Sony CDP-991 Operating Instructions Manual page 43

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
The disc tray does not close.
Cause
The disc is not placed correctly.
Remedy
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.
The player is in the pause mode.
Press Bll or B® to release pause.
Moisture condensation. Leave the player turned on for
approximately one hour.
"NO DISC-" is displayed.
There is no disc in the player.
Insert a disc.
Play begins only by turning on the
power.
The TIMER switch is set to PLAY.
Set the TIMER switch to OFF.
Display window does not illuminate
even when the power is turned on.
DISPLAY MODE was pressed.
Press the button again.
Sound is not heard.
Loose connection.
Insert the plug firmly.
Connection is incorrect.
Check the connection refering to
"Connecting an Amplifier Direct'.
The LINE OUT/PHONE LEVEL
control is set to the minimum.
Turn the contro! clockwise.
Play does not begin from the first
selection.
The player is in the PROGRAM,
SHUFFLE or C.INDEX mode.
"-OVER-" is displayed.
The remote commander does not
operate the player.
Press CONTINUE.
bP was continuously pressed at the
end of the disc.
The batteries are run down.
The remote commander is not
pointed at the remote sensor.
Press << or Kd to return to normal
indication.
Replace both batteries.
Point the remote commander at the
sensor.
There is an obstacle between the
remote commander and the player.
Remove the obstacle.
The remote commander is too far
from the player.
Move closer.
Any operation is not possible. The internal control program may not
run.
Turn off the power and turn it on
again.
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