Marconi 2955A Repair fail self test 3.0 & 3.1& 3.3 FM MOD low, Component level repair.

Описание к видео Marconi 2955A Repair fail self test 3.0 & 3.1& 3.3 FM MOD low, Component level repair.

Marconi 2955A Repair failing test 3.0 & 3.1& 3.3 FM MOD low
We carry out a Component level repair of the Demod & Discriminator board responsible for demodulation of AM, FM & Phase mod signals on the transmitter test function, We look at how the circuit operates, the theory, make measurements of the IF Signal & its modulation, we then localise the fault to a particular board AB5 & pinpoint the failed component using fault diagnosis techniques.

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