Introduction

The circuit board in the MRV-M500 contains all the electrical components necessary to the amplifier's function. A number of issues could cause a circuit board to malfunction and require replacement. To replace the circuit board, you will need a small Phillips screwdriver and a replacement circuit board.

Tools

  1. Remove all the Phillips 10.0mm and 7.0mm screws on the outside of the case.
    • Remove all the Phillips 10.0mm and 7.0mm screws on the outside of the case.

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  3. Remove all Phillips 7.5mm, 12.5mm, and 10.5mm screws holding the circuit board to the case.
    • Remove all Phillips 7.5mm, 12.5mm, and 10.5mm screws holding the circuit board to the case.

    • Make sure the device has been powered off and disconnected from the power source for at least a day before touching the electronic components.

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    • Remove the circuit board from the case.

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Conclusion

To reassemble your device, follow these instructions in reverse order using the replacement circuit board.

Eric Gaulke

Member since: 09/17/2018

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