Parts were falling out of this monitor (Leading Edge DR-1240 repair) @adriansdigitalbasement
Parts were falling out of this monitor (Leading Edge DR-1240 repair)  @adriansdigitalbasement
Uploaded March 2025 | Updated September 2026, 2 weeks ago
I love saving these old parts from the landfill, and this stylish little Amber monitor was destined to to be recycled, so let's fix it.

-- Links

Leading Edge:
en.wikipedia.org/wiki/Leading_Edge_Products

DR-1240 Information: (Comes in green too!)
leadingedgecomputers.com/dr_1240_green_screen.html

Adrian's Digital Basement Merch store:
my-store-c82bd2-2.creator-spring.com

Adrian's Digital Basement ][ (Second Channel)
youtube.com/channel/UCbtwi4wK1YXd9AyV_4UcE6g

Support the channel on Patreon:
patreon.com/adriansdigitalbasement

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

-- Tools

Deoxit D5:
amzn.to/2VvOKy1
store.caig.com/s.nl/it.A/id.1602/.f

O-Ring Pick Set: (I use these to lift chips off boards)
amzn.to/3a9x54J

Elenco Electronics LP-560 Logic Probe:
amzn.to/2VrT5lW

Hakko FR301 Desoldering Iron:
amzn.to/2ye6xC0

Rigol DS1054Z Four Channel Oscilloscope:
rigolna.com/products/digital-oscilloscopes/1000z

Head Worn Magnifying Goggles / Dual Lens Flip-In Head Magnifier:
amzn.to/3adRbuy

TL866II Plus Chip Tester and EPROM Programmer: (The MiniPro)
amzn.to/2wG4tlP
aliexpress.com/item/33000308958.html

TS100 Soldering Iron:
amzn.to/2K36dJ5
ebay.com/itm/TS100-65W-MINI-Digital-OLED-Programmable-Soldering-Iron-Anti-static-Structure/113382669853

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

DSLogic Basic Logic Analyzer:
amzn.to/2RDSDQw
ebay.com/itm/USB-Logic-DSLogic-Basic-Analyzer-16Ch-100MHz-4Ch-400MHz-Xilinx-Spartan-6-FPGA/202543965672

Magnetic Screw Holder:
amzn.to/3b8LOhG
harborfreight.com/4-inch-magnetic-parts-tray-90566.html

Universal ZIP sockets: (clones, used on my ZIF-64 test machine)
ebay.com/itm/14-16-18-20-24-28-32-40-pin-IC-Test-Universal-ZIF-Socket-Fs/303206721971

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

Plato (Clone) Side Cutters: (Order Five)
ebay.com/itm/1-2-5-10PCS-Micro-Scissor-125mm-PLATO-170-Electronics-Cutter-Side-Cutting-Pliers/163458746184

Heat Sinks:
aliexpress.com/item/32537183709.html

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

--- Instructional videos

My video on chip removal without damage:
youtube.com/watch?v=XQVjwPsVFd8

--- Music

Intro music and other tracks by:
Nathan Divino
@itsnathandivino
Parts were falling out of this monitor (Leading Edge DR-1240 repair)Testing and repairing a mysterious Amiga art projectDoes this dead laptop have a gas plasma display? Lets try to revive it to find out! Samsung S5200TRS-80 Model 4 / TRS-80 CoCo mash up (CoCo Repack)The Zenith ZT-1 is kicking my butt and Im running out of ideas.Repairing a smashed-up Atari 400 computerBooting UNIX on the Plexus P/20 didnt go to planA Mac Classic with 4mb of RAM without using the RAM expansion cardVintage NES clones: Testing, comparing and improvingPC archeology: Treasure hunting inside old PCsI got stuck trying to fix this 40 year old RAM card (AST MegaPlus II)Restoring a Commodore 1702 monitor using a main board from 2023
Adrians Digital Basement |

Parts were falling out of this monitor (Leading Edge DR-1240 repair)

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