# \#psu

**URL:** https://forums.syntaur.com/tag/psu/3040.md

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## [Korg Poly 61 Power supply over voltage - Updated schematic](https://forums.syntaur.com/t/korg-poly-61-power-supply-over-voltage-updated-schematic/9512)

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**Author:** [@Remodulator](https://forums.syntaur.com/u/Remodulator)\
**Replies:** 0\
**Last updated:** [July 22, 2026, 11:31am UTC](https://forums.syntaur.com/t/korg-poly-61-power-supply-over-voltage-updated-schematic/9512 "2026-07-22T11:31:43Z")

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Korg - Poly 61 +/- 15v Power supply over voltage Sharing some technical notes after a successful repair of Korg Poly 61 that had cooked a bunch of op-amps on its synth board, thanks to a power supply that was way over v…