Sony CMT-M90DVD User Manual download pdf (Page 47)

CMT-M90DVD 4-239-826-11(1) G

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.

General

“--:--” lights up in the display.

• A power interruption has occured. Set the clock

(see page 11) and timer settings (see pages 39

and 44) again.

There is no sound.

• Press VOLUME + (or VOL + on the remote).

• Make sure the headphones are not connected.

• Check the speaker connections (see page 9).

Sound comes from one channel, or unbalanced

left and right volume.

• Place the speakers as symmetrically as possible.

• Connect the supplied speakers.

There is severe hum or noise.

• Move the system away from the source of noise.

• Connect the system to a different mains.

• Install a noise filter (commercially available) to

the mains line.

The timer cannot be set.

• Set the clock again (see page 11).

The timer does not function.

• Press CLOCK/TIMER SELECT on the remote to

set the timer and light up “cDAILY” or

“cREC” in the display (see pages 39 and 44).

• Check the timer setting and set the correct time

(see pages 39 and 44).

• Cancel the Sleep Timer Function (see page 43).

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.

DVD/VIDEO CD/CD Player

The disc tray does not open and “LOCKED”

appears on the front panel display.

• Contact your Sony dealer or local authorized

Sony service facility.

The disc tray does not close.

• Place the disc correctly in the center of the tray.

• Always close the tray by pressing Z DVD.

Trying to press the tray closed with your fingers

may cause problems with the player.

The disc does not eject.

• You cannot eject the disc during CD Synchro

Recording. Press x to cancel the CD Synchro

Recording, then press Z DVD to eject the disc.

• Consult your nearest Sony dealer.

Play does not start.

• Open the disc tray and check whether a disc is

loaded.

• Wipe the disc clean (see page 51).

• Replace the disc.

• Place the disc correctly in the center of the tray.

• Place the disc in the tray with the label side up.

• Remove the disc and wipe away the moisture on

the disc, then leave the system turned on for a

few hours until the moisture evaporates.

• Press DVD N to start play.

• The region code on the DVD does not match the

system.

• Cancel the Custom Parental Control function.

The sound skips.

• Wipe the disc clean (see page 51).

• Replace the disc.

• Try moving the system to a place without

vibration (e.g., on top of a stable stand).

• Try moving the speakers away from the system,

or placing them on separate stands.

When you listen to a track with bass sounds at

high volume, the speaker vibration may cause the

sound to skip.

Play does not start from the first track.

• Press PLAY MODE/TUNING MODE

repeatedly until both “PGM” and “SHUFFLE”

disappear to return to normal play.

• Resume Play has been selected. When the

playback is stopped, press x, then start DVD

playback (see page 16).

• The title, DVD, or PBC menu automatically

appears on the TV screen. Follow the

instructions on the TV screen.

continued

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Sony CMT-M90DVD User Manual Page 47

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