Service Manuals, User Guides, Schematic Diagrams or docs for : Yamaha RX RX-A3010 & V3071 RXA3010_ADJUSTMENT

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                         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 

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