{"product_id":"a-18159-wpc-10-opto-switch-1","title":"A-18159 WPC 10 Opto Switch","description":"\u003cp\u003e\u003cspan\u003eA faithful, electrically and visually accurate reproduction of the original WPC 10-Opto board, built using modern, high‑quality components and matched routing.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eTechnical Features\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e- Two board variants for mounting parallel to the playfield (A-15430) or perpendicular (A-18159 – brackets not supplied).\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e- Brand new board built using original‑spec components from reputable manufacturers\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e- Improved thermal performance around the high-power resistors\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e- Quality Molex connectors\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e- Authentic schematic‑correct design — all component placement, connections and routing match the original board and schematic\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e- Fully tested\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eWhy choose this board?\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eAlthough generally reliable, this board is known for cosmetic heat damage around the 10 high-power resistors. Mounting the resistors away from the board surface and allowing heat to dissipate through additional PCB vent holes reduces heat build-up in this area.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eThis board is also known for damage from a leaking electrolytic capacitor, and for faulty LM339 comparators – resulting in intermittent switch errors.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eEven when repaired, you’re still relying on components that have already lived a long service life, and a discoloured PCB.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eThis board is a clean, drop‑in replacement that behaves exactly like the original — same timing, same routing philosophy, same component choices — but built with fresh silicon and clean copper.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eFor restorations, long‑term reliability, or machines that see regular play, a new board is often a better solution than continuing to patch an ageing original.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eIf you want a board that:\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e- Drops straight in\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e- Looks and behaves like the factory original\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e- Uses quality components and connectors\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e- Matches the original schematic and routing\u003c\/span\u003e\u003c\/p\u003e","brand":"My Store","offers":[{"title":"Default Title","offer_id":58775282483584,"sku":null,"price":35.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1013\/2016\/3712\/files\/Component_Side_60f744a3-0b0a-49f3-b771-c8de46c0b4c8.jpg?v=1787669707","url":"https:\/\/mccircuitworks.com\/products\/a-18159-wpc-10-opto-switch-1","provider":"My Store","version":"1.0","type":"link"}