Heidelberg Power Part Board LTK500 HDM (91.144.8062) The Heidelberg Power Part Board LTK500 HDM is a critical circuit board component for offset printing machines. As a professional supplier, GUANGZHOU XIANGCHEN PRINTING EQUIPMENT CO., LTD provides high-quality original and replacement parts for the Heidelberg series. Reliable Supply: Most Heidelberg circuit boards are available in stock for immediate dispatch. Wide Compatibility: Designed for SM/CD 102, XL105, SM/CD/CD 74,