Sony XR-7850 Troubleshooting guide, Tape playback, Radio reception, General, Problem, Problem, Problem, No sound, correctly, the display, No beep tone, Cause/Solution

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 center position for 2-speaker
	systems.
Indications do not appear on	Remove the front panel and clean the connectors. See “Cleaning
the display.	the Connectors” in “Maintenance” for details.
No beep tone.	• An optional power amplifier is connected to the LINE OUT
	and you are not using the built-in amplifier.
	• The beep tone is attenuated.

Problem	Cause/Solution
Playback sound is distorted.	Contamination of the tape head. nClean the head.
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.

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.

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

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