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The repair of a Technics ST-Z45L (circa 1982) tuner. Warning this is for Electronic Engineers and competent technicians only – Very Exposed Mains Voltage! However, I found it a reasonably easy repair and (albeit for another model) managed to find a downloadable circuit diagram. **Please help me purchase more components for more projects/repairs. To make a donation: https://paypal.me/ThankyoufromBeamer?... Contact me: beamerelectronics@gmail.com #Beamer #Technics #Repairs #righttorepair Notes: The 2 Gold Super Caps are connected in series and when fully charged should be about 4.5VDC. My added small heatsink and replacement transistor (Q701) mustn't be physically too high above the board – will short out when the case top is fitted! Once finished, the very small hole I drilled on the back of the main's switch can be covered by electrical tape. Links: ST-Z55 circuit diagram download: https://elektrotanya.com/keres Q701 (2SD762) datasheet: https://alltransistors.com/transistor... TIP41c datasheet: https://alltransistors.com/transistor... Buying a TIP41c (sometimes RS doesn't charge P&P - if ordering online?): https://uk.rs-online.com/web/p/bjt-bi... Gold Cap, buy RS: https://uk.rs-online.com/web/p/electr...