2 ADJUSTMENTS AND CHECKS
−
3
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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 7VR2 (Lch) so that the voltage
becomes 3.3
±
1.3mV.
4. Adjust 7VR1 (Rch) in the same way.
7VR1
7VR2
7R46
7R44
0.33/5W
0.33/5W
DC voltmeter
7R45
7R43
0.33/5W
0.33/5W
DC voltmeter
MAIN PCB
