Today it's time to troubleshoot and fix a dead Apple IIc computer!
--- Time Code Jumps
0:52 - Intro to the Apple IIc
4:18 - Powering the machine up for the first time
8:40 - Starting the troubleshooting
11:42 - Dealing with rusty case screws
11:57 - More troubleshooting with the oscilloscope
29:18 - Upgrading the Apple IIc ROM from ROM 255 to ROM 0
32:14 - Using a Macintosh mouse on a IIc
33:59 - Figuring out why the machine doesn't always boot
--- Video Links
IZ8DWF's channel: (he always gives me great advice on fixing these old machines)
https://www.youtube.com/iz8dwf
Apple IIc ROM 0 upgrade:
https://www.bigmessowires.com/2015/05/29/apple-iic-rom-upgrade/
65C02 information:
https://en.wikipedia.org/wiki/WDC_65C02
Apple IIc Schematics:
https://mirrors.apple2.org.za/ftp.apple.asimov.net/documentation/hardware/schematics/
4164 DRAM Datasheet:
http://www.minuszerodegrees.net/memory/4164/datasheet_2164A.pdf
DRAM list from:
http://www.minuszerodegrees.net/memory/4164.htm
Apple II Technical Manual:
https://ia800607.us.archive.org/25/items/apple-ii-ref-manual/Image072217171023.duplex.merged.pdf
Apple II ROM Images: (including the Apple IIc ROM I used)
https://mirrors.apple2.org.za/ftp.apple.asimov.net/emulators/rom_images/
--- Tools
Deoxit D5:
https://amzn.to/2VvOKy1
http://store.caig.com/s.nl/it.A/id.1602/.f
Jonard Tools EX-2 Chip Extractor:
https://amzn.to/2VazxDS
https://www.jonard.com/Products/EX-2-DIP-IC-Extractor-24-40-Pins
Wiha Chip Lifter:
https://amzn.to/3a9ftWw
https://www.wihatools.com/precision-chip-lifter
O-Ring Pick Set: (I use these to lift chips off boards)
https://amzn.to/3a9x54J
Elenco Electronics LP-560 Logic Probe:
https://amzn.to/2VrT5lW
Hakko FR301 Desoldering Iron:
https://amzn.to/2ye6xC0
Rigol DS1054Z Four Channel Oscilloscope:
https://www.rigolna.com/products/digital-oscilloscopes/1000z/
Head Worn Magnifying Goggles / Dual Lens Flip-In Head Magnifier:
https://amzn.to/3adRbuy
TL866II Plus Chip Tester and EPROM programmer: (The MiniPro)
https://amzn.to/2wG4tlP
https://www.aliexpress.com/item/33000308958.html
TS100 Soldering Iron:
https://amzn.to/2K36dJ5
https://www.ebay.com/itm/TS100-65W-MINI-Digital-OLED-Programmable-Soldering-Iron-Anti-static-Structure/113382669853
EEVBlog 121GW Multimeter:
https://www.eevblog.com/product/121gw/
DSLogic Basic Logic Analyzer:
https://amzn.to/2RDSDQw
https://www.ebay.com/itm/USB-Logic-DSLogic-Basic-Analyzer-16Ch-100MHz-4Ch-400MHz-Xilinx-Spartan-6-FPGA/202543965672
Magnetic Screw Holder:
https://amzn.to/3b8LOhG
https://www.harborfreight.com/4-inch-magnetic-parts-tray-90566.html
Universal ZIP sockets: (clones, used on my ZIF-64 test machine)
https://www.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)
http://www.retrotink.com/
Plato (Clone) Side Cutters: (order five)
https://www.ebay.com/itm/1-2-5-10PCS-Micro-Scissor-125mm-PLATO-170-Electronics-Cutter-Side-Cutting-Pliers/163458746184
Heat Sinks:
https://www.aliexpress.com/item/32537183709.html
Little squeezy bottles: (available elsewhere too)
https://amzn.to/3b8LOOI
--- Links
My GitHub repository:
https://github.com/misterblack1?tab=repositories
Commodore Computer Club (of Portland, Oregon and Vancouver, Washington)
https://www.commodorecomputerclub.com/
Tivoo Pixel Art Display seen in my videos:
https://www.amazon.com/Divoom-Tivoo-red-Tivoo-Bluetooth-Speaker/dp/B07CVGYPTV
--- C64 Stuff
JaffyDOS:
http://blog.worldofjani.com/?p=3544
C64 Test Harness I use:
https://youtu.be/szSzA6T4Kdw
C64 Homebrew cartridge PCB: (used for the DeadTest / Diag Cart I use)
https://www.ebay.com/itm/Commodore-64-C64-C128-NEW-bare-HomeBrew-DEVelopment-cartridge-board-8-32k-2019/162430154398
EasyFlash 3 Multi-Cart:
http://store.go4retro.com/easyflash-3/
--- Instructional videos
My video on damage-free chip removal:
https://www.youtube.com/watch?v=XQVjwPsVFd8
--- Music
Francis Preve - Wild Pogo
Unicorn Heads - Telepathic Drive
Intro music by:
Nathan Divino
@itsnathandivino
Outro Music:
Abyss by | e s c p | https://escp-music.bandcamp.com
Music promoted by https://www.free-stock-music.com
Attribution 4.0 International (CC BY 4.0)
https://creativecommons.org/licenses/by/4.0/
--- Image Credits
Apple IIc pictures (used on Thumbnail and in video):
By Bilby - Own work, CC BY 3.0, https://commons.wikimedia.org/w/index.php?curid=11118452
Mac IIx Picture:
CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=31135
Apple IIgs Picture:
By Not specified. - http://www.allaboutapple.com/museo/appleii.htm., CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=1038527
Mac IIsi Picture:
CC BY-SA 2.5, https://commons.wikimedia.org/w/index.php?curid=610707