Sony MHC-GX450 - Manual (Page 35)

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35 GB
Tuner
Severe hum or noise/stations cannot be
received. (“TUNED” or “STEREO” flashes in
the display.)
• Set the proper band and frequency (page 15).
• Connect the antenna properly (page 8).
• Find a place and an orientation that provide good
reception, then set up the antenna again. If you
cannot obtain good reception, we recommend you
connect a commercially available external
antenna.
• The supplied FM lead antenna receives signals
along its entire length, so make sure you extend it
fully.
• Locate the antennas as far away from the speaker
cords as possible.
• Try turning off surrounding electrical equipment.
A stereo FM program cannot be received in
stereo.
• Press FM MODE repeatedly until “STEREO”
appears.
Tape deck
The tape does not record or play, or there is a
decrease in sound level.
• The heads are dirty. Clean them (page 38).
• The record/playback heads are magnetized.
Demagnetize them (page 38).
The tape does not erase completely.
• The record/playback heads are magnetized.
Demagnetize them (page 38).
There is excessive wow or flutter, or the sound
drops out.
• The capstans or pinch rollers are dirty. Clean them
(page 38).
Noise increases or the high frequencies are
erased.
• The record/playback heads are magnetized.
Demagnetize them (page 38).
The tape does not record.
• No cassette is loaded. Load a cassette.
• The tab has been removed from the cassette.
Cover the broken tab with adhesive tape
(page 38).
• The tape has wound to the end.
Transmitter (MHC-GX750 only)
There is no sound.
• Check the connection of the optional component.
• Check that the optional component is turned on.
• Turn up the volume on the connected optional
component, if the transmitter is connected to the
headphones jack.
• Change the radio frequency using the CHANNEL
selector on the transmitter, then press WIRELESS
on the unit again.
• If you connect the transmitter to the analog out
jacks of an audio reproducer, make sure that the
NOISE FILTER switch is set to OFF.
• Make sure that the NOISE FILTER switch is set
to either ON or OFF (If the switch gets stuck
between ON and OFF, the sound will be cut off).
There is severe hum or noise.
• If the transmitter is connected to the headphones
jack, turn down the volume of the connected
optional component. If the connected optional
component has the BASS BOOST or MEGA
BASS function, set these function to OFF.
• If the connected optional component has a LINE
OUT jacks, connect its LINE OUT jacks.
• Change the radio frequency with the CHANNEL
selector on the transmitter then press WIRELESS
on the unit again.
• If you connect the transmitter to the analog out
jacks of an audio reproducer, make sure that the
NOISE FILTER switch is set to OFF.
If the system still does not
operate properly after performing
the above measures, reset the
system as follows:
Use buttons on the unit for the operation.
1
Disconnect the power cord.
2
Reconnect the power cord.
3
Press x , PLAY MODE/TUNING MODE and
DISC 1 at the same time.
4
Press ?/1 to turn on the system.
The system is reset to the factory settings. You
should set the settings you made, such as the
preset stations, clock, and timer.