Sansui 4900Z: Fuzzy Start | SDU1P Switch Rebuild скачать в хорошем качестве

Sansui 4900Z: Fuzzy Start | SDU1P Switch Rebuild

The Sansui Z-series is know for failed power switches due to arcing. In this video, we'll clean up the power switch and return it working order. If you're interested in any of the equipment I work on, most of it winds up on eBay to fund future projects: https://www.ebay.com/usr/cilynx -- Once the channel gets big enough, I'm hoping to give away finished units to patrons. Wish me luck! 00:00 Introduction 01:25 Disassembly 03:52 Arc Damage 04:35 Resurfacing Contacts 05:35 How the Assembly Works 06:08 Tensioning the Spring 07:01 Switch Reassembly (PITA) 09:26 Remounting the Switch 09:48 Replacing Bleed-Down Resistors 10:19 Reatteching Main Power Leads 10:41 Remounting Power PCBs 11:01 Power Test 11:21 Listening Test 13:46 Wrap up Useful products from the video: • DeoxIT Contact Cleaner and Fader Lube: https://amzn.to/2FMP5Zx • Hakko FX888D Solder Station: https://amzn.to/3hQ6LjQ • Irwin Cutters & Pliers: https://amzn.to/3mEIkJE • Irwin Strippers: https://amzn.to/3mB4nkG Videography gear: • Samsung Galaxy Note 9: https://amzn.to/3cbTktq • Audio-Technica AT899 Condenser Mic: https://amzn.to/35UkCTU • Steinberg UR22 USB Interface: https://amzn.to/3iNbiF6 • Gooseneck Phone Holder: https://amzn.to/33DI45a • 70" Tripod w/ phone mount: https://amzn.to/3cgqJmK Edited with ShotCut: • https://www.shotcut.org/ As an Amazon Affiliate, I receive commission for qualifying purchases.