Pioneer CDJ-2000NXS, Руководство по обслуживанию

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CDJ-2000NXS
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3.2 CHECK POINTS AFTER SERVICING
No. Check points Procedure
1 Confirm the firmware version on Service Mode. The version of the firmware must be latest.
Update firmware to the latest one, if it is not the latest.
2
Confirm whether the customer complain has been solved.
If the customer complain occurs with the specific disc, use it for
the operation check.
The customer complain must not be reappeared.
Audio and operations must be normal.
Playback data contained in the device connected to USB A. Audio, Search and operations must be normal.
USB B
The PC must be linked.
Playback data contained in an SD card. Audio, Search and operations must be normal.
LI N K
The PC must be linked.
3 Playback a disc. (track search) Audio, Search and operations must be normal.
5 Check output signals while the JOG dial or TEMPO slider is
being operated. Audio and operations must be normal.
6 Check the keys on the unit. Check whether a product can be operated properly by buttons
on the product.
7 Check the LCD display. Check that there is no dirt or dust trapped inside the LCD display.
4 Check the connection of each interface.
Items to be checked after servicing
No. Check points Procedure
1 Confirm playback error rates at the innermost and outermost
tracks by using the following disc.
D
V D test disc (GG V 1025)
The error rates must be less than 5.0e-4.
(This procedure can determine if the drive is degraded.)
Specific Items to be Checked
To keep the product quality after servicing, confirm recommended check points shown below.
8 Check the appearance of the product. N o scratches or dirt on its appearance after receiving it for service.
Item to be checked regarding audio
Distortion
N oise
V olume too low
V olume too high
V olume fluctuating
Sound interrupted
See the table below for the items to be checked regarding audio.