From: mr.spock@spockmall.net   
      
   > I was asked to repair a Pioneer QX-949 quadraphonic tuner/amplifier.  It   
   > is a complex beast and one channel had gone down to almost nothing.   
   > Luckily the service sheet was available and I traced the fault to the   
   > board which houses the tone controls and filters.   
   >   
   > The gain is in two stages with the tone controls around the second   
   > stage.  On one of the channels, the voltages on the single transistor   
   > for that stage were all wrong.  After lifting the transistor off the   
   > board, it became apparent that the base bias was far too high and the   
   > finger of suspicion pointed to the inter-stage coupling capacitor   
   > feeding in leakage current from the preceding stage.   
   >   
   > I tested the capacitor, which was marked "4.7".  It read exactly 4.7k in   
   > both directions on an ohm-meter !!!   
      
   You have a new type of device! Save it. It just might be worth   
   something... someday... maybe...   
      
      
      
   --   
   Jim Whitby   
      
      
   For the next hour, WE will control all that you see and hear.   
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   Mageia release 9 (Official) for x86_64   
   6.6.18-server-1.mga9 unknown   
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