Exactly as described, the full user-manual (145 pages). Perfect.
Text excerpt from page 9 (click to view)
SECTION 3 ELECTRICAL ADJUSTMENTS
DC BIAS CURRENT Adjustment (with no signal input)
Note: 1. DC BIAS CURRENT adjustments should be made 30 seconds after the POWER switch is turned on (POWER ON). 2. After replacing the power transistors, DC BIAS CURRENT adjustments should be perfomed.
AMP BOARD R615 R665 R016 R715 R765 1 2 3 Digital volt meter
Connecting point Adjustment part RV601 RV651 RV001 RV701 RV751 Reading on Digital volt meter 20 mV 20 mV 20 mV 20 mV 20 mV