Table of Contents
Advertisement
1. Safety Precautions
1.1. General Guidelines
1. When servicing, observe the original lead dress. If a short circuit
is found, replace all parts which have been overheated or
damaged by the short circuit.
2. After servicing, see to it that all the protective devices such as
insulation barriers, insulation papers shields are properly
installed.
3. After servicing, make the following leakage current checks to
prevent the customer from being exposed to shock hazards.
1.2. Touch-Current Check
1. Plug the AC cord directly into the AC outlet. Do not use an
isolation transformer for this check.
2. Connect a measuring network for touch currents between each
exposed metallic part on the set and a good earth ground such as
a water pipe, as shown in Figure 1.
Advertisement
Table of Contents
