Using a NOP Generator to help fix a dead 1541C drive (Bonus Track 1 Sensor demo)
Time for another Commodore 1541 disk drive repair. This time it's a 1541C, the last large 1541 drive made. This drive sports the Newtronics mechanism with Track 1 (aka Track 0) sensor which must be enabled to work. I use a NOP generator to help fix this drive and explain how these work.
--- Video Links
More information on the NOP generator for the 6502 and Z80 including how to make one:
https://youtu.be/9Ms6QR4r93I
8-Bit Guy's Commodore Disk Drive Video:
https://www.youtube.com/watch?v=6QBXY8dx8ZA
C64C Repair and PAL Modification video:
https://www.youtube.com/watch?v=31f534THCdc
First Commodore 1541 Repair Video:
https://youtu.be/Gl_WRg6jDR8
ROM images:
http://unusedino.de/ec64/technical2.html
6502 Reset Vector Information:
https://www.pagetable.com/?p=410
Programming the 6502: (Book)
https://archive.org/details/Programming_the_6502_OCR/page/n55/mode/2up
1541C drive donated by Geek With Social Skills:
https://www.youtube.com/user/geekwithsocialskills
--- Tools
Deoxit D5:
http://store.caig.com/s.nl/it.A/id.1602/.f
Jonard Tools EX-2 Chip Extractor:
https://www.jonard.com/Products/EX-2-DIP-IC-Extractor-24-40-Pins
Wiha Chip Lifter:
https://www.wihatools.com/precision-chip-lifter
Elenco Electronics LP-560 Logic Probe:
https://www.amazon.com/Elenco-Electronics-LP-560-Logic-Probe/dp/B000Z9HAP4
Hakko FR301 Desoldering Iron:
https://www.amazon.com/American-HAKKO-Products-FR301-03-Desoldering/dp/B07BFVFMS9
Rigol DS1054Z Four Channel Oscilloscope:
https://www.rigolna.com/products/digital-oscilloscopes/1000z/
Head Worn Magnifying Goggles / Dual Lens Flip-In Head Magnifier:
https://www.amazon.com/SE-Illuminated-Dual-Flip-Magnifier/dp/B003UCODIA
TL866II Plus Chip Tester and EPROM programmer: (The MiniPro)
https://www.aliexpress.com/item/33000308958.html
TS100 Soldering Iron:
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://www.ebay.com/itm/USB-Logic-DSLogic-Basic-Analyzer-16Ch-100MHz-4Ch-400MHz-Xilinx-Spartan-6-FPGA/202543965672
Magnetic Screw Holder: (also on eBay and Amazon)
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://www.amazon.com/Precision-Applicator-Projects-Quilling-Painting/dp/B0799BZKGZ
--- Links
My GitHub repository:
https://github.com/misterblack1?tab=repositories
Commodore Computer Club / Vancouver, WA – Portland, OR – PDX Commodore Users Group
https://www.commodorecomputerclub.com/
--- 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
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/
--- Donate
To donate to the basement:
Adrian Black / Mail Call PMB 244
4110 SE Hawthorne Blvd.
Portland, OR 97214-5246
United States
Видео Using a NOP Generator to help fix a dead 1541C drive (Bonus Track 1 Sensor demo) канала Adrian's Digital Basement
--- Video Links
More information on the NOP generator for the 6502 and Z80 including how to make one:
https://youtu.be/9Ms6QR4r93I
8-Bit Guy's Commodore Disk Drive Video:
https://www.youtube.com/watch?v=6QBXY8dx8ZA
C64C Repair and PAL Modification video:
https://www.youtube.com/watch?v=31f534THCdc
First Commodore 1541 Repair Video:
https://youtu.be/Gl_WRg6jDR8
ROM images:
http://unusedino.de/ec64/technical2.html
6502 Reset Vector Information:
https://www.pagetable.com/?p=410
Programming the 6502: (Book)
https://archive.org/details/Programming_the_6502_OCR/page/n55/mode/2up
1541C drive donated by Geek With Social Skills:
https://www.youtube.com/user/geekwithsocialskills
--- Tools
Deoxit D5:
http://store.caig.com/s.nl/it.A/id.1602/.f
Jonard Tools EX-2 Chip Extractor:
https://www.jonard.com/Products/EX-2-DIP-IC-Extractor-24-40-Pins
Wiha Chip Lifter:
https://www.wihatools.com/precision-chip-lifter
Elenco Electronics LP-560 Logic Probe:
https://www.amazon.com/Elenco-Electronics-LP-560-Logic-Probe/dp/B000Z9HAP4
Hakko FR301 Desoldering Iron:
https://www.amazon.com/American-HAKKO-Products-FR301-03-Desoldering/dp/B07BFVFMS9
Rigol DS1054Z Four Channel Oscilloscope:
https://www.rigolna.com/products/digital-oscilloscopes/1000z/
Head Worn Magnifying Goggles / Dual Lens Flip-In Head Magnifier:
https://www.amazon.com/SE-Illuminated-Dual-Flip-Magnifier/dp/B003UCODIA
TL866II Plus Chip Tester and EPROM programmer: (The MiniPro)
https://www.aliexpress.com/item/33000308958.html
TS100 Soldering Iron:
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://www.ebay.com/itm/USB-Logic-DSLogic-Basic-Analyzer-16Ch-100MHz-4Ch-400MHz-Xilinx-Spartan-6-FPGA/202543965672
Magnetic Screw Holder: (also on eBay and Amazon)
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://www.amazon.com/Precision-Applicator-Projects-Quilling-Painting/dp/B0799BZKGZ
--- Links
My GitHub repository:
https://github.com/misterblack1?tab=repositories
Commodore Computer Club / Vancouver, WA – Portland, OR – PDX Commodore Users Group
https://www.commodorecomputerclub.com/
--- 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
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/
--- Donate
To donate to the basement:
Adrian Black / Mail Call PMB 244
4110 SE Hawthorne Blvd.
Portland, OR 97214-5246
United States
Видео Using a NOP Generator to help fix a dead 1541C drive (Bonus Track 1 Sensor demo) канала Adrian's Digital Basement
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22 февраля 2020 г. 20:36:07
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