Part 2 of the Keithley 2302 battery simulator repair of the VFD display. Just a follow-up on testing the actual VFD display itself to see if there is any fault that's not the VFD vacuum. 00:00 - Having another look at the failed Newhaven VFD dispaly module 05:37 - Measurign voltages 07:32 - Oscilloscope probing 08:33 - HELLO capacitor! But not the one I expected. 12:25 - To the SMD cap replacement kit 13:11 - Rail measurements again 14:38 - Big ripple improvement, but lets qild the lilly. 15:53 - Bugger! Ok, let's try the belt'n'braces approach. 17:21 - Winner Winner Extra Chicken Dinner! Forum: https://ift.tt/s9L6iOo How VFD Displays Work: https://www.youtube.com/watch?v=gZIRPJt69sM Hacking a VFD Display: https://www.youtube.com/watch?v=clUVEyi_YNM Web Site: http://www.eevblog.com Hardware Store: https://eevblog.store/ Merch Store: https://ift.tt/SQ08t3y If you find my videos useful you may consider supporting the EEVblog on Patreon: https://ift.tt/ZDsLKea 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
source https://www.youtube.com/watch?v=c_mmVFMXFQo
No comments:
Post a Comment