Sound from Wired Headphones is Difficult to Hear, cannot be Heard, or Quality is Poor

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

Sound from Wired Headphones is Difficult to Hear, cannot be Heard, or Quality is Poor

INSPECTION PROCEDURE

PROCEDURE

1. CHECK HEADPHONE
(a) Check if the wired headphone's jack is securely connected.
OK:
Wired headphone's jack is securely connected.
NG -- SECURELY CONNECT JACK OF WIRED HEADPHONES
OK -- Continue to next step.

2. REPLACE HEADPHONE WITH NORMAL ONE AND CHECK
(a) Replace the headphone with a normal one and check if the same problem occurs again.
OK:
Same problem does not occur.
NG -- REPLACE DISC PLAYER
OK -- END (HEADPHONE IS DEFECTIVE)