Sound From Wireless Headphones Is Difficult to Hear, Cannot Be Heard, or Quality Is Poor

AUDIO / VIDEO: REAR SEAT ENTERTAINMENT SYSTEM: Sound from Wireless Headphones is Difficult to Hear, cannot be Heard, or Quality is Poor
- Sound from Wireless Headphones is Difficult to Hear, cannot be Heard, or Quality is Poor

INSPECTION PROCEDURE

PROCEDURE

1. CHECK WIRELESS HEADPHONE OPERATION

(a) Check wireless headphone operation.

(1) Check whether only one of the wireless headphones does not operate, or whether both wireless headphones do not operate.

Result:





B -- PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Problem Symptoms Table
A -- Continue to next step.

2. CHECK WIRELESS HEADPHONE (BATTERY)

(a) Check that the dry-cell battery of the wireless headphone is not depleted.

OK:

Battery is not depleted.

NG -- REPLACE WIRELESS HEADPHONE BATTERY
OK -- Continue to next step.

3. CHECK WIRELESS HEADPHONE SETTING

(a) Check the wireless headphone settings.

(1) Check that the volume is not set to "0".

(2) Check that "MUTE" is off.

OK:

The volume is not set to "0" and "MUTE" is off.

NG -- SET VOLUME TO HIGH AND TURN MUTE OFF
OK -- Continue to next step.

4. CLEAN INFRARED RAY RECEIVING PORTION

(a) Clean the infrared ray receiving portion on the television display assembly.





(b) Check whether the same malfunction occurs.

OK:

The function returns to normal.

NG -- REPLACE WIRELESS HEADPHONE

OK -- END

5. REPLACE WIRELESS HEADPHONE

(a) Replace the wireless headphone with a known good or new one and check if the same problem occurs again.

OK:

Same problem does not occur.

NG -- PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Problem Symptoms Table

OK -- END (WIRELESS HEADPHONE WAS DEFECTIVE)