CONFIRMATION STEP 1: AUDIO PANEL SWITCH CONFIRMATION
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• Verify the customer complaint and identify the malfunction as occurring from either the center panel or the audio unit.
How to activate audio panel switch confirmation mode
1. Turn the audio system on.
2. Press the POWER button and simultaneously pull up the CLOCK switch for approx. 1 s.
3. The audio panel switch confirmation mode is now activated.
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STEP
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INSPECTION
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ACTION
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1
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• Press each button on the center panel.
• Does the buzzer sound when a button is pressed?
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Yes
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Verify the customer complaint and then go to the appropriate symptom troubleshooting procedure.
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No
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Go to the next step.
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2
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• Disassemble and reassemble the center panel and audio unit.
• Activate the audio panel switch confirmation mode.
• Does the buzzer sound when a button is pressed?
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Yes
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Go to the next step.
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No
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Replace the center panel.
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3
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• Does the audio system operate properly?
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Yes
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The system is normal.
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No
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Verify the customer complaint and then go to the appropriate symptom troubleshooting procedure.
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