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Two 199C units were picked up on eBay for parts. Both are incomplete, but one is more so. The other one was repaired. A keypad board was designed and manufactured. Despite of a silly mistake, this first version turned out to be usable. The second unit also shows some hope, but it needs a memory module and a power connector. It also features a very ugly spot on its LCD. And both units need batteries, so, perhaps, yet another li-ion battery upgrade is coming. Hopefully.
Followup video: • #94 - Fluke scopemeter...
Forum: www.eevblog.com/forum/repair/...
Connector on Mouser: www.mouser.com/ProductDetail/...
FFC on Mouser: www.mouser.com/ProductDetail/...
Fan on Mouser: www.mouser.com/ProductDetail/...