A repair of this Tennismatic T1000 remote control was way more interesting than I expected.https://tennismatic.com/main/page_products_ball_machines_t100_series.htmlForum: https://www.eevblog.com/forum/blog/eevblog-1702-a-most-interesting-repair/00:00 - Tennismatic 1000 Tennis ball machine remote control00:53 - Battery snap ohms measurement01:17 - Battery current measurement02:29 - It's a row/column thing02:57 - Teardown05:20 - Membrane inspection 06:44 - Membrane keypad continuity test07:25 - Pro Tip: Using multimeter as a shorting lead. Testing the microcontroller.09:27 - Is it the membrane connector?10:17 - What would take out the entire keypad?12:10 - Closer inspection of the contacts12:44 - Ah Ha! What's this?13:48 - Inspecting and testing the row membrane connections15:01 - Conductive silver ink time16:41 - The culprit identified18:48 - Let's try some fresh conductive silver paint21:36 - DAMN IT! Dave goofs.22:56 - How conductive silver ink/paint works24:01 - Measurements after curing26:01 - Winner Winner Chicken DinnerWeb Site: http://www.eevblog.comHardware Store: https://eevblog.store/Merch Store: https://eevblog.dashery.com/If you find my videos useful you may consider supporting the EEVblog on Patreon: http://www.patreon.com/eevblogOther channels:EEVblog2: http://www.youtube.com/EEVblog2EEVdiscover: https://www.youtube.com/eevdiscover#ElectronicsCreators #Repair #Tennis...https://www.youtube.com/watch?v=BSqKN2AaGqI

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