From: No.Spam@No.Where.com   
      
   "Chuck"  wrote in message news:n02f161e7sdq1djll3fj   
   5unvkh3vckha0@4ax.com...   
   > On Mon, 14 Jun 2010 10:11:08 -0700, "Fred"    
   > wrote:   
   >   
   >>   
   >>"Adamfarber"  wrote in message   
   news:Adamfarber.65bc95d@audiobanter.com...   
   >>>   
   >>> David Nebenzahl;911263 Wrote:   
   >>>> On 6/13/2010 12:56 PM Adamfarber spake thus:   
   >>>> -   
   >>>> > Hi Mark, I unhooked everything and hooked up a speaker to one of the   
   >>>> > outputs and listened to FM and I still heard the him. Thanks, Adam-   
   >>>>   
   >>>> The "him"?   
   >>>> Oh, you must mean the "hymn".   
   >>>>   
   >>>>   
   >>>> Whoops, meant HUM, thanks, Adam   
   >>   
   >>Most likely a cap in one of the low voltage supplies has failed, feeding   
   unfiltered   
   >>DC to a regulator which cannot maintain smooth output voltage because the   
   input   
   >>is going to zero 120 times a second.   
   >>   
   >>You have to be a technician with troubleshooting skills, experience with AV   
   receivers,   
   >>test equipment and service information to fix this.  Assuming that's not   
   you, the unit   
   >>needs to go to a Yamaha warranty station for repair (Yamaha's warranty   
   stations have   
   >>access not just to service manuals but also to confidential service   
   bulletins, and more   
   >>importantly they have access to the technical staff at Yamaha, which is the   
   only really   
   >>competent technical staff in the business).  I can call Allen at Yamaha,   
   give him the   
   >>model number, and he'll tell me what the problem is and how to fix it   
   because he and his   
   >>staff know their equipment that well.   
   >>   
   >>Obviously, I work for a Yamaha warranty station.  That's the only company we   
   still do   
   >>warranty audio work for, because it's the only one with a staff that knows a   
   damn thing   
   >>about their product.  Well, them and McIntosh, but there are no Mac dealers   
   around here,   
   >>so they don't figure they need a warranty station here (Reno, NV).   
   >>   
   >>Fred   
   >>   
   >>> --   
   >>> Adamfarber   
   >>   
   >   
   > Allen is still around at Yamaha?  I'd have thought he would have   
   > retired years ago.  Chuck   
      
   He's about the last of the old gang still there, and someone's being   
   groomed to take his place.  Probably won't be there a year from now,   
   but I think he's hanging in until his replacement is fully up to speed.   
      
   Fred   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)