Troubleshooting; Problems And Remedies - Sony MHC-GN660 Operating Instructions Manual

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 connected correctly and firmly.
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.
• Are the system control cables connected
correctly?
• Are the + and – speaker cords short
circuited?
• 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 you using the supplied speakers?
• Is anything blocking the ventilation holes
on the rear of the system?
After checking the above items and fixing
any problems, plug in the power cord again
and turn on the system. If the ?/1 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.
36 GB
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 6 of
"Hooking up the system" (page 8)).
• Press DISPLAY twice while the system is off.
The demonstration disappears.
"– –:– –" appears in the display.
• A power failure occurred. Set the clock (page 11)
and timer settings (pages 27 and 28) again.
The clock setting/radio presetting/timer is
canceled.
• Redo the following:
– "Setting the clock" (page 11)
– "Presetting radio stations" (page 16)
– "Falling asleep to music" and "Waking up to
music" (page 27)
– "Timer recording radio programs" (page 28)
There is no sound.
• Turn VOLUME clockwise (or press
VOLUME + on the remote).
• Make sure the headphones are not connected to
the PHONES jack.
• Check the speaker connections (page 9).
• There is no audio output during Timer Recording.
There is no microphone sound.
• Turn VOLUME (or press VOLUME +/–
repeatedly on the remote) or MIC LEVEL to
adjust the microphone volume.
• Make sure the microphone is connected to the
MIC jack 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 11).
The timer does not function.
• Check the timer setting and set the correct time
(pages 27 and 28).
• Cancel the Sleep Timer function (page 27).
• You cannot select the Play Timer and Timer
Recording simultaneously.