Additional information, Troubleshooting | Pioneer CDJ-900 instruction

Additional information

Troubleshooting

!Incorrect operation is often mistaken for trouble or malfunction. If you think that there is something wrong with this component, check the points below. Sometimes the trouble may lie in another component. Inspect the other components and electrical appliances being used. If the trouble cannot be rectified after checking the items below, ask your nearest Pioneer authorized service center or your dealer to carry out repair work.

!The CDJ-900 may not operate properly due to such external causes as static electricity. If this happens, normal operation can sometimes be restored by turning the power off, waiting for the disc to stop completely, then turning the power back on.

!Non-finalized (partial discs) CD-R/-RW cannot be played on the CDJ-900.

!Irregularly shaped discs other than standard 12 cm discs cannot be played on the CDJ-900 (doing so will lead to damage or accidents).

!The BPM measured by the CDJ-900 may differ from the BPM indicated on the disc or that of a Pioneer DJ mixer, etc. This is due to the different methods used for measuring the BPM, and is not a malfunction.

Problem	Check	Remedy
Disc cannot be ejected.	－	If the [DISC EJECTh] button does not work, insert the pin in the disc force
		eject pin insertion hole to eject the disc.
Playback does not start when disc is loaded.	Is the disc or file playable?	See Discs/files playable on the CDJ-900 on page 6.

	Is the auto cue function activated?	Press [AUTO CUE] for at least 1 second to turn cancel the auto cue function.
File cannot be played.	Is the file copyright-protected (by DRM)?	Copyright-protected files cannot be played.

No sound is produced, or sound is distorted or noisy.	Are you operating the connected DJ mixer properly?	Check the operation of the DJ mixer.

	Is the CDJ-900 placed near a TV?	Turn the TV’s power off, or install the CDJ-900 and TV away from one
		another.

Loud noise is produced or playback stops when a	Is the disc scratched?	Scratched discs may not play.
certain disc is played.	Is the disc dirty?	Wipe the dirt off the disc (page 28).
	Is the disc dirty?	Wipe the dirt off the disc (page 28).

File information is not properly displayed.	Is the information recorded in a language not supported	When creating files using DJ software, etc., record the information in a
	by the CDJ-900?	language supported by the CDJ-900.

Track search operation takes too long.	Is the auto cue function activated?	Track searching may take some time when there are long silent sections
		between tracks.

	－	If track searching is not possible within 10 seconds, a cue point is set at the
		beginning of the track.

Back cue function does not work.	Is a cue point set?	Set the cue point (page 15).

Loop play function does not work.	Is a cue point set?	Set the cue point (page 15).
Settings are not stored in the memory.	Has the power been turned off directly after changing the	After changing settings, wait at least 10 seconds before turning the power
	setting?	off.
USB device is not recognized.	Is the USB device properly connected?	Connect the device securely (all the way in).

	Is the USB device connected via a USB hub?	USB hubs cannot be used.
	Is the USB device supported by the CDJ-900?	This player only supports USB mass storage class devices.
		This player supports portable flash memory and digital audio playback
		devices.

Is the file format supported by the CDJ-900?

Check the file format of the connected USB device. For the file formats sup- ported by the CDJ-900, see About USB devices on page 7.

	－	Turn the power off then back on.

Cue or loop points of tracks recorded on USB devices	Is there sufficient free space on the USB device?	A maximum of 100 cue and loop points per disc can be recorded on USB
are not stored in the memory.		devices (10 per track for media other than discs). If you attempt to record
		more points than the limit, [POINT FULL] is displayed and the points cannot
		be recorded.
		If there is not enough free space on the USB device or if the device is write-
		protected, [USB FULL] is displayed and the points cannot be recorded.
Cue or loop points of tracks recorded on USB devices	Has the USB device been properly removed?	Points may not be displayed if the USB device is removed without perform-
are not displayed.		ing the proper stopping procedure or if the CDJ-900’s power is turned off.
The playing address display is not displayed in the	－	When playing files recorded in VBR, it may happen that the set cannot
remaining time mode.		detect the length of the track immediately and that some time is required for
		the playing address display to appear.

Time is required to read USB devices (flash memory drives and hard discs).

Is there a large number of folders or files recorded on the	When there are many folders or files, some time may be required for load-
USB device?	ing.

Are files other than music files stored on the USB device?	When files other than music files are stored in folders, time is required to
	read them as well. Do not store files or folders other than music files on the
	USB device.

Library browsing is not possible.

Is a medium on which library information is recorded loaded?

The library browse mode is only set when media on which library informa- tion is recorded are loaded. When a medium on which no library information is recorded is loaded, the folder browse mode is set.

[HISTORY] is not displayed.

Is a USB device loaded?

The [HISTORY] function can only be used for DJ players on which a USB device is loaded.

Nothing is displayed.

Is the power management function activated?

The CDJ-900 is shipped with the power management function turned on. If you do not want to use the power management function, set [AUTO STANDBY] to [OFF]. (page 20)

PRO DJ LINK does not work well.

Are the player numbers properly set?

Set [PLAYER No.] to [AUTO] or to a number different from the number cur- rently set. (page 20)

Is the LAN cable properly connected?	Connect the LAN cable properly to the [LINK] terminal.
Is the switching hub’s power turned on?	Turn the switching hub’s power on.

Is an unnecessary device connected to the switching hub? Disconnect the unnecessary device from the switching hub.

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Multi Player, CDJ-900 specifications

The Pioneer CDJ-900 is a versatile DJ multi-player designed to elevate the performance of both the amateur and professional DJ. Renowned for its innovative technology and user-friendly interface, the CDJ-900 quickly became a staple in clubs and festivals worldwide, making it an essential tool for those serious about their craft.

One of the standout features of the CDJ-900 is its ability to play a wide range of audio formats. Supporting WAV, AIFF, MP3, and AAC files, this multi-player ensures that DJs have the flexibility to work with their preferred sound quality. The CDJ-900 also boasts a high-resolution, 7-inch color LCD screen, providing a clear and navigable interface that enhances visual performance. This display allows DJs to access essential information such as waveforms, BPM, and track info at a glance.

The CDJ-900 incorporates a USB port that allows for direct mixing from USB devices, eliminating the need for CDs or laptops, which streamlines performances and liberates DJs from cumbersome setups. This USB connectivity also enables the use of multiple USB devices, so DJs can easily switch between different playlists on the fly.

Built with an advanced digital signal processor (DSP), the CDJ-900 features superior sound quality that caters to the demands of live performances. With its advanced quantized loop function, DJs can create seamless loops in real time, providing creative opportunities during performances. In addition to this, the multi-player includes a slip mode that allows for non-destructive scratching, enabling the DJ to compose intricate soundscapes without losing the original track.

Additionally, the CDJ-900 includes features like beat sync, which can automatically adjust the tempo of tracks for perfect alignment. This feature is particularly useful during live sets, ensuring that transitions are smooth and harmonically compatible.

The build quality of the CDJ-900 is another aspect that is highly regarded. Constructed with durable materials, this unit stands up to the rigors of extensive travel and repeated use, which is essential for professional settings. The ergonomically designed interface and well-placed controls also ensure that DJs can perform with speed and precision.

In summary, the Pioneer CDJ-900 is a powerful multi-player packed with features that cater to the needs of today’s DJs. Its versatility, sound quality, and intuitive design make it an excellent choice for anyone looking to elevate their DJing experience. Whether performing live or practicing in the studio, the CDJ-900 remains a top-ranking choice for musicians around the globe.