Main Amplifier Adjustment; Idling Current Adjustment; Level Meter Adjustment - Akai AM-2600 Service Manual And Parts List

VI. MAIN AMPLIFIER ADJUSTMENT
1. IDLING CURRENT ADJUSTMENT
r
. D a * Fig. 5 Main Amp. P.C Board M 2-5 43 2A
Connect a tester to Power Amp. P.C Board test point '
between Pin-11 and Pin-12, and between Pin-29 and
Pin-28.
Adjust semi-fixed resistors VR-la, VR-lb until the volt¬
age is 30 mV.
2. LEVEL METER ADJUSTMENT
Fig. 7 Volume P.C Board M2-5619
a) Connect instruments as shown in Fig. 6.
b) Turn volume control knob on the front panel until
the AC voltmeter indicates 4.9 volts (3 watts).
c) Adjust VR-3a,b so that level-meter indicates 3 watts.
(Refer to Fig. 7)
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