Now, this kind of troubleshooting can take some time- except that I happen to be smart enough to use Google to see if this is a common occurrence with these amps. The first thing I found in my search was a video from D-Lab Electronics on YouTube, which told me exactly where to look. Not only did I save a bunch of time (so I can get home and binge-watch ‘The Get Down’ on Netflix), but I’m also saving the customer some money. Always use the resources available to you, kids. In most cases you’re not the first one down this road. Google, YouTube, and various forums are tools just as much as your O’scope, Multi-meter, and chopsticks (you DO have chopsticks on your bench, right?). The next step is to contact the customer and see if he wants to proceed with the repair. The drop-in upgrade transformer from Mercury Magnetics is $313, and Egnater has an 'updated' transformer for $212 plus shipping. Adam has decided to go with the Egnater version, so that's on order. To be continued...

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