Test D: No Sound From One Or More Of The Speakers (Not All Speakers)
PINPOINT TEST D: NO SOUND FROM ONE OR MORE OF THE SPEAKERS (NOT ALL SPEAKERS)Normal Operation
The audio unit sends a varying AC voltage to the speakers. The AC voltage is converted to sound through the magnetic coil and speaker cone. Each speaker has a signal and return circuit, and the number of speakers varies from 2-6 speakers, depending on the system configuration.
This pinpoint test is intended to diagnose the following:
- Wiring, terminals or connectors
- Speaker
- Audio unit
NOTE: Prior to performing the pinpoint test, perform the speaker walk-around test to determine which speaker(s) has no sound. Component Tests and General Diagnostics