Sony CDX-L450 Troubleshooting guide, CD playback, General, Problem, display, Problem, No sound, function, vibration, No beep sound, Cause/Solution, Cause/Solution

Troubleshooting guide

The following checklist will help you remedy the problems you may encounter with your unit. Before going through the checklist below, check the connection and operating procedures.

General

Problem	Cause/Solution
No sound.	•Cancel the ATT function.
	•Set the fader control to the centre position for two-speaker
	system.
	•Rotate the dial clockwise to adjust the volume.

The contents of the memory have been erased.

•The power cord or battery has been disconnected.

•The reset button has been pressed. tStore again into the memory.

Indications do not appear in the Remove the front panel and clean the connectors. See
display.	“Cleaning the connectors” (page 22) for details.
No beep sound.	•The beep sound is cancelled (page 20).
	•If you connect an optional amplifier and do not use the built-
	in amplifier, the beep sound will be deactivated.

CD playback

Problem	Cause/Solution
A disc cannot be loaded.	•Another CD is already loaded.
	•The CD is forcibly inserted upside down or in the wrong
	way.
Playback does not begin.	Defective or dirty CD.
A disc is automatically ejected.	The ambient temperature exceeds 50°C.
CD will not be ejected.	You have closed the front panel or pushed the disc forcibly
	into the unit while the unit was ejecting the disc after you
	pressed Z.
	tPress the reset button.
The operation buttons do not	Press the reset button.
function.
The sound skips due to	•The unit is installed at an angle of more than 60°.
vibration.	•The unit is not installed in a sturdy part of the car.
The sound skips.	A dirty or defective disc.

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