Sony CDX-C780R Troubleshooting guide, General, Problem, display, Problem, Problem, No sound, function, possible, vibration, Cause/Solution, CD/MD playback, 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
	systems.
	•Rotate the dial in a clockwise direction to adjust the volume.
The contents of the memory	• The power cord or battery has been disconnected.
have been erased.	• The reset button has been pressed.
	nStore again into the memory.

Indications do not appear in the Remove the front panel and clean the connectors. See “Cleaning

display.the connectors” (page 33) for details.

CD/MD 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
	(MD).
Playback does not begin.	Defective MD or dusty CD.
A disc is automatically ejected.	The ambient temperature exceeds 50°C.
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.

Radio reception

Problem	Cause/Solution
Preset tuning is not possible.	• Memorise the correct frequency.
	• The broadcast signal is too weak.
Automatic tuning is not	The broadcast signal is too weak.
possible.	nUse manual tuning.
The “ST” indication flashes.	•Tune in the frequency accurately.
	•The broadcast signal is too weak.
	nSet to the MONO mode (page 14).

EN

Information Additional

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