Marantz PM44SE Amplifier Repair (With Audio Tutorial)

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  • Опубліковано 7 вер 2024
  • Fault
    Amplifier not powering on.
    Power input protection fuse blown, replaced T 1.6 Amp
    Further checks mad an dry solder joints found on the Amplifier circuit board.
    Dry joints re-flowed.
    Output transistors checked right channel failure.
    Original Toshiba Devices fitted, 2SC3182 & 2SA1265.
    Speaker protection relay also replaced due to the age of the Amplifier.
    24 V DC Coil DP/CO
    User controls and switches cleaned with De-Oxit to ensure noise free operation.
    Bias for each channel set to 14 millivolts.
    Amplifier fully tested working correctly.

КОМЕНТАРІ • 12