there. It is the purpose of this chapter to concentrate on servicing and diagnostic matters entirely, since many readers are likely to be concerned with maintenance and repair to a greater or lesser degree.
SAFETY
For all equipment which operates from domestic mains supplies the first concern in servicing should be safety, particularly from electric shock hazard. While a risk of shock from internally generated voltage is present all the time the covers are removed, the most dangerous shock hazard is that of completing a circuit from mains live to earth. Since TV aerial systems ...
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