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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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