CONFIRMATION STEP 1: AUDIO PANEL SWITCH CONFIRMATION
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• Make sure the customer complain and identify either the center panel malfunction or audio unit malfunction.
How to activate audio panel switch confirmation mode
1. Turn the audio system to ON.
2. Press both POWER SW and CLOCK buttons for a second at the same time.
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 switch on the center panel.
• Does buzzer sound when pressing each buzzer?
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Yes
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Make sure the customer complain 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 buzzer sound when pressing each buzzer?
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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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Make sure the customer complain and then go to the appropriate symptom troubleshooting procedure.
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