Yamaha RXA3010 ADJUSTMENT free download

File name RXA3010_ADJUSTMENT.pdf

RX-A3010/RX-V3071 POWER AMPLIFIER ADJUSTMENT / Perform all adjustments with no signal applied. RX-A3010/RX-V3071 Warming up before adjustment is not required. Idling Current Adjustment 1. Turn all the semi-fixed variable resisters for idling current adjustment counterclockwise fully. 2. Turn on the power to this unit. 3. Adjust all channels so that the voltage value at test point is the same as center value of the specified range. DC Offset Confirmation After idling current adjustment, confirm that DC offset of all channels are within the specified range. AMP (1) P.C.B. Idling current adjustments DC offset confirmations Item Test Point Adjustment Point Rating Test Point Rating Center CB105 pin1, pin2 VR107 Speaker Terminal (TE150) Surround L CB107 pin1, pin2 VR106 Speaker Terminal (TE153) DC -100 mV Front L CB108 pin1, pin2 VR104 DC 15