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FMUSER FSN3.0-150W FM Radio Station 150W no power how to check ?
Published:2020/9/9 17:24:31 Visits:
1. First, measure whether the power supply of the control board DAC is normal. The normal voltage is about 0~5V, otherwise the DAC is broken and the control board needs to be replaced.
2. Measure the pre-drive power supply voltage of the control board to the ground. Normally it is about 0~12V, otherwise the pre-power supply is damaged and the control board needs to be replaced.
2. Measure the pre-drive power supply voltage of the control board to the ground. Normally it is about 0~12V, otherwise the pre-power supply is damaged and the control board needs to be replaced.
3. If the voltage of the control board is normal, then the voltage of the power amplifier tube in the power amplifier board should be measured. The normal voltage is about 2V, if it is 0V or 48V. Then the power amplifier board is damaged, and the power amplifier board needs to be replaced.
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