Vibration at output power meter PAKISTAN BROADCASTING CORPORATION › Forums › High Power Transmitters › Islamabad HPT-2 › Vibration at output power meter This topic contains 0 replies, has 1 voice, and was last updated by Asad Javed 2 years, 3 months ago. Viewing 1 post (of 1 total) Author Posts August 26, 2017 at 10:31 pm #1209 Asad JavedParticipant 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. Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic.