The TIANJIN BAILI ERTONG MACHINERY SM-20 is a high-performance machinery designed for efficient operations. To ensure seamless functioning, it comes with a comprehensive Operation Manual available for free download on our website. Get the most out of your product by accessing the manual at manualshive.com, delivering detailed instructions for optimum performance.
Q1,Q2, as shown on pcb matches 2N4401 & 2N3904. BC547B & 2N2222 may require mounting 180 deg. Please verify pin-out of the transistors you have per manufacturer data-sheet.