Juki Sc-120 Page

Has anyone successfully replaced a capacitor on an SC-120, or is it time to buy a replacement unit? Any advice before I call a tech would be appreciated. Thanks!

Juki SC-120 Electronic Control Box – Works Perfectly

Here’s a proper post suitable for a forum, social media group (like a sewing or industrial machine community), or a classified ad, depending on your goal. juki sc-120

Selling a genuine Juki SC-120 AC servo motor control box. This was pulled from a working DDL-8700 industrial sewing machine that was upgraded to a newer unit.

Control box only (no motor or pedal). 110V version. Has anyone successfully replaced a capacitor on an

Good working condition. All functions tested: needle positioning works, speed is smooth across the full range, and the cooling fan runs quietly. Some cosmetic scuffs on the housing (see photos), but nothing affecting performance.

Help: Juki SC-120 motor running slow / jerky? Juki SC-120 Electronic Control Box – Works Perfectly

If you own a Juki industrial sewing machine, you know that the motor and control box are just as important as the head itself. The Juki SC-120 is a common electronic control box (often paired with the DDL-8700 or similar models) that delivers consistent, quiet power.

Many Juki industrial machines using a 400W clutch or servo motor conversion.