# RD-700nx not powering up

**URL:** <https://forums.syntaur.com/t/rd-700nx-not-powering-up/6112>\
**Category:** Synth Repair\
**Created:** [August 23, 2023, 2:50pm UTC](https://forums.syntaur.com/t/rd-700nx-not-powering-up/6112 "2023-08-23T14:50:14Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![RalphB](https://forums.syntaur.com/letter_avatar_proxy/v4/letter/r/c5a1d2/32.png) [@RalphB](https://forums.syntaur.com/u/RalphB)\
**Post date:** [August 23, 2023, 2:50pm UTC](https://forums.syntaur.com/t/rd-700nx-not-powering-up/6112/1 "2023-08-23T14:50:14Z")

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Hi,

My Roland RD-700 nx won’t power up. I suspect that the power supply or the relay board has blown - electrical surge probably after lightning. Any ideas how I isolate the problem and how to acquire the parts?

cheers