Tempo Zero Point Adjustment - Pioneer CDJ-2000NXS Service Manual

5

8.4 TEMPO ZERO POINT ADJUSTMENT

Necessary Adjustment Points
When
Exchange the SLIDER VR
Jigs
• ≠ Precise screwdriver (small)
Zero Point ADJ.
Notes:
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.
SLDB Assy
Insulation sheet
2 Match the knob section of slide VR with
CENTER POSITION.
CENTER POSITION
5
6
Adjustment points
VR8702
(Zero Point ADJ.)
• Digital multimeter which
can be measured to 0.1mV.
• Insulation sheet
(The thing that is bigger than
SLDB Assy)
Knob section of slide VR
CDJ-2000NXS
6
7
Adjustment and Check Points
3 Adjust it so that turn VR8702, and the voltage of the
digital multimeter becomes 0 ± 5 mV.
0 ± 5 mV
Pin 5: ADCT
Pin 4: ADIN
S8701
TEMPO
RESET
VR8702
(Zero Poin ADJ)
7
8
TEMPO knob
(SLDB Assy)
J8709
J8707
V+3R3E
J8705
J8704
0
J8708
J8703
C8702
VR8701
SIDE A
SLDB ASSY
69
8
A
B
C
D
E
F