From: chuckh@deja.net   
      
   On Wed, 21 Apr 2010 13:16:35 -0700, David Nebenzahl   
    wrote:   
      
   >On 4/21/2010 12:58 PM David Nebenzahl spake thus:   
   >   
   >> On 4/21/2010 12:42 PM Chuck spake thus:   
   >>   
   >>> On Wed, 21 Apr 2010 12:18:03 -0700, David Nebenzahl   
   >>>  wrote:   
   >>>   
   >>>> Question is about a Kyocera R-851 receiver, ca. 1985, 85   
   >>>> w./channel. Unit is in fine condition (many capacitators have been   
   >>>> replaced) except for one thing: it doesn't remember radio stations.   
   >>>>   
   >>>> Does anyone know enough about this unit to tell me what the likely   
   >>>> culprit is here? Any links to schematics?   
   >>>   
   >>> Look for a .47 to 1 Farad capacitor on the front panel.  Used to do   
   >>> warranty service on these and I believe that is how the back up   
   >>> voltage was stored.  Chuck   
   >>   
   >> Thanks for the quick reply.   
   >>   
   >> So by "front panel" you mean the back of the front panel inside, right?   
   >> Would that be accessible from the top or bottom of the unit?   
   >   
   >Found it. But it's not a supercap as you said; on the left side of the   
   >front panel there's a 3-volt cell, a Sanyo marked "LF-1/2W" that says   
   >it's a Li-Mn cell (never heard of that chemistry before). I'm going to   
   >the local electronics store to see if they have a replacement.   
   Sorry about my mistake but it's been 22 years since I worked on one.   
   Chuck   
      
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