YouTube doesn't want you know this subscribers secret
Get Free YouTube Subscribers, Views and Likes

Another left for dead machine: a TRS-80 Model II

Follow
Adrians Digital Basement

#septandy2021

I haven't had a TRS80 machine on the channel in a while, so how about we take a look at this pretty rare TRS80 Model II from 1979. It was left out in the in the elements so can this thing ever work again?

0:00 Video Intro
1:20 Introduction to the TRS80 Model II
3:36 Tour of the machine
11:04 Disassembly process
31:53 Conclusion and outro

Part 1: This video!
Part 2:    • I actually got something working on t...  
Part 3a:    • This is how to use an 8" disk drive o...   (using 8" drives on a PC)
Part 3b:    • This is how floppy drive termination ...   (all about termination)
Part 4:    • I'm really scared to turn the TRS80 ...  
Part 5:    • I fixed the TRS80 Model II  
Part 6:    • How to fix a Keytronic foam and foil ...  
Part 7:    • Using an $25 Gotek floppy emulator in...  

Video Links

TRS80 Model II Wikipedia:
https://en.wikipedia.org/wiki/TRS80_...

TRS80 Model II Documentation:
https://electrickery.hosting.philpem....

Adrian's Digital Basement ][ (Second Channel)
   / @adriansdigitalbasement2  

Support the channel on Patreon:
  / adriansdigitalbasement  

Tools

Deoxit D5:
https://amzn.to/2VvOKy1
http://store.caig.com/s.nl/it.A/id.16...

ORing Pick Set: (I use these to lift chips off boards)
https://amzn.to/3a9x54J

Elenco Electronics LP560 Logic Probe:
https://amzn.to/2VrT5lW

Hakko FR301 Desoldering Iron:
https://amzn.to/2ye6xC0

Rigol DS1054Z Four Channel Oscilloscope:
https://www.rigolna.com/products/digi...

Head Worn Magnifying Goggles / Dual Lens FlipIn Head Magnifier:
https://amzn.to/3adRbuy

TL866II Plus Chip Tester and EPROM programmer: (The MiniPro)
https://amzn.to/2wG4tlP
https://www.aliexpress.com/item/33000...

TS100 Soldering Iron:
https://amzn.to/2K36dJ5
https://www.ebay.com/itm/TS10065WMI...

EEVBlog 121GW Multimeter:
https://www.eevblog.com/product/121gw/

DSLogic Basic Logic Analyzer:
https://amzn.to/2RDSDQw
https://www.ebay.com/itm/USBLogicDS...

Magnetic Screw Holder:
https://amzn.to/3b8LOhG
https://www.harborfreight.com/4inch...

Universal ZIP sockets: (clones, used on my ZIF64 test machine)
https://www.ebay.com/itm/14161820...

RetroTink 2X Upconverter: (to hook up something like a C64 to HDMI)
http://www.retrotink.com/

Plato (Clone) Side Cutters: (order five)
https://www.ebay.com/itm/12510PCS...

Heat Sinks:
https://www.aliexpress.com/item/32537...

Little squeezy bottles: (available elsewhere too)
https://amzn.to/3b8LOOI

Links

My GitHub repository:
https://github.com/misterblack1?tab=r...

Commodore Computer Club / Vancouver, WA – Portland, OR – PDX Commodore Users Group
https://www.commodorecomputerclub.com/

Instructional videos

My video on damagefree chip removal:
   • How to remove chips without damaging ...  

Music

Intro music and other tracks by:
Nathan Divino
@itsnathandivino

posted by kongavaldbk