TAN8550 Repair Tips




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MakeModel Ch.SymptomProblem SolutionSolutionBy:
SonyTAN8550
MISSING CONNECTION DC balance circuit in class A amp board does not function.Due to missing plating in ground line circuit. This in turn supplies DCvoltage on 0 volt line which in turn causes VFET failure. Also I feelthat if the value of RT701 22 kohm DC bias adjustment