<p>➀ The author seeks advice on replacing vintage 1985 Philips capacitors (X-capacitor and MKT type) in a motor controller board after previously replacing a faulty tantalum capacitor;</p><p>➁ Details include concerns about the polyester-paper X-capacitor's reliability and uncertainty about the MKT capacitor's specifications;</p><p>➂ Asks the community to determine if these aging components require replacement for safety and functionality.</p>