Electrical Adjustment - Pioneer CDJ-100 Service Manual

CDJ-1000

6.4 ELECTRICAL ADJUSTMENT

1
VCO Free-running Adjustment
• Power ON
• None disc
• The position of TEMPO
slider is set to 0
• DOUT OFF
START
MAIN ASSY
VCO IN
GND
58
MAIN ASSY
VR601
Player
Probe (10:1)
Objective : To optimize the VCO free-running frequency
When not properly adjusted :
• Master Tempo does not function normally.
• TEMPO display does not become the same as that
of actual voice tempo.
DC voltage
2.5±0.2V
CH1
(X)
CH2
(Y)
Oscilloscope
V: 50mV/div.
H: 10msec/div.
DC mode