Is your buttonhole machine experiencing delayed pedal response, sudden speed surges, or a complete loss of foot control signal? The industrial-grade Pedal PCB For Jack 781D is the exact electronic replacement board required to bring your machinery back to peak operational safety and efficiency.

This genuine Qixing motherboard component features premium circuit soldering and heavy-duty capacitors designed to handle continuous voltage shifts during high-speed production cycles.

Broad Compatibility & Versatility

Beyond functioning as an exact match for the Jack 781D buttonholer, this versatile controller board integrates seamlessly across multiple generations of electronic Jack machinery, including:

• Button Hole Units: Jack 781D Series

• Lockstitch Machines: Jack A2S, Jack A2-CQ, and Jack A3

• Heavy-Duty Equipment: Jack 6380BC

Key Features & Technical Details

• Authentic Qixing Engineering: Features the official factory part designation SM-F-V9.07A for authentic system integration.

• Precise Foot Signal Processing: Eradicates machine lagging and dead spots in the pedal stroke for clean, uniform stitch cycles.

• Solid-State Durability: Resistant to vibration, dust accumulation, and overhead heat typical in busy apparel factory floors.

• Plug-and-Play Installation: Standardized multi-pin connector ports allow for a quick drop-in swap, minimizing your production line downtime.

Don’t risk fabric damage or operator safety with a failing foot control board. Upgrade to a fresh Pedal PCB For Jack 781D today and maintain flawless synchronization on every stitch.