Pioneer CDJ-1000 Учебное пособие - Страница 14

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6. ELECTRICAL ADJUSTMENT

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

MAIN ASSY

VR601

Player

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

Probe (10:1)

CH1

CH2

(X)

(Y)

Oscilloscope

V: 50mV/div.

H: 10msec/div.

DC mode