Audio and Video Maintenance Plans and Procedures
The Residential Systems objective 2.10 states that the test taker should have knowledge of maintenance issues associated with typical audio and video systems found in residential settings.
Guidelines for Audio and Video System Maintenance
The following are recommended maintenance and operating guidelines that will aid in extending the life of components in a home audio/video system:
Maintain good speaker connections and avoid shorting out the wire pairs.
Turn down the volume before you turn off a receiver— The volume will remain at the level you turned it off at.
Keep the equipment dry— If it does get wet, wipe it dry immediately. Liquids might contain minerals that can corrode the electronic circuits. ...
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