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Adcom GFA-545II Stereo Amplifier - No Left Channel Output! GFA545



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Just had an Adcom GFA-545 II come in with the complaint of no left channel sound. All I could find were 2 blown fuses. I did test the output, driver, and bias transistors also.

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00:00 Intro and first tests
00:39 Checking left channel fuses
01:50 Checking transistors
04:18 Checking AC current
04:44 Audio tests
05:05 A look at the fuses
06:05 Final thoughts/Closing words
Category
Audio
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