Initial Inspection and Diagnostic Overview

INSPECTION AND VERIFICATION

1. Verify the customer concern.

Visual Inspection Chart:

2. Visually inspect for obvious signs of mechanical and electrical damage.
3. If the concern is visually evident, proceed to the Symptom Chart. Symptom Related Diagnostic Procedures
4. If the concern is not visually evident, proceed to speaker walk-around test and audio unit self-diagnostic mode. Speaker Walk-Around Test Audio Unit Self-Diagnostic Mode