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High Frequency Driver replacement continued:

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10 Four headless screws need to be removed from the high frequency driver. Pliers could help if the screws are too tight. Turn counter-clockwise to loosen and remove, clockwise to tighten. Keep the four headless screws in a safe place. Place the new high frequency driver (part #0008093) where the old one was. Follow the same steps as above, but backwards 10 to 1. Power up the SR1522z and the new driver should now be pumping out those highs again. Fantastic, you just replaced a high frequency driver!