NAD C300, Руководство по обслуживанию, Страница: 5 / 18

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ＴＰ７ ＴＰ８
ＶＲ３０２
ＶＲ
３０
１
ＶＲ
４０
１
Ｄ３
０５
Ｄ４
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ALIGNMENT PROCEDURE
A. OUTPUT OFFSET VOLTAGE
1.Push Power on, preheat unit for 5 minutes.
2.Connect the DC Millivoltmeter to L Channel speaker output terminals or TP5 and
TP7, adjust VR301 to get a reading of 0V
±
30mV.
3.Connect the DC Millivoltmeter to R Channel speaker output terminals or TP6 and
TP8, adjust VR401 to get a reading of 0V
±
30mV.
B. IDLING CURRENT
1.Connect the DC Millivoltmeter across D305, adjust VR302 for 160
--
180mV reading
on meter.
2.Connect the DC Millivoltmeter across D405, adjust VR402 for 160
--
180mV reading
on meter.
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