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CDJ-500G, CDJ-500
7. MSB Adjustment
*Objective
To optimize the MSB level of the DAC
«Symptom when out of ad- | Audio distortion
justment
«Measurement
instrument | Connect the oscilloscope to | Player state
Test mode, play
connections
AUDIO OUT L or R termi-
nal (JA801)
eAdjustment location
VR402(MSB ADJ.L)
VR401(MSB ADJ.R)
[Settings]
5mV/division
0.2ms/division
Disc
YEDS-7
[Procedure]
1. Playback the track20 (-60dB, 1KHz, Lch, Rch) of the test disc (YEDS-7). Connect the oscilloscope to the Lch of the
AUDIO OUT terminal (JA801), and observe the audio output waveform.
2. Adjust VR402 (MSB ADJ.L) so that the sine wave is obtained on oscilloscope.
3. Adjust VR401 (MSB ADJ.R) in the same way.
@ ZERO cross distortion waveform
Remioue
1-32
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