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   sci.electronics.repair      Fixing electronic equipment      124,925 messages   

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   Message 123,847 of 124,925   
   Ronald to Shaun   
   Re: lost one channel on an old Onkyo amp   
   18 Aug 23 19:41:49   
   
   From: ronaldbellis85@gmail.com   
      
   On Saturday, August 8, 2015 at 11:15:10 PM UTC-4, Shaun wrote:   
   > "Tim R" wrote in message    
   > news:425fdc8f-20ed-40b2...@googlegroups.com...   
   > I have an old and extremely heavy Onkyo stereo amplifier that I use in the    
   > basement in my workroom. I bought it years ago at a thrift shop and it's    
   > worked well for years.    
   >    
   > Now only one channel works. I've tried it on A and B speakers and mono,    
   > doesn't matter. Sound comes out of only one side.    
   >    
   > Is there anything simple this is likely to be, or is it time to set it out    
   > by the curb? (in my neighborhood nothing makes it to garbage day)    
   >    
   > There was a thunderstorm and power outage this week, but I'm not sure if it    
   > failed before or after.   
   > I've fixed my 5 channel Onkyo amplifier years ago; It was just cracked    
   > solder joints between the RCA connectors and the circuit board. I would    
   > suspect in your case that you may have a failed transistor or two. You have    
   > the other channel to compare the reading too. Remove the power transistors    
   > (mounted on heat sinks) and check them with an DMM on diode check, then    
   > compare them to the pair from the working side. It is probably worth the    
   > effort since Onkyo has a good name for mid quality Hi-Fi equipment. Then    
   > look on the internet for replacements or Substitutes and get a matched pair.    
   >    
   > Shaun   
   Only a m5160 other than what I've wrote to the military why would a amp play   
   on both yet not just one both channels work just not at the same time   
   simultaneously.. bull shit   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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