@adriansdigitalbasement
  @adriansdigitalbasement
Adrians Digital Basement | Repairing two VIC-20 motherboards @adriansdigitalbasement | Uploaded April 2022 | Updated October 2024, 7 hours ago.
#repair #deoxitthatsocket #commodore

On today's video, I'm going to repair a couple VIC-20 motherboards that aren't working. Both show a black screen as I found in a recent SMMC video. Let's figure out what's wrong with these and get them working again!

--- Video Links

SMMC episode where these VIC-20 motherboards were first looked at:
youtube.com/watch?v=NYybIWL2o0o

Hantek 2C42 $125 2-channel portable oscilloscope:
youtu.be/puWXEqVQ4Yk

Hantek 6022BE $60 2-channel USB oscilloscope:
youtu.be/8ts5J09Y7Gc

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

-- 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

--- Links

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

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

--- Instructional videos

My video on damage-free chip removal:
youtube.com/watch?v=XQVjwPsVFd8

--- Music

Intro music and other tracks by:
Nathan Divino
@itsnathandivino
Repairing two VIC-20 motherboardsI have a huge Apple //e problemUsing 90s tech to connect SCSI devices to modern computers in 2022ClearVideo 128: A fix for C128 jail bars?It was a long road to booting DOS68 on the old SWTPC 6800Having fun fixing some C64sAn Apple IIgs motherboard, a VIC-20 with missing parts, some unknown C64 carts and more!The Field Found Amiga 500 broke again and it was all my fault!From junk to awesome: Fixing an old monitor by swapping the CRTRetrobrighting worked well ... until it didnt (Atari ST 520)TRS-80 Model 4P 80-column crash repair (Part 2)EGA RAM expansion from NZ, testing a Commodore Plus/4, a 1531 Datasette and some ESD protection ⚡

Repairing two VIC-20 motherboards @adriansdigitalbasement

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