75
CDJ-3000
5
6
7
8
5
6
7
8
A
B
C
D
E
F
8.5 TEMPO ZERO POINT ADJUSTMENT
CENTER POSITION
DWX4266-
DWX -
SLDB
ADJ
CN8400
VR8400
C8403
VR8401
D8400
S8400
T.RESET
TEMPOSLIDER
J8400
GNDS
9
1
L F
ZERO POINT
ADJ
15
1
1
SLDB ASSY
TEMPO knob
(SLDB Assy)
Perform the adjustment before SLDB Assy mounting.
Repeat the adjustment until the voltage becomes 0
±
5 mV.
1
Insert the insulation sheet between SLDB Assy and
the main unit.
3
Adjust it so that turn VR8401, and the voltage of the
digital multimeter becomes 0
±
5 mV.
2
Match the knob section of slide VR with
CENTER POSITION.
Notes:
g
Jigs
"
Digital multimeter which
can be measured to 0.1mV.
"
Insulation sheet (The thing
that is bigger than PCB)
"
≠
Precise screwdriver (small)
Exchange the
TEMPO SLIDER VR
When
Adjustment points
g
Necessary Adjustment Points
g
Adjustment and Check Points
SIDE A
Pin 1: ADCT
Pin 2: ADIN
VR8401
(ZERO POINT ADJ)
VR8401
(ZERO POINT ADJ)
0
±
5 mV
Zero Point ADJ.
SLDB Assy
Insulation
sheet
Knob section of slide VR
CENTER POSITION