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1st April 2007, 06:57 PM
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#1 |
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diyAudio Member
Join Date: Mar 2007
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Yamaha A-720 ampflifier servise manual
Hello.
Does anyone have a copy of the Yamaha A-720 servise manual. Please send me it to omaro@apollo.lv In my ampflifier don: t work reley draiver correcly. Thanks.Omaro. |
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12th May 2010, 10:34 PM
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#3 |
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diyAudio Member
Join Date: May 2010
Location: Vancouver Canada
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I too am looking for a service manual for a YAMAHA A-720.
Of the 4 twisted pairs from the power supply, 3 have very low ripple, but the 4th has about 30% sawtooth. The amplifier seems to be working OK, no hum. If you have a manual, I'd appreciate a copy to normancousins@hotmail.com Thanks Norman |
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