Sony MHC-RG550 Руководство по эксплуатации - Страница 31
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Troubleshooting
Problems and remedies
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.
When the ?/1 indicator flashes
Immediately unplug the power cord and check
the following items.
• 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?
After checking the above items and fixing any
problems, connect the power cord again 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
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 6)).
• Press DISPLAY on the unit twice while the
system is off. The demonstration disappears.
"– –:– –" appears in the display.
• A power interruption has occurred. Set the clock
(page 9) and timer settings (pages 25 and 26)
again.
The clock setting/radio presetting/timer is
canceled.
• Redo the following:
– "Setting the clock" (page 9)
– "Presetting radio stations" (page 14)
– "Check the setting" (page 25)
– "Timer recording radio programs" (page 25)
There is no sound.
• Press VOL +/– or turn VOLUME control on the
unit clockwise.
• Make sure the headphones are not connected.
• Check the speaker connections (page 6).
• There is no audio output during timer-recording.
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 9).
The timer does not function.
• Check the timer setting and set the correct time
(pages 25 and 26).
• Cancel the Sleep Timer Function (page 24).
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.
There is acoustic feedback.
• Reduce the volume.
• Move the microphone away from the speakers or
change the direction of the microphone.
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.
continued
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