Sony NE720LS User Manual

Troubleshooting

Should any problem persist after you have checked these symptoms, consult your nearest Sony 
dealer.

Power

The rechargeable battery cannot 

be charged.

 The rechargeable battery is not inserted in the battery 

compartment. Insert the rechargeable battery ( page 11).

 The CD is playing. Turn it off ( page 16)

 While the CD player is stopped, press /CHG.
 You press  on the remote. Press /CHG on the CD player.

Sound

The volume does not 

increase even if you turn the 

VOL +/– control on the remote in 

the + direction repeatedly (even 

if you press VOL + repeatedly on 

the player).

 “AVLS” is set to “ON.” Set it to “OFF” ( page 27).

 “AUDIO OUT” is set to “LINE OUT.” Set it to 

“HEADPHONE” ( page 28).

No sound, or noise is heard.

 Connect the headphones/earphones plugs firmly.
 The plugs are dirty. Clean the headphones/earphones plugs with 

a dry soft cloth periodically.

The volume cannot be adjusted.

 “AUDIO OUT” is set to “LINE OUT.” Adjust the volume using 

the volume control on the connected device, or set “AUDIO 
OUT” to “HEADPHONE” ( page 28).

A rustling noise is heard from 

the CD.

 Close the lid of the battery compartment firmly ( page 11).

When using the player with a 

stereo system connected, the 

sound is distorted or noisy.

 “AUDIO OUT” is set to “LINE OUT.” Adjust the volume of the 

connected device ( page 28).

 “AUDIO OUT” is set to “HEADPHONE.” Adjust the volume 

on the player ( page 28).

EQUALIZER items cannot be set 

up.

 “POWERSAVE” is set to “2” ( page 28).

Continued 

D-NE720/NE720LS.GB.2-541-637-11(1)