No.188 - HP 3458A 8.5 Digit Multimeter Repair - Part 3

Focus moves to the 3458A A3 A/D board and a catastrophic problem is found, but I formulate a route ahead using a 3rd party Pcb. #electronicscreators If you prefer Odysee for my videos then visit my channel here - https://odysee.com/@IanScottJohnston:... 🎵 My Playlists: ▶    • Multimeter Repairs   ▶    • Test Equipment Repairs   ▶    • Other Electronic Repairs   ▶    • Electronic Shorts   ▶    • Power Supply Repairs   ▶    • Workshop stuff   ▶    • Test Equipment Reviews   ▶    • Function Gen Repairs   Visit my website for lots more - https://www.ianjohnston.com Help me make more of these videos: Pledge using Patreon -   / iansjohnston   Donate using PayPal - https://www.paypal.me/IanSJohnston Follow me on Twitter -   / iansjohnston   My video gear = Panasonic HC-X1500 4k/60 with VW-HU1 handle, Deity V-Mic D4 Mini supercardioid microphone.