72
CDJ-3000
1
2
3
4
A
B
C
D
E
F
1
2
3
4
8.4 JOG DIAL ROTATION LOAD ADJUSTMENT
1.
8.96
150
2.
9.57
153
3.
9.57
156
4.
9.57
147
5.
9.92
150
OK
: XXX
: XXX
Table 1 Adjustment reference value
The time required for the JOG dial to decrease its rotation speed from 3 times to 1.5 times normal speed will be measured.
If the maximum speed does not reach 7 times normal speed, measurement will not be performed.
When performing the Jog dial rotation load adjustment, after removing it, connect PNLB Assy and JOGB Assy with
4P extension cable before performing the adjustment.
(Detail is refer to "1.3 SERVICE NOTICE_
g
About Jog dial rotation load adjustment".)
g
Measurement content
1
Set the value of the adjustment value of Cover (Adjust plate) for "
0
". (Fig. 1)
2
Turn the JOG ADJUST knob max at the heavy side and turn the JOG dial 10 times each to clockwise and counter clockwise.
After turn the JOG dial, return the JOG ADJUST knob to the center.
+
When JOG dial rotation is not smoothly or abnormal noise occurs, check JOG dial is assembled properly.
3
Enter the mode for JOG dial Rotation Load Adjustment.
While holding the
CUE/LOOP CALL
c
and
TEMPO
±
6/
±
10/
±
16/WIDE
buttons pressed, press the
u
button to turn the
unit on. (Be sure to hold the
u
button pressed until the unit starts up.)
(Fig. 2)
4
Turn the VINYL SPEED ADJ. TOUCH/BRAKE knob to the maximum (right direction).
5
Turn the JOG dial swiftly. Always turn the JOG dial in the left direction.
6
The slowdown time (unit: msec) will be measured.
7
Perform measurement 5 times. Confirm that a judgment indicated by a display is "OK".
(
value of standard: 170
±
20 msec
)
8
When the rotation decrease time is coming off from spec (NG), adjust it according to "
g
Adjustment method".
(Refer to Table 1 for the adjustment value.)
9
Turn the JOG ADJUST knob max at the light side and turn the JOG dial swiftly in the left direction.
Perform measurement 1 time. Confirm that a judgment indicated by a display is "OK".
(value of standard: 380 msec or more)
g
Procedures
1
Number of measurement sessions: The accumulated number of measurement sessions from a measurement start will be
displayed (1, 2, 3, . . .).
2
Maximum speed:
The maximum speed in each measurement session will be displayed (unit:
×
normal).
3
Measured value:
The time required for the rotation speed to slow down from 3 times to 1.5 times normal speed
("slowdown time") in each measurement session will be displayed (unit: msec).
4
Average value (speed): The average value of all maximum speed will be displayed (unit:
×
normal).
5
Average value (value): The average value of all measured values will be displayed (unit: msec).
6
Judgement:
"OK" is displayed if the average value of
5
is within the range below.
"NG" is displayed if it is out of the range.
When the number of measurements of
1
is 4 times or less, nothing is displayed.
g
Indications
1
Number of
measurement sessions
4
Average value (speed)
5
Average value (value)
6
Judgement
2
Maximum speed
3
Measured value
JOG rotation speed (calibration "0")
JOG calibration to change (reference)
221 or more
+4
220 to 211
+3
210 to 201
+2
200 to 191
+1
190 to 150
0
149 to 145
-1
144 to 140
-2
139 to 130
-3
129 or less
-4
