# Roland Fantom F core board repair **URL:** \ **Category:** Synth Repair\ **Tags:** roland, no-power, no-audio, keybed-contacts\ **Created:** [June 10, 2026, 12:03am UTC](https://forums.syntaur.com/t/roland-fantom-f-core-board-repair/9482 "2026-06-10T00:03:01Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![rikmid](https://forums.syntaur.com/letter_avatar_proxy/v4/letter/r/5f8ce5/32.png) [@rikmid](https://forums.syntaur.com/u/rikmid)\ **Post date:** [June 10, 2026, 12:03am UTC](https://forums.syntaur.com/t/roland-fantom-f-core-board-repair/9482/1 "2026-06-10T00:03:01Z")
ROLAND fantom ex7 how to repair F core mainboard > Add tags before posting: brand + model > e.g., korg, models-korg-m1, no-power > If your model isn’t listed: use models–tbd (e.g., models-korg-tbd) and post the exact model in the pinned “Request a new model tag” thread. We’ll add it and retag. > When your issue is fixed, please mark the reply that solved it (click the ✓ “Solution” on that post). • Model & revision/OS: • Symptoms (what changed, when): • Tests already done (voltages, parts replaced): • Photos / audio clips: ---
**Author:** ![sargfowler](https://forums.syntaur.com/user_avatar/forums.syntaur.com/sargfowler/32/2120_2.png) [@sargfowler](https://forums.syntaur.com/u/sargfowler)\ **Post date:** [June 10, 2026, 6:41am UTC](https://forums.syntaur.com/t/roland-fantom-f-core-board-repair/9482/2 "2026-06-10T06:41:40Z")
Can you provide more information please? ---
**Author:** ![rikmid](https://forums.syntaur.com/letter_avatar_proxy/v4/letter/r/5f8ce5/32.png) [@rikmid](https://forums.syntaur.com/u/rikmid)\ **Post date:** [June 10, 2026, 6:29pm UTC](https://forums.syntaur.com/t/roland-fantom-f-core-board-repair/9482/3 "2026-06-10T18:29:40Z")
The keyboard hangs at startup with only the white Roland logo screen showing. Took it to a local Roland technician and was advised I need a new F-CORE BOARD. That is the mainboard. Can’t find a replacement part. Thinking of scrapping the keyboard