Basic Items For Service; Check Points After Servicing - Pioneer CDJ-900 Service Manual

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3. BASIC ITEMS FOR SERVICE

3.1 CHECK POINTS AFTER SERVICING

A Items to be checked after servicing / CDJ
To keep the product quality after servicing, confirm recommended check points shown below.
No.
1 Confirm the firmware version on Test Mode.
Confirm whether the customer complain has been solved.
2
If the customer complain occurs with the specific disc, use it for
the operation check.
3 Play back a CD. (track search)
B
Check the connection of each interface.
Play back data contained in the device connected to USB A.
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USB B
LINK
Check output signals while the JOG dial or TEMPO slider is
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being operated.
6 Check the keys on the unit.
Check the appearance of the product.
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C
Specific Items to be Checked
No.
Confirm playback error rates at the innermost and outermost
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tracks by using the following disc.
D
CD test disc (STD-905)
See the table below for the items to be checked regarding video and audio.
Item to be checked regarding audio
Distortion
Noise
Volume too low
Volume too high
Volume fluctuating
E
Sound interrupted
Cleaning
Before shipping out the product, be sure to clean the following positions by using the prescribed cleaning tools.
Position to be cleaned
Pickup lenses
F
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Procedures
Procedures
Name Part No.
Cleaning liquid GEM1004
Cleaning paper GED-008
CDJ-900
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Check points
The version of the firmware must be latest.
Update firmware to the latest one, if it is not the latest.
The customer complain must not be reappeared.
Audio and operations must be normal.
Audio, Search and operations must be normal.
Audio, Search and operations must be normal.
The device must be recognized by the PC.
The PC must be linked.
Audio and operations must be normal.
Check whether a product can be operated properly by buttons
on the product.
No scratches or dirt on its appearance after receiving it for
service.
Check points
The error rates must be less than 3.0 × 10
(This procedure can determine if the drive is degraded.)
Remarks
Refer to "9.5 SLOTIN MECHA SECTION".
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