REAR SEAT ENTERTAINMENT SYSTEM Sound from Wireless Headphones is Difficult to Hear, cannot be Heard, or Quality is Poor

PROCEDURE

1. CHECK WIRELESS HEADPHONE OPEARTION

   
   

   1. Check wireless headphone operation.

      
      

      1. Check if only one of the wireless headphones does not operate or both wireless headphones do not operate.

      Result
      Result Proceed to Sound is abnormal from the wireless headphones of only one the television display assemblies. A Sound is abnormal from the wireless headphones of both of the television display assemblies. B

   
   

   B

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   A

2. CHECK WIRELESS HEADPHONE BATTERY

   
   

   1. Check that batteries of the wireless headphone are not depleted.

      OK
      Batteries are not depleted.

      Result
      Proceed to OK NG

   
   

   NG

   REPLACE WIRELESS HEADPHONE BATTERY

   OK

3. CHECK WIRELESS HEADPHONE SETTING

   
   

   1. 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.

      Result
      Proceed to OK NG

   
   

   NG

   SET VOLUME TO HIGH AND TURN MUTE OFF

   OK

4. CLEAN INFRARED RECEIVING PORTION

   
   

   1. 

      Clean the infrared receiving portion on the television display assembly.

   2. Check whether the same malfunction occurs.

      OK
      Operation returns to normal.

      Result
      Proceed to OK NG

   
   

   OK

   END

   NG

5. REPLACE WIRELESS HEADPHONE

   
   

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

      OK
      Same problem does not occur.

      Result
      Proceed to OK NG

   
   

   OK

   END (WIRELESS HEADPHONE WAS DEFECTIVE)

   NG

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