Sony MHC-GNX900 Betriebsanleitung - Seite 29

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Troubleshooting

Problems and remedies

Should you encounter a problem with your

system, do the following:

Make sure the power cord and speaker

cords are connected correctly and firmly.

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.

• (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.

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 7 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 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).

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