Vibration at output power meter

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    Asad Javed
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    Problem : Vibration was observed at output load current meter

    Corrective Action performed:

    1. The audio input was checked in detail no variations found in audio feed.

    2. Then the pre-amplifier portion at control console checked. some moisture effects observed at  remote-2 Pre-amplifier

    3. the moisture effects removed with the help of contact cleaner, but improvement was 50%

    4.  Then the audio feed of satellite receiver patched to Remote-1 Pre-Amplifier at the control console. The vibration at power meter vanished.

    <span style=”text-decoration: underline;”>Root cause:</span>  The Pre- Amplifier of Remote-2 causing the vibration at power meter due to moisture.

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