Yamaha RX-V2095 Bulletin 电路图.pdf

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1、 TECHNICAL BULLETIN 6660 Orangethorpe Avenue, Buena Park, CA 90620-1345 (714) 522-9105 Number: 216H Effective Date: June 2, 2000 MODEL: RX-V2095 SERIAL NUMBERS AFFECTED: All FUNCTIONS AFFECTED: Subwoofer Output Verification TYPE OF CHANGE MANDATORY OPTIONAL FOR INFO. ONLY SYMPTOM: Customer complains

2、 of no or low subwoofer output. CAUSE: Improper set-up by customer. SOLUTION: Check for correct output by setting the MAIN SPEAKERS to the SMALL mode with the EFFECTS turned off (as shown in the Service Manual on page 4 under Output Level/Impedance). Inject a 150 mv 50Hz audio signal into the Left a

3、nd Right CD input, select CD on the INPUT SELECTOR, turn the volume control all the way up and check the level at the subwoofer output jack. It should be approximately 4 volts RMS with distortion typically less than 0.1%. NOTE: This does not require any speakers to be connected! RadioFans.CN 收音机爱 好者资料库