Philips HC350 manual Troubleshooting, Problem Remedy, No sound, Distorted sound

XP SBC HC 350.1 21-06-2001 09:51 Pagina 8

English

Troubleshooting

If a fault occurs, first check the points listed below before taking the set for repair.

If you are unable to remedy a problem by following these hints, consult your dealer or service centre.

WARNING: Under no circumstances should you try to repair the set yourself, as this would invalidate the warranty.

Problem	Remedy
No sound	– Check if the AC/DC adapter is fully inserted into the
	AC outlet and that its DC connector is properly inserted
	into the 12 Volt DC input connector located at the rear
	of the transmitter.
	– Check if the headphone’s on/off switch is in the on
	position.
	– Headphone batteries running low. Remove the
	earcushions.Take out the batteries and put them in the
	transmitter’s recharging compartment for recharging.
	(See Headphone power supply)
	– Check if the audio source is switched on and tuned to
	a channel with audio.
	– Volume not adjusted. Adjust the volume on the audio
	source/ headphone to a higher level.
	– Adjust the headphone’s tuning frequency.Turn the
	tuning wheel until the signal is at its clearest.
	– Make use of the HC352 transmitter. Some transmitters
	already built into other equipment may not be
	compatible with the HC355 headphone because of the
	advanced technologies used in the HC355 headphone.
Distorted sound	– Adjust the headphone’s tuning frequency.Turn the tuning
	wheel until the signal is at its clearest.
	– Adjust the transmitter’s frequency. Select any of the
	2 channels of the transmitter. Next adjust the
	headphone’s frequency by turning the tuning wheel until
	the signal is at its clearest.
	– Headphone batteries running low. Remove the
	earcushions.Take out the batteries and put them in the
	transmitter’s recharging compartment for recharging.
	(See Headphone power supply)

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