Troubleshooting; Problems And Remedies - Sony MHC-GNX660 Manual De Instrucciones

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.
Note that if service personnel changes some
parts during repair, these parts may be retained.
When the ?/1 indicator flashes
Immediately unplug the power cord and
check the following items.
• Are you using the supplied speakers?
• Is anything blocking the ventilation holes
on the rear of the unit?
After checking the above items and fixing
any problem, plug in the power cord again
and turn on the system. If the ?/1 indicator
still flashing, or if the cause of the problem
cannot be found even after checking all the
above items, consult your nearest Sony
dealer.
28 GB
General
The display starts flashing as soon as you
plug in the power cord even though you have
not turned on the system.
• The demonstration mode started. Press ?/1 (see
step 6 of "Hooking up the system" on page 6).
The clock/timer setting is canceled.
• The power cord is disconnected or a power failure
occured. Redo "Setting the clock" (page 9). If you
have set the timer, redo "Waking up to music"
(page 21) and "Timer recording radio programs"
(page 22).
The radio presetting is canceled.
• The power cord is disconnected or a power failure
occured for longer than half a day. Redo
"Presetting radio stations" (page 13).
"– –:– –" appears in the display.
• A power failure occurred. Set the clock (page 9)
and timer settings (page 21 to 23) again.
There is no sound.
• Turn MASTER VOLUME clockwise (or press
VOLUME + on the remote).
• Make sure the headphones are not connected to
the PHONES jack.
• Check the speaker connections (page 6).
• There is no audio output during Timer Recording.
There is no microphone sound.
• Turn MASTER VOLUME (or press
VOLUME +/– on the remote repeatedly) or
MIC 1/2 LEVEL to adjust the microphone
volume.
• Make sure the microphone is connected to the
MIC 1 or MIC 2 jack correctly.
There is severe hum or noise.
• A TV or VCR is placed too close to the unit. Move
the unit away from the TV or VCR.
• Move the unit away from the source of noise.
• Connect the unit 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).