Sony MHC-GNX800 Manual Do Utilizador

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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 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.
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 
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 22) and “Timer recording radio programs” 
(page 23).
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 22 to 24) 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).
Troubleshooting
Problems and remedies
When the ?/1 indicator flashes
Immediately unplug the power cord and 
check the following items.
• (MHC-GNX880/GNX800/GNX700 only)
Is the system control cable connected 
correctly?
• If your unit have 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 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.
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