(Re-upload) Epson HX-20 #1 – World’s first laptop? Overview, Dim LCD fix, clean and test

Описание: Video sponsor: PCBWay: $5 for 2 layer PCBs with 24hr turnaround at https://www.pcbway.com/

YouTube somehow deleted this video so I am uploading it again.

In this video we take a look at what many consider to be the ‘World’s First Laptop’ computer, the Epson HX-20. This is an interesting computer which was incredibly small and energy efficient for its time. When a ‘portable’ computer at the time was a 10kg Compact producing a 1.75kg A4 paper sized portable computer was groundbreaking.

We’ll look at this piece of computer history and attempt to fix up the barely visible LCD display. What will be the cause? Join us and find out.

Timeline:
01:51 – Overview of HX-20 System
02:33 – Inspection and Disassembly
11:55 – Tour of the MOSU Board
13:30 – Leaking Capacitors
23:08 – Printer check up
26:14 – LCD cleaning
28:33 – Reassembly and Testing
35:18 – Impressions and Wrap up

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Links
HX-20 Technical Manual: https://archive.org/details/epson-hx-...
HX-20 Capacitor Map: https://www.soigeneris.com/document/v...
YACM Images: https://fjkraan.home.xs4all.nl/comp/h...
Wikipedia: https://en.wikipedia.org/wiki/Epson_H...
HX-20 Programs: https://web.archive.org/web/200910261...
Floppy Emulator: http://members.aon.at/~nkehrer/flashx...
Tops: https://www.mh-aerotools.de/hp/hx-20/
Research: https://eric.ed.gov/?id=EJ397832

Credits
Chiptune Thing No. 3 "Victory" by Steven O’Brien   / stevenobrien  
Creative Commons — Attribution 3.0 Unported— CC BY 3.0
http://creativecommons.org/licenses/b...
Music provided by Music for Creators    • Chiptune Thing No .3 Victory — Steven O’Brien