Troubleshooting - Philips HC650 Owner's Manual

XP SBC HC 650/00

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
No sound
Distorted sound
14-05-2001 14:25
Remedy
– 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. Position the
headphone on the transmitter and contact. (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. Press and
hold the tuning control button for about 1 second.
– Make use of the HC652 transmitter. Some transmitters
already built into other equipment may not be
compatible with the HC655 headphone because of the
advanced technologies used in the HC655 headphone.
– Adjust the headphone's tuning frequency. Press and hold
the tuning control button for about 1 second. Repeat if
necessary until the red tuning indication lights up.
– Adjust the transmitter's frequency. Select any of the
3 channels of the transmitter. Next adjust the
headphone's frequency by pressing and holding the
tuning button for about 1 second.
– Headphone batteries running low. Position the
headphone on the transmitter and contact. (See
Headphone power supply)
Pagina 9
9