Troubleshooting; Problems And Remedies - Sony CMT-GPX9DAB Operating Instructions Manual

Troubleshooting

Problems and remedies

Should you encounter a problem with your
system, do the following:
1
Make sure the mains lead and speaker
cords are correctly and firmly connected.
2
Find your problem in the troubleshooting
checklist below and take the indicated
corrective action.
If the problem persists after doing all of the
above, consult your nearest Sony dealer.
When the ?/1 indicator flashes
Immediately unplug the mains lead and check
the following items.
• If your system has a voltage selector, is the
voltage selector set to the correct voltage?
Check the voltage for your region, then
make sure the voltage selector is set
correctly.
• Are the + and – speaker cords short-
circuited?
• Are you using the supplied speakers?
• Is anything blocking the ventilation holes
on the rear of the system?
Check all the above items and fix any
problems found. After ?/1 indicator stops
flashing, reconnect the mains lead and turn on
the system. If the indicator still flashes, or if
the cause of the problem cannot be found
even after checking all the above items,
consult your nearest Sony dealer.
General
"– –:– –" appears in the display.
• A power interruption has occurred. Set the clock
(page 9) and timer settings (pages 21 and 22)
again.
The clock setting/radio presetting/timer is
canceled.
• Redo the following:
– "Setting the clock" (page 9)
– "Presetting radio stations" (page 13)
– "Activate the timer/check the setting" (pages 21
and 22)
– "Timer recording radio programs" (page 22)
There is no sound.
• Press VOLUME + or turn VOLUME on the unit
clockwise.
• Make sure the headphones are not connected.
• Check the speaker connections (page 6).
• There is no audio output during Rec Timer.
• Connect the aerials.
• The specified station has temporarily stopped
broadcast.
• Perform the DAB Automatic Scan procedure
(page 13).
Sound comes from one channel, or
unbalanced left and right volume.
• Place the speakers as symmetrically as possible.
• Connect the supplied speakers.
There is severe hum or noise.
• Move the system away from the source of noise.
• Connect the system to a different mains.
• Install a noise filter (commercially available) to
the mains lead.
The timer cannot be set.
• Set the clock again (page 9).
The timer does not function.
• Check the timer setting and set the correct time
(pages 21 and 22).
• Cancel the Sleep Timer function (page 20).
• Make sure the clock is correctly set.
The color irregularity on a TV screen persists.
• Turn off the TV set once, then turn it on after 15
to 30 minutes. If the color irregularity still
persists, place the speakers farther away from the
TV set.
The remote does not function.
• Remove the obstacle.
• Move the remote closer to the system.
• Point the remote at the system's sensor.
• Replace the batteries (R6/size AA).
• Locate the system away from the fluorescent light.
The system can not be turned on even though
you have pressed ?/1.
• Make sure the mains lead is connected to mains.
continued
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