Sony CDP-391 - Manual (Page 17)

Troubleshooting Guide
Before going through the check list below, first refer back to the connections and operating procedures.
Should any problem persist after you have made these checks, consult your nearest Sony service facility.
Symptom Cause Remedy
The disc tray does not close. The disc is not placed correctly. Place the disc correctly on the disc tray.
Play does not start. Dirty disc. Clean the disc.
The disc is inserted upside down. Insert the disc with the printed side up.
►II (or^, II) is engaged and the unit is in
the pause mode.
Press ►!! (or ►, II) again to release it.
Moisture condensation. Leave the player turned on for
approximately one hour.
“NO DISC" displayed. There is no disc in the unit. Insert a disc.
Sound is not heard. Loose connection. Insert the plug firmly.
Connection is incorrect. Check the connection referring to
"Connecting the CD Player”.
The PHONES LEVEL control is set to the
minimum.
Turn the control clockwise.
n is displayed when you press ►► (or ►► (or ►►) was continuously pressed
at the end of the disc.
Press ◄◄ (or !◄◄) to return to
normal indication.
Play does not begin from the first selection. The player is in the PROGRAM or the
SHUFFLE mode.
Press CONTINUE.
Play begins only by turning on the power. A disc is in the tray. —
The remote commander does not operate
the unit.
The batteries are run down. Replace both batteries.
The remote commander is not pointed at
the remote sensor.
Point the remote commander at the sensor.
There is an obstacle between the remote
commander and the unit.
Remove the obstacle.
The remote commander is too far from the
unit.
Move closer.
No operation is possible. The internal control program may not run. Turn off the power and turn it on again.
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