Troubleshooting

If a problem should arise, first check the following.

Are the connections correct?
Is the unit being operated as described in the owner’s manual?
Are the other devices operating properly?

If this unit does not operate properly, check the items listed in the table below.

Should the problem persist, there may be a malfunction. In this case, disconnect the power immediately and contact your store of purchase.

Power does not turn on / Power is turned off

Check whether the power plug is correctly inserted into the power outlet.

This unit is in standby mode. Press the Power Button CD button on the remote control.

The Auto Standby mode is set. The Auto Standby mode switches the unit to standby mode when the unit is not operated for approximately 30 minutes. To disable Auto Standby mode, set “Auto Standby” on the menu to “Off”.

The connected USB memory device is not supported. Please use a USB memory device with an operating current that is less than 1A.

The device requires more power than can be supplied by this unit via USB. Press Power Button on this unit to turn the power off, remove the USB memory device and then turn the power on again.

Operations cannot be performed through the remote control unit

Batteries are worn out. Replace with new batteries.

Operate the remote control unit within a distance of about 7 m from this unit and at an angle of within 30°.

Remove any obstacle between this unit and the remote control unit.

Insert the batteries in the proper direction, checking the Thread-Plus and Tread-Minus marks.

The unit’s remote control sensor is exposed to strong light (direct sunlight, inverter type fluorescent bulb light, etc.). Move the unit to a place in which the remote control sensor will not be exposed to strong light.

When using a 3D video device, the remote control unit of this unit may not function due to effects of infrared communications between units (such as TV and glasses for 3D viewing). In this case, adjust the direction of units with the 3D communications function and their distance to ensure they do not affect operations from the remote control unit of this unit.

Press the REMOTE MODE CD button to switch the remote control operating mode to “CD”.

When using this unit independently, set the switch to “INTERNAL”.

Display on this unit shows nothing

Press the DISPLAY button to turn on the display.

No sound comes out

Check the connections for all devices.

Insert connection cables all the way in.

Check that input connectors and output connectors are not reversely connected.

Check cables for damage.

Check the amplifier’s functions and controls and adjust as necessary.

When connecting to a device with digital audio input connectors, set “Digital Out” to “On”.

Digital audio output stops when playing the HD layer of a Super Audio CD or a file with a DSD signal or a linear PCM signal with a sampling frequency of 352.8 kHz or higher.

If using headphones, check that “Phones” is set to “On” in the menu. Sound is not output through the headphones jack if “Off” is set.

Sound is interrupted or noise occurs

The sound may skip during playback of a CD-R/CD-RW containing a high-resolution audio source.

This may be caused by poor recording conditions, or the disc itself may be of poor quality. Use a correctly recorded disc.

When the transfer speed of the USB memory device is slow, sound may occasionally be interrupted.

Do not start applications other than the player software while playing music on your computer.

The sound may be interrupted depending on the hardware or software configuration of the computer being used.

Desired sound does not come out

Switch “HP AMP Gain” to “Middle” or “High” if using headphones with high impedance or low sensitivity.

Cannot playback Discs

The disc is dirty or scratched. Either clean the disc, or insert a different disc.

Discs cannot be played back unless they have been finalized. Use a finalized disc.

This may be caused by poor recording conditions, or the disc itself may be of poor quality. Use a correctly recorded disc.

Files are created in a format that is not supported by this unit. Check the formats supported by this unit.

“ No Disc” is displayed if the disc is loaded upside-down or if no disc is loaded.

“Unsupported” is displayed if a disc that cannot be played is loaded.

PC or Mac files cannot be played back

Reconnect the USB cable to the USB port on your computer. When this unit is still not recognized after reconnection, connect to a different USB port.

Restart your computer.

Check the OS of your computer.

When your computer is running on Windows, a dedicated driver software should be installed.

Select this unit as the playback device in the sound settings on the computer.

When digital audio signals cannot be detected properly, “Unlock” is displayed.

“Unsupported” is displayed when audio signals that are not supported by this unit are input. Check the settings on your computer or player software.

If the computer you use is “macOS”, please check if the “SA-KI RUBY/SA-12” format is set below “384000.0 Hz” using the “Audio MIDI Setup”.

Audio from digital devices cannot be played back (Coaxial/Optical)

When digital audio signals cannot be detected properly, “Unlock” is displayed.

“Unsupported” is displayed when audio signals that are not supported by this unit are input. Check the audio output signal format from your digital device.

The bit length displayed for files played back from a computer or external device is different from the bit length displayed on this unit

The bit length displayed is the number of bits when input to this unit’s D/A converter. For a 24-bit file, it is possible that 16-bit data is transferred. In this case, 16-bit is displayed.

USB memory devices cannot be played back

This unit may not recognize the USB memory device due to poor connection, etc. Make sure that the connection is made properly by taking actions such as disconnecting and reconnecting the USB memory device.

Mass storage class compatible USB memory devices are supported.

This unit does not support a connection through a USB hub. Connect the USB memory device directly to the USB port.

The USB memory device must be formatted to FAT16 or FAT32.

Not all USB memory devices are guaranteed to work. Some USB memory devices are not recognized. When using a type of portable hard disc drive compatible with the USB connection that requires power from an AC adapter, use the AC adapter that came with the drive.

Files of a type not supported by this unit are not displayed.

This unit can display a file structure with up to 8 levels, up to 1,000 folders and up to 2,000 files in 1 folder. Modify the folder structure of the USB memory device.

When multiple partitions exist on the USB memory device, only files on the first partition are displayed.

Files are created in a format that is not supported by this unit. Check the formats supported by this unit.

Files that are copyright protected cannot be played on this unit.

If a file is unplayable, “Unsupported” is displayed and the next file is played.

When content created by Mac OS X is copied into a USB memory device, all contents as well as hidden files are copied. Although the extension of this file is the same as the extension of the content, it is actually not the content. Delete this file using another OS such as Windows.

Text informations on the USB memory device are not displayed properly

Characters that cannot be displayed have been used. On this unit, characters that cannot be displayed are replaced with a “.” (period).

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