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System 11 4 Bank Drop Target Opto Board

Pricing: $40.00 each + S/H






This board is a complete redesign of the 4 bank drop target opto PCB found on many of the Williams System 11 pinball games.

Using the same great technology as our other products, this board offers improved optical power along with reduced current consumption and heat generation.


  • Lower current usage and heat generation
  • Larger traces and pads for better reliability and longevity.
  • Stiffer board reduces vibration.
  • Comes with new rubber grommets and e-clips.

Click on any image for a larger version.

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Warranty Information

Great Lakes Modular offers a 6-month limited warranty for this product against all workmanship defects! This warranty does not cover any damage caused from installation, modification, or use!

Liability Information

This product was designed as an aftermarket retro-fit into specific pinball machines only! Because Great Lakes Modular has no control over the conditions surrounding the installation and use of this product, the end user shall assume all liability and agrees to fully indemnify Great Lakes Modular and its agents, for any and all damages resulting from the installation and/or use of this product.

Technical Help

Should you encounter any problems with the opto board, please email us first! We will try to help as best we can to get the board installed and working!

Pricing: $40.00 each + S/H

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