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1.7 ELECTRICAL ADJUSTMENTS
. Adjustment the Voltage of DAC (CS4397)
.Purpose
Set the Voltage of Audio part CS4397(QD01, QD31).
Adjustment point : R825(2.2Kohm)
Test point : J800
Equipment : Digital Multi Meter(DC voltage)
.Adjust the voltage at that status 5.4V to 5.5V by the trim
resister R825.
.If there incorrect adjust, the unit shouls be defective of
DISTORTION and AUDIO OUT PUT Voltage.
QD01/QD31(CS4397)
Fig-1 and Fig-2 chart are condition for DAC and pin of IC.
Select the CD/SACD mode by Fig-1 and Fig-2
Note
1. Set the CMOD of SACD(12pin=H)
2. When replay CD disc, A frequency of 44.1KHz input CMOD
3. The master CLK(192/384fs) for MCLK change by mode.
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