Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
---|---|---|---|---|---|
Sony | TAN8550 | 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 |