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epitaxial planar transistors

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    Power Amp Repair - Bias Circuit - NPN Epitaxial Planar transistors

    I am repairing power amps on a JVC FX515VTN. There are 2SD636 NPN Epitaxial Planar transistors used in the bias circuit. The bodies of these transistors have a hard white coating, looks like it could be paint. I am positive the coating is not thermal compound paste. I looked at an Onkyo power...
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