Initial Inspection and Diagnostic Overview
INSPECTION AND VERIFICATION1. Verify the customer concern.
Visual Inspection Chart:
2. Visually inspect for obvious signs of mechanical or electrical damage.
3. If the fault is visually evident, GO to Symptom Chart. Symptom Related Diagnostic Procedures
4. If the fault is not visually evident, proceed to the Speaker Walk-Around Test and Audio Unit Self-Diagnostic Mode. Speaker Walk-Around Test Audio Unit Self-Diagnostic Mode