Sony CDX-HR70MS Manual

* Accessories/equipment other than the marine

remote commander RM-X55M are not waterproof.
Do not subject them to water.

Your dealer may not handle some of the above listed
accessories. Please ask the dealer for detailed
information.

Note
This unit cannot be connected to a digital preamplifier
or an equalizer which is Sony BUS system compatible.

Design and specifications are subject to change
without notice.

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.

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 sound.

• The volume is too low.
• The ATT function is activated, or the Telephone ATT

function (when the interface cable of a telephone is
connected to the ATT lead) is activated.

• The position of the fader control “FAD” is not set for

a 2-speaker system.

• The CD changer is incompatible with the disc (MP3/

WMA/AAC/ATRAC CD).

t Play back with this unit.

US and foreign patents licensed from Dolby
Laboratories.

MPEG Layer-3 audio coding technology and
patents licensed from Fraunhofer IIS and Thomson.

•  Halogenated flame retardants are not used in the
  certain printed wiring boards.
•  Halogenated flame retardants are not used in
cabinets.
•  Cushions made from paper.

No beep sound.

• The beep sound is canceled (page 12).
• 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 boat’s
accessory power connector.

The display disappears from/does not appear
in the display window.

• The dimmer is set “DIM-ON” (page 13).
• The display disappears if you press and hold (OFF).

t Press and hold (OFF) on the unit until the

display appears.

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.

Make sure the insulation film has been removed
(page 5).

DSO does not function.

Depending on the boat’s interior or type of music,
DSO may not have a desirable effect.

CD/MD playback

The disc cannot be loaded.

• Another disc is already loaded.
• The disc has been forcibly inserted upside down or in

the wrong way.

The disc does not playback.

• Defective or dirty disc.
• The CD-Rs/CD-RWs are not for audio use (page 16).
• The disc format and file version are incompatible

with this unit (For details, refer to page 4 a nd 16).

MP3/WMA/AAC files take longer to play back
than others.

The following discs take a longer time to start
playback.
– a disc recorded with a complicated tree structure.
– a disc recorded in Multi Session.
– a disc to which data can be added.

The ATRAC CD cannot play.

• The disc is not created by authorized software, such

as SonicStage or SonicStage Simple Burner.

• Tracks that are not included in the group cannot be

played.

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