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Should you encounter a problem with your
system, do the following:
1
Make sure the power cord 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.
General
The display starts flashing as soon as you
plug in the power cord even though you have
not turned on the system (see step 5 of
“Hooking up the system” (page 7)).
• Press DISPLAY twice while the system is off. The
demonstration disappears.
“– –:– –” appears in the display.
• A power interruption has occurred. Set the clock
(page 10) and timer settings (pages 25 and 26)
again.
The clock setting/radio presetting/timer is
canceled.
• Redo the following:
– “Setting the clock” (page 10)
– “Presetting radio stations” (page 15)
– “Falling asleep to music” and “Waking up to
– “Timer recording radio programs” (page 26)
There is no sound.
• Press /– or turn VOLUME control on
the unit clockwise.
• Make sure the headphones are not connected.
• Check the speaker connections (page 7).
• There is no audio output during the Rec Timer.
Sound comes from one channel, or
unbalanced left and right volume.
• Place the speakers as symmetrically as possible.
• Connect the supplied speakers.
Sound lacks bass.
• Check that the speaker’s + and – jacks are
connected correctly.
There is severe hum or noise.
• Move the system away from the source of noise.
• Connect the system to a different wall outlet.
• Install a noise filter (commercially available) to
the power cord.
The timer cannot be set.
• Set the clock again (page 10).
The timer does not function.
• Check the timer setting and set the correct time
• Cancel the Sleep Timer Function (page 25).
Troubleshooting
Problems and remedies
When the
?/1
indicator flashes
Immediately unplug the power cord 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 only the prescribed
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 power cord 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.
continued
Summary of Contents for MHC-GX450 - Mini Hi Fi Stereo System
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