Kia Cadenza: AVN System / Speaker Repair procedures

Kia Cadenza YG 2016-2024 Service Manual / Body Electrical System / AVN System / Speaker Repair procedures

Inspection
1.
Troubleshooting for Speaker
(1)
Basic inspection of speaker
Inspect the sound from speaker after verifying that the speaker mounting screws are removed and the wiring connector is connected to remove any possible vibration transmitted from body trims and surrounding parts.

(2)
Case Troubleshooting
No.
Case
Inspection/Remedy
1
Trembling sound
1)
Before replacing the speaker, inspect that the mounting screw is installed normally.
2)
After re-installing the speaker, verify that no trembling sound is heard.
3)
When hearing a trembling sound again, replace the speaker with new one.
2
Noise
1)
Check if the wiring connector is connected normally. If not, reconnect the wiring connector.
2)
In case of radio static, check if there is a noise from CD.
3)
When a noise is heard on turning radio and CD on, replace the speaker with new one.
   
In case there is only radio static, this causes from poor radio reception. Thus the speaker needs no repair and replacement.
3
Poor working
Inspection of the wiring connection between the battery and the speaker
1)
Before replacing the speaker, inspect the wiring connection between the battery and the speaker is normal.
2)
Check the supply power to the speaker and the resistance, then inspect the sound quality.
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