Troubleshooting - Sony MEX-DV1700U Operating Instructions Manual

If you try to play any other DVD, the message
"Playback prohibited by region code." will
appear on the monitor screen. Depending on
the DVD, no region code may be labeled even
though playing the DVD is prohibited by area
restrictions.

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.
For details on using the fuse and removing the
unit from the dashboard, refer to the
installation/connections manual supplied with
this unit.
If the problem is not solved, visit the support
site on the back cover.
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 or fuse.
 If the unit is turned off and the display
disappears, it cannot be operated with the
remote commander.
– 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 46).
 An optional power amplifier is connected and
you are not using the built-in amplifier.
The contents of the memory have been
erased.
 The power supply lead or battery has been
disconnected or it 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 47).
 The display disappears if you press and hold
.
– Press  on the unit until the
display appears.
 The connectors are dirty (page 55).
The display disappears while the unit is
operating.
 The Black Out function is set to on (page 47).
The Auto Off function does not operate.
 The unit is turned on. The Auto Off function
activates after turning off the unit.
– 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 47
Radio reception
The stations cannot be received.
The sound is hampered by noises.
 The connection is not correct.
– Connect the REM OUT lead (blue/white
striped) or accessory power supply lead (red)
to the power supply lead of a car's antenna
(aerial) booster (only when your car has
built-in FM/AM antenna (aerial) in the rear/
side glass).
– Check the connection of the REM OUT lead.
– If the auto antenna (aerial) will not go up,
check the connection of the REM OUT lead.
Preset tuning is not possible.
 Store the correct frequency in the memory.
 The broadcast signal is too weak.
).
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