2 ADJUSTMENTS AND CHECKS 2-1 AMPLIFIER SECTION Bias Current Adjustment 1. Turn the unit on, and set the input selector switch to "CD". 2. Set 7VR1 and 7VR2 to the center position. 3. Connect the DC voltmeter as shown below after preheating for 10 minutes, and adjust 7VR1 (Lch) so that the voltage becomes 3.3 1.3mV.
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