Denon PMA520AE Amplifier Repair

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Fault Amplifier in protection mode power LED flashing red. Internal inspection identified F902 blown F2.5 A located on the power input board. Fuse replaced and Amplifier powered via the a series 100 watt filament bulb. The bulb lit brightly indicating a short circuit, a cracking sound could also be heard from the power transformer. Primary of the transformer short circuit, Replacement Toroidal Transformer fitted specification 230, 14-0-14, 32-0-32 220VA. Amplifier fully tested working perfectly

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