https://stream.echo6.co/videos/watch/eb86b3eb-7572-4cec-8363-c5d51231b5ca Repair of a Keithley 2302 battery simulator with junk bin parts. But it did put up a fight! Teardown video: https://www.youtube.com/watch?v=5LK8wduZsy0 Forum: https://www.eevblog.com/forum/blog/eevblog-1664-repair-with-junk-bin-parts!-keithley-2302/ 00:00 - Faulty VFD display in a Keithley 2302 Battery Simulator 01:22 - Teardown 03:14 - The Display driver PCB 04:30 - Solder Sucking Sucks 05:26 - The VFD display module, a Newhaven Display VFM162SDAR8 06:50 - Probing Pro Tip 07:28 - Probing the VFD signals on the oscilloscope 09:42 - Searching for a replacement 16x2 VFD display 15:03 - Potential replacement LCD 16:38 - Identical replacement found 17:44 - Lets check the junk bin... 18:33 - Pinout trap for young players 19:25 - First test FAIL, but hold on a second, lets try something... 21:09 - Winner Winner Chicken Dinner 22:12 - WOAH, now it's not working? 24:09 - Lets try THIS... Web Site: http://www.eevblog.com Hardware Store: https://eevblog.store/ Merch Store: https://www.teepublic.com/stores/eevblog?ref_id=37825 If you find my videos useful you may consider supporting the EEVblog on Patreon: http://www.patreon.com/eevblog Or with crypto: BTC: 33BsprBQNBtHuVzVwDmqWkpDjYnCouwASM ETH: 0x68114e40ff4dcdd384750500501e20acf3875f8c BCH: 35n9KBPw9T7M3NGzpS3t4nUYEf9HbRmkm4 USDC: 0x68114e40ff4dcdd384750500501e20acf3875f8c LTC: MJfK57ujxy55su4XicVGQc9wcEJf6mAoXF Other channels: EEVblog2: http://www.youtube.com/EEVblog2 EEVdiscover: https://www.youtube.com/eevdiscover #ElectronicsCreators #Repair #keithley Wed, 15 Apr 2026 13:30:03 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://stream.echo6.co https://stream.echo6.co/client/assets/images/icons/icon-512x512.png https://stream.echo6.co/videos/watch/eb86b3eb-7572-4cec-8363-c5d51231b5ca All rights reserved, unless otherwise specified in the terms specified at https://stream.echo6.co/about and potential licenses granted by each content's rightholder.