Pioneer CDJ-900 Service Manual page 50

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Test operation mode command
Servo operation is finely controllable gradually.
Keep in mind a test operation mode command that it may give a damage to a player as mistaking the usage.
Please operate this mode after making a disc a set completion state.
Note: Operate it after you take a state of loading in.
Servo All Off
When servo is ON, all servo will be turned off if the TIME button is pushed.
It is indicated with [ALL OFF] in the indication part.
Slider Move Fwd
B
You send about 1.8 mm sliders to a circumference direction whenever you push a SEARCH FWD button.
It is indicated with [SLIDER FWD] in the indication part.
Slider Move Rev
You send about 1.8 mm sliders to an internal circumference direction whenever you push a SEARCH REV button.
It is indicated with [SLIDER REV] in the indication part.
Step command
Perform the serial movement of the setup by a step.
If a CUE/LOOP CALL NEXT (d) button is pushed, it will step up (even if it pushes PREV (c) button, the stripes of the
step down are not carried out). Operation and a display of each step are as follows.
C
Step
STEP0 : Servo All Off
STEP1 : Laser diode on
STEP2 : Disc presence judgment
STEP3 : Spindle on (2000 rpm)
STEP4 : Disc sense
STEP5 : Focus serve on
STEP6 : Tracking servo on
STEP7 : Focus position coarse adjustment
STEP8 : Focus gain adjustment
STEP9 : Tracking gain adjustment
D
STEP10 : Address lead start
CUE/LOOP CALL NEXT (d) button : step up
Note: Spindle on rotates by 2000 rpm CAV.
It cuts in the CLV four times speed at the address lead and it changes.
Mode Change (The end of the test movement mode)
If the MASTER TEMPO button is pushed into "test operation mode", MASTER TEMPO LED will light out, and it will
shift to the above-mentioned "player operation mode." It is indicated with [PLAYER MODE] in the indication part.
E
F
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Action Indication Part
ALL OFF
LD ON
DISC SEARCH
SPINDLE ON
DISC SENSE
FOCUS ON
TRACKING ON
FOCUS POSITION
FOCUS GAIN
TRACKING GAIN
ADDRESS READ
CDJ-900
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