Kia Optima: Inspection - Speakers. Repair procedures - Audio - Body Electrical System - Kia Optima TF 2011-2022 Service ManualKia Optima: 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. If a noise is heard with the 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
Speaker
in operative
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.

■ Specified impedance : 2 ~ 4Ω

3. If the speaker works poorly, replace it with new one.

When handling the speakers:
- Do not damage the speaker with impact, like dropping or throwing it.
- Be careful not to drop water and oil on the speakers.
- Caution during handling of speaker because the material of diaphragm is paper which is easily torn by impact or external force.
- Modifying the audio system may cause damage the speakers. If this is the case, the speakers are not covered by the manufacturer's warranty.

Speakers. Repair procedures
...

Removal
Front Speaker 1. Remove the front door trim panel and speaker connector.(Refer to the BD group - "Front door") 2. Remove the front speaker (A) after loos ...

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