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

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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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Contents HC350 350.1 21-06-2001 0951 Index English Italiano Español18Introduction General information CongratulationsKit contents General information ControlsHeadphone power supply InstallationTransmitter power supply Headphone battery replacement figure Audio ConnectionsPut the earcushions back on the earshell Basic operationTroubleshooting Problem RemedyNo sound Distorted soundDistorted sound Maintenance Specifications RegulationsIntroduzione Informazioni generali CongratulazioniInformazioni generali Comandi Contenuto del kitAlimentazione della cuffia InstallazioneAlimentazione della trasmittente Installazione Collegamenti audio Funzionamento di baseProblema Rimedio Ricerca dei guastiAssenza di suono Suono distortoSicurezza dascolto ManutenzioneDistorsione % THD Separazione dei canali 30 dB CaratteristicheRegolazioni Introducción Información general ¡EnhorabuenaMandos Contenido del kitFuente de alimentación de los auriculares InstalaciónFuente de alimentación del transmisor Funcionamiento básico Conexiones de audioCambio de las pilas de los auriculares figura Resolución de problemas Problema SoluciónNo hay sonido Sonido distorsionadoMantenimiento Resolución de problemas¡Cuidado de sus oídos Especificaciones Reglamento Distorsión % THD Separación de canales 30 dBRF/FM Philips SFMVolt/200 mA AC/DC 433 MHzAC/DC LR03 AAA NiCd Philips NiMH LR03/AAA NiCd HiFiDC p HC8392. O HC8395 HC8395 LR03/AAA NiMH Philips 433.5 MHz ETS 300Meet Philips at the Internet