Troubleshooting - Sony MEX-DV900 Operating Instructions Manual

Troubleshooting

The following checklist will help you remedy
problems you may encounter with your unit.
Before going through the checklist below, check the
connection and operating procedures.
Depending on the connected monitor, the unit
may take a few seconds to turn off after turning
the ignition off. This is not a malfunction.
General
No power is being supplied to the unit.
• Check the connection. If everything is in order, check
the fuse.
• If the unit is turned off and the display disappears, it
cannot be operated with the remote commander.
t Turn on the unit.
The power antenna (aerial) does not extend.
The power antenna (aerial) does not have a relay box.
No beep sound.
• The beep sound is canceled (page 39).
• An optional power amplifier is connected and you are
not using the built-in amplifier.
The contents of the memory have been erased.
• The RESET button has been pressed.
t Store again into the memory.
• The power supply lead or battery has been
disconnected.
• The power supply lead is not connected properly.
Stored stations and correct time are erased.
The fuse has blown.
Makes noise when the position of the ignition
is switched.
The leads are not matched correctly with the car's
accessory power connector.
The display disappears from/does not appear
in the display window.
• The dimmer is set "DIM-ON" (page 39).
• The display disappears if you press and hold (OFF).
t Press and hold (OFF) on the unit until the
display appears.
• The connectors are dirty (page 45).
The display disappears while the unit is
operating.
The Black Out function is set to on (page 39) (Latin
American model only).
The Auto Off function does not operate.
The unit is turned on. The Auto Off function activates
after turning off the unit.
t Turn off the unit.
Card remote commander operation is not
possible.
• If the Black Out function is activated (no lighting),
card remote commander operation is not possible
(page 39) (Latin American model only).
• Make sure the insulation film has been removed
(page 14).
Picture
There is no picture/picture noise occurs.
• A connection has not been made correctly.
• Check the connection to the connected equipment,
and set the input selector of the equipment to the
source corresponding to this unit.
• Defective or dirty disc.
• Installation is not correct.
t Install the unit at an angle of less than 45° in a
sturdy part of the car.
• The monitor is connected to the AUDIO/VIDEO
OUT, and the parking cord (light green) is not
connected to the parking brake switch cord, or the
parking brake is not applied.
• The color system setting is incorrect.
t Set the color system to "PAL" or "NTSC"
according to the connected monitor (page 39).
Picture does not fit in the screen.
The aspect ratio is fixed on the DVD.
Sound
There is no sound/sound skips/sound cracks.
• A connection has not been made correctly.
• Check the connection to the connected equipment,
and set the input selector of the equipment to the
source corresponding to this unit.
• Defective or dirty disc.
• Installation is not correct.
t Install the unit at an angle of less than 45° in a
sturdy part of the car.
• The MP3 file sampling rate is not 16, 22.05, 24, 32,
44.1, or 48 kHz.
• The WMA file sampling rate is not 32, 44.1, or
48 kHz.
• The MP3 file bit rate is not 8 to 384 kbps.
• The WMA file bit rate is not 32 to 384 kbps.
• The unit is in pause/reverse/fast-forward mode.
• The settings for the outputs are not made correctly.
• The DVD output level is too low (page 26).
• The volume is too low.
• The ATT function is activated.
• The position of the fader control "FAD" is not set for
a 2-speaker system.
• Unsupported format (such as DTS).
t Check if the format is supported by this unit
(page 8).
Sound is noisy.
Keep cords and cables away from each other.
continue to next page t
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