CONFIRMATION STEP 1: AUDIO PANEL SWITCH CONFIRMATION [ENTIRE AUDIO SYSTEM]
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How to activate audio panel switch confirmation mode (with audio system)
1. Turn the audio unit power to on.
2. While pressing the POWER/VOLUME switch, simultaneously press the Preset switch“3” switch for approx. 0.2 s.
3. The audio panel switch confirmation mode is now activated.
STEP |
INSPECTION |
ACTION |
|
---|---|---|---|
1
|
• Press each switch on the audio panel.
• Does buzzer sound when pressing each switch?
|
Yes
|
Verify the customer complaint and then go to the appropriate symptom troubleshooting procedure.
|
No
|
Go to the next step.
|
||
2
|
• Disassemble and reassemble the audio panel and audio unit.
• Activate the audio panel switch confirmation mode.
• Does buzzer sound when pressing each switch?
|
Yes
|
Go to the next step.
|
No
|
Replace the audio unit.
|
||
3
|
Does the audio system operate properly?
|
Yes
|
The system is normal.
|
No
|
Verify the customer complaint and then go to the appropriate symptom troubleshooting procedure.
|