Sony XR-4740RDS Troubleshooting guide, Tape playback, Radio reception, RDS functions

Troubleshooting guide

The following checklist will assist in the correction of most problems you may encounter with your unit.

Before going through the checklist below, refer to the operating procedures.

General

	Problem	Cause/Solution
	No sound	∙ Adjust the volume with (+).
		∙ Set the fader control to the centre position for 2-speaker
		systems.
	Indications do not appear on	Remove the front panel and clean the connectors. See “Cleaning
	the display window.	the Connectors” in “Maintenance” for details.
	No beep tone.	The beep tone is muted (page 11).
	Tape playback
	Problem	Cause/Solution
	Playback sound is distorted.	Contamination of the tape head. nClean the head.
EN
	The AMS does not operate	∙ There is noise in the space between tracks.
	correctly.	∙ A blank space is too short (less than four seconds).
		∙ +on (SEEK/AMS) is pressed immediately before the
		following track.
		∙ =on (SEEK/AMS) is pressed immediately after the track
		starts.
		∙ A long pause, or a passage of low frequencies or very low
		sound level is treated as a blank space.
	Radio reception
	Problem	Cause/Solution
	Preset tuning is not possible.	∙ Store the correct frequency.
		∙ The broadcast is too weak.
	Automatic tuning is not possible.	The broadcast is too weak. nUse manual tuning.
	The “ST” indication flashes.	∙ Tune in precisely.
		∙ The broadcast is too weak.
		nPress (SENS/BTM) to enter the MONO mode.
	RDS functions
	Problem	Cause/Solution
	A SEEK starts after a few	The station is non-TP or weaken signal.
	seconds of listening.	nPress (AF/TA) until “AF TA” disappears.
	No traffic announcements	∙ Activate “TA”.
		∙ The station does not broadcast any traffic announcements
		despite being TP. nTune in another station.
	PTY displays “NONE”.	The station does not specify the programme type.

If the above-mentioned solutions do not help to improve the situation, consult your nearest Sony dealer.

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