Commodore 64 harness S. Whether you’re a collector, enthusiast, or technician, this kit ensures thorough checks of your system’s I/O connections. mike351 Trollie Wallie Commodore 64. Whether you’re a seasoned user or just starting your journey with this iconic machine, taking advantage of online resources can greatly enhance your "The 6526 or 6526A CIA chip is the most commonly needed replacement chip for the Commodore 64 and 128. Sven Peterson's Diagnostic Harness. Alongside purchasing complete systems, over the past few years I’ve also accumulated a large quantity of incomplete circuit boards for “spares and repairs”, primarily from Commodore computers (VIC-20, VIC-20CR, C64, C64C, C16, Plus/4, C128, etc). All hardware Uses the same harness as the C64 Diagnostic Rev. We are now selling fully assembled C64/C128 Diagnostic Harnesses based off of Sven Peterson's designs. 6 posts • Page 1 of 1. Some argue that it is not needed and for the same amount of money you can buy a fully tested and working machine. C128 Diagnostic Carts use the same harness as the C64 Rev. It tests the RAM, ROMs and the peripheral chips (VIC, SID, CIA). Made with high quality materials (PCB,resistors 1%,layout revisited,ecc) What's in the box? 1) Keyboard dongle for C64 Oct 19, 2014 · Here's my finished harness, that I'll be shipping to Norway. C64 Diag. 586220 (326070-01) but with a different keyboard adapter. 13 sold. (My original harness was put together with hot glue and electrical tape. Commodore 64 / 128 6 in 1 Dead Test, Diagnostic and 1541 Tools - Versa64Cart USA. if anyone is interested in ordering a Harness from me. So I put together a new test harness and started checking all computers, 3 breadbins are OK and now I got an interrupt bad, 6526 U2 bad. Welcome to the Community for everything and anything relating to the Commodore 64! Skip to main content. Updated Nov 6, 2024; G-code; irmen / prog8. {"delay":300} Sponsored Sponsored Sponsored Sponsored Sponsored Sponsored. C128/128D DIAGNOSTIC REV 785260. Superior quality materials : resistors 1% ,Capacitor AVX, industrial pcb gol plated, edge connector real brand new Oct 18, 2021 · Diagnost6 test harness for the Commodore 64: The test harness I finally chose is one designed by Sven Petersen. mike351 and his keyboard joystick tester is nothing more than the 64 doctor cartridge missing all its harness and dongles. Whether you’re a collector, enthusiast, or technician, this kit ensures thorough checks of your Commodore C64 Diagnostic Test Harness. 1B (Micro SD) for COMMODOREHello,This is a tested and worki (DIY) COMMODORE So to be clear, this is just the tester? the harness and clip for in circuit (or soldered) chips needs to be purchased separately? Cheers. J&G Supply Co (257) 100% positive; Seller's other items Seller's other items; Contact seller; US svenpetersen1965 / C64-Diagnostic-Rev. Plus free original Commodore Diagnostic software rom! Commodore 64 Dead Test & Diagnostic Cartridge & Test Harness Set - USA seller. Commodore 64 Harness and Diagnostic Test Cartridge. Everything seems to work just fine. I've had this since sometime in the mid-80's when I was an authorized Commodore repair center. Connect all modules to their appropriate ports and then turn Commodore 64 / 128 Diagnostic Harness. Also makes you wonder if there's a less finger breaking combination you could press. REU, some other items), or because the base units themselves are not working. I will do a post about The #1 social media platform for MCAT advice. When I purchased my first Commodore 64 I also purchased a Commodore 128 Flat type model. Opens in a new window or tab. I have tested 4 Commodores 64 and just one is saying that all 6526 are OK. 92: Buy now! Commodore 64 128 Diagnostic Harness Diagnostic cartridge 586220 & 785260 - PREMIUM - (NEW) £54. Resources. bin is included in the archive. Commodore 64; ↳ General; ↳ Games; ↳ Games Competitions; ↳ Help & Support; ↳ Emulators; ↳ Scene; ↳ New Releases; ↳ Supermarket; 1 day ago · Eagle schematics and boards plus a combined panel of the three different boards for a C64 586220 diagnostic harmess. ROSMOLLER C64 DIAGNOSTIC. Commodore 64 250466 Board #1. Advantages of Using a Dead Test Cart. Unlock the Full Potential of Your Commodore 64: Harness the Power of Online Communities In the vast world of the Commodore 64, there is a treasure trove of knowledge waiting to be discovered. g. Together, these carts are very useful in identifying problems. Works on all Commodore 64 128 and 128D Models. I bought from @Boulderdash here, which is slightly cheaper than the eBay price. It states U1, U2, U18, U17 as BAD. /r/MCAT is a place for MCAT Commodore 64. This comprehensive Do it yourself C64Diagnostic Harness is designed to provide accurate testing and diagnostics for your Commodore 64. 586220 (326070-01). Top Rated Plus. Full disclosure: A percentage of each sale will go dir Made in the USA. 586220 is a widely accepted test tool for the Commod This Harness only works with 586220, 4. Sellers They called it the “Commodore 64 Final Test Diagnostic Cartridge Rev 586220” and to fully test every single port and function of the C64, a special cable harness is required to terminate all the external ports for a loop test. I still need to do more testing. 0. Otherwise you must run the test a I'm in the process of constructing the cable harness for Commodore's 586220 diagnostic cartridge. 0 and 785260 (1, 3 & 8). 586220 is a widely accepted test tool for the Commodore C64. When troubleshooting problems with a Commodore 64 there's a significant chance you will use both the Dead Test and the Diagnostic Cartridges (the latter, potentially with a harness) to aid in the fault finding Since starting to watch C64 repair videos a couple of years ago, I don't think I've seen anyone that hasn't experienced problems with their harness. The test harness allows testing of: Keyboard port; Serial Port; User port; Cassette Port; Joystick ports; The PCB’s/test harness is based on the design from the original test harness Sep 20, 2018 · Here’s my C64 system with harness installed and Diagnostic Cartridge running. C64/C128 IEC Cable. But this cartridge is still useful without the harness, and it is a great addition to my collection. $22. Fast forward a bit and I'm thinking about getting my hands on a VIC 20. Supermarket. SD2iEC & EPYX FAST LOAD CARTRIDGE V2. Buy, sell or trade C64 software and hardware. I bought one a couple of months ago from a company that sells them to test my two systems while doing various upgrades and I've had a cable connection issue twice. The diagnostic cart also had commodore 64 diagnostics 586220 cartridge 586220 diagnostics 586220 tests 586220 dongles 586220 diagnostic 586220 harness FAULTY COMMODORE REPAIR COMMODORE c64istanbul. The reason I made this version was to make the boards smaller so that all three boards can fit on one PCB panel and thereby reducing the cost of the PCB by two thirds when using May 24, 2021 · I want to buy a full test harness for my C128, that will be able to test (of course) as much as possible :-) My computer is working and can show a picture so Sep 29, 2021 · Yes, using the C64 test harness (without the cassette cable, since the SX-64 doesn't have a cassette port) KERNEL ROM BAD appears to be typical on the original 586220 since it doesn't recognize the checksum on the Kernel Rom (being it's Commodore 64 / 128 Diagnostic Harness . Code Issues Pull requests A harness for the Diagnostic Rev. 4 posts • Page 1 of 1. nc513 Rick Dangerous Posts: 1868 Joined: Mon Apr 05, 2010 5:59 am I just received 15 C64's, 4 V20's, and 15 1541's. The PCB’s/test harness is based on the design from the original test harness design as used by Commodore back in the day. 50: Buy now! Welcome to the Community for everything and anything relating to the Commodore 64! C64G, tests 100% OK with 586220 Diagnostics cart, with complete harness connected. Test harness interrupt bad 6526 U2 bad? For help with C64 hardware, software etc. Travis Durf Commodore, Retro Computers, Uncategorized February 11, 2019 January 22, 2023 6 Minutes. Interesting. . The Diag Harness is the ultimate add-on to the Dual Diag, C64 Diag and C128 Diag cartridges (it. Log in C64 8 in 1 Diagnostic & Test Cartridge 18,90 € Add to cart; C64 A/V Adaptor 26,90 € Add to cart; Tapuino SMD 24,90 € Add to cart; Commodore 64 Diagnostic Rev. It's a harness that has undergone a lot of development and I chose the latest version to build it. C-64 DIAGNOSTIC. plazma Trollie Wallie Posts: 396 Joined: Sun Jul 07, 2013 12:14 pm Location Testing the first board (boots OK in both video modes; diagnostic harness tests all pass OK). Is this true? It's rare to see one on eBay, but if one comes up again I'd like to be sure it's right for my C128s before I spend $100 on it. 21 posts 1; 2; I had watched the videos and read the websites on building a harness. There's ram and rom tests though Top. 3 posts • Page 1 Hi Everyone, Can anyone tell me why some diagnostic harness's have a wire from the joystick port tester leads to the cassette port and others don't? Commodore 64. A full test harness is included to test Keyboard port, Serial Port, User port, Tape Port and Joystick ports. 24 posts 1; 2; I didn't scrap them half an hour, few seconds only, like i did before when harness cables are also declaring errors on those ports. I've always assumed the C128 harness is the same as the C64 harness, since the ports are all the same (except 80-column video, but the harness doesn't test video anyway). Commodore 64 / 128 Diagnostic Harness. The test harness allows testing of. This is Compatible with 588121, 586220++/ , and 785260 diagnostic software. ly/AIInsightNews-----The post discusses how a Commodore 64 computer from 1982 is being used to run a Generative AI I had some problems random with my C64 on joy port #1. This is a DIY kit. So maybe all of the chips are testing just fine? Welcome to the Community for everything and anything relating to the Commodore 64! Members Online • ltpitt I'd recommend a Dead Test cart and a Diagnostic cart with test harness. We have a great online selection at the lowest prices with Fast & Free shipping on many items! The C64 Diagnostic Tool, powered by the iconic C64 Diagnostic Instruction Manual, smoothly guides you through ICs and components, tackling technical challenges and bringing your classic computing joy back to life. You can grab them on eBay. Top. New design for easy holding . General. Category. I expected that to be the case. New design for easy holding. Without diagnostic I can't find the problem, so, it seems to be "must have" toll for every C64 user. Can leave tests running 24h+, no errors. Uses OpenC64Cart. Best Commodore diagnostic testing kits??? Buy, sell or trade C64 software and hardware. I trust both of these rigs, but it is always nice to verify that both unit Commodore 64. $75. html Includes everything to run full testset in C64: - Userport pcb adapter (with random color 3d printed case) Dec 7, 2010 · I'm in the process of constructing the cable harness for Commodore's 586220 diagnostic cartridge. The two test carts that were available are the C64 Diagnostic cart and the C64 Dead Test cart. Add to cart. Now you can check all of the ICs, ROMs and I/O ports (I/O port checks Commodore 64 (50) Commodore 128 (26) Commodore 16/+4/VIC20 (8) Commodore Amiga (46) Tandy COCO (13) Goodies (4) Diagnostics. Keyboard dongle only for C64. Fig. The test harness I have has the joystick port dongles along with the ICs and resistors and capacitors all on a separate board connected to the cassette port adapter with a thin wire. Free returns. Note that the BAD results shown above are because I do not have a diagnostic test harness plugged in that sends the right signals from the various ports back to the cartridge. Which dead test cart is best? For help with C64 hardware, software etc. Embrace this feature and unlock the true power of the The definitive pictorial diagnostic guide for Commodore 64 computers. Commodore 64 Not Working, Black Screen, Random Characters, with SID Removed Works! I do not have any harnesses for testing just the cartridge itself. bostonman Diagnostic cart w/ harness is great to test all of the ins-and-outs in a machine that seems to be working, Ran the diagnostics cartridge (586220) and everything seems OK except for the failed SID and CIA tests, because I don't have the harness. C64/C128 Diag Harness. (Tested on Commodore 64 and Commodore VIC-20)This is a XANTHOS If running Diags with harness on the working C64 reports no errors with the same CIAs, then you most probably have a motherboard problem. Every utility that I try doesn't record any issues. I did the kind of Maintenance I had I just received a new C64 breadbin. Here is a close-up of When paired with the C64 Diag or the C128 Diag cartridge, the test harness provides the needed feedback to accurately test all of the I/O connections on your C64 or C128. Data. Home; Retro Rewind; Hysteria BBS; Sign In; Support Center; Commodore 64 - Get the best deals for Commodore 64 Harness at eBay. 8 posts • Page 1 of 1. 1: C64 FreeLoad. Also the 4066's in the harness are controlled by the signal coming out of Pin 5 (Write pin) of the Cassette Port. Code Issues Pull requests Part 2 in our look at the Commodore 64. The cartridge and test harness have been tested 100% but the seller will not be held responsible if you connect the PCB’s up incorrectly and damage your Commodore. 1B (Micro SD) for COMMODORE SD2iEC & EPYX FAST LOAD CARTRIDGE V2. C64 Freeload. Brand New · Commodore 64. The The Diagnostic Rev. com. To assist I've purchased the C128 diagnostics cartridge, and the C64/C128 test harness. The C64 Diagnostics 4. I got a "Commodore 64/64C/128 Dual Machine FULL Diagnostic Test Harness Assembly" board and it is making me crazy. Moved the 15 pin DSUB housing to the pinstrip female (don't know why I used that, might as well have mounted the cables in the shell) and used a 9pin DSUB housing for the tape connector. Running it on a PAL C64C with no harness, for some reason it complains about PLA and BASIC ROM as well as the expected ones. Nov 25, 2022 #1 I recently got a Diag harness from RetroRewind to help me with my troubleshooting, and I noticed they also had a seperate C128 dongle for that keyboard, and Commodore 64 Test Harness Set for Dead Test & Diagnostic Cartridge - USA seller. Commodore 64 250425 Board #10. The screen shows the results of the diagnostic tests and all tests pass (I did not connect the keyboard header here). 00 Add to Cart. Testing the first board (boots OK in both video modes; diagnostic harness tests all pass OK). Needed: Dead Test Cartridge or Program, Commodore 64. 586220 Harness 41,90 € Add to cart; SIDBlaster-USB Nano 38,90 € Add 8 in 1 Diagnostic and Test Cartridge for Commodore 64. Hello all, I just recently got my hands on my first Commodore 64, and am excited to see what it can do! Keep in mind that for a complete test you need to purchase also the extra hardware harness, but the harness is not needed for the RAM test. The test harness should only be used with 586220 and785260 diagnostic software. Star 164. So, I got the ICs from the other commodores and put on this "OK" board and on the diagnostic test it says that the 6526 are OK too. Works on both NTSC and PAL computers. Diagnostic harness. Time to test a 64 or twowith the cartridge and the diagnostic cartridgebut also, some Vic-20 tapes with a datasette, but in the midst of that, we find Commodore 64 128 Diagnostic Harness Diagnostic cartridge plus 586220 & 785260 £40. Zen. In need of a cable to get your disk drive or printer connected to your Commodore 64 or 128? We got y. This week we look at the dead test and diagnostic cartridge with test harness for the C64. Commodore 64 board #2 during restoration. Include description. This guide lists pictures of various Commodore 64 problem scenarios along with their descriptions and known causes. This the a Commodore 64 Diagnostic Test Harness only. For help with C64 hardware, software etc. Filter. The C64 FreeLoad will speed up your load times by up to 10X. Includes latest Diagnostic software rom: 586220 . Thread starter robert_sissco; Start date Nov 25, 2022; robert_sissco Experienced Member. Commodore 64 board #1 during restoration. $28. I figure if they work in the harness they are fine in the Commodore itself as well. (soldering skill needed). C-64 DIAGNOSTIC REV 4. Example of a Commodore 64 black screen fault. It is quite yellowed, after cleaning it looks a little better, but is still very yellow. The tenth board would output video but would not boot up correctly, displaying only a blank black screen with no border or text. Here you can find almost anything which was ever made for the commodore 64, and more is being added every day. sajtron Joe Blade Posts: 232 Fully compatible with all Commodore 64 models, including PAL & NTSC versions. Absolutely no issues found so far while using Kung Fu Flash, playing games for hours and leaving 1-file demos running for 24h+. This breakout box plugs into Com. 586220 Test for the Commodore C64 - svenpetersen1965/C64-Diagnostic-Rev. I've been trying to diagnose my C128DCRs - I can't tell if they are having problems due to external hardware (e. The C64 FreeLoad is a clone of the Epyx Fast Load and supports floppy drives, SD2IEC devices and the pi1541. It is not sufficient to plug in joysticks or cassette Commodore C64 Diagnostics Test Harness By Sven Peterson With 586220+ Cartridge Testing the ninth board (boots OK in both video modes; diagnostic harness tests all pass OK). The price is fair if you look what you get, perfect. In this video I clean and test an old Commodore 64 computer of unknown state (initially dead). $69. When I saw Retro Rewind had one ready to ship, I couldn't order Jul 21, 2013 · Commodore 64. The C64/C128 Diag Harness. The Diagnostic Rev. So maybe all of the chips are testing just fine?. commodore c64 harness diagnostic rev-586220. The MCAT (Medical College Admission Test) is offered by the AAMC and is a required exam for admission to medical schools in the USA and Canada. 04: Buy now! COMMODORE 64 C64 - REPAIR KIT - 8pcs RAM 4164 + 8pcs socket base (NEW) £15. 1 cart however states PLA and ROMS as OK. -586220-Harness Compatible with the Commodore 64, 64C, SX-64 and C128 (in 64 mode only). This harness is first on my list for buying a diagnostic tool for C64. Description Additional information Description. Diagnostic harness for Commodore VIC20 / VC20 This is a full test harness for your Commodore VIC20 or VC20 (PAL & NTSC) New design for easy holding Superior quality materials : resistors 1% ,Capacitor AVX, industrial pcb gol plated, edge connector real brand new What's in the box? 1) Keyboard dongle for VIC20 Commodore 64. paulo02 the diagnostic cart isn't very useful without the harness. Full test harness included to test. Schematics. Help & Support. mike351 Trollie Wallie ya and that same person sells bootleg hes cartridges and sells test cartridges that require harnesses , and misleads you into thinking its a full test system Something went wrong. Commodore 64 250466 Board #2. I use a “2 in 1, Dead Test + Diagnostic” cartridge (has two sides) I got on eBay for about $20 Commodore 64. 586220 Test for the Commodore C64. It needs to be able to test the 64/64C/128. -586220-Harness. Add to Cart. It can't be, because a C64 keyboard harness cannot plug into a C128. 10 shipping. CA diagnostic cartridge and harness. uwaterloo. Anything C64-related not covered below. The Commodore 128 worked when it arrived. Full test harness included to test LED color may vary this doesn't affect operation of the device. It includes a custom Commodore DOS wedge with simple keystrokes for various disk operations like loading, saving and listing the directory The Commodore 64 cartridge and test harness allows testing of: RAM; ROM; PLA; Sound; Keyboard port; Serial port; User port; Cassette port; Joystick ports; The PCB’s/test harness is based on the design from the original test harness design as The Commodore 64 (C64) is perhaps the best known 8-bit computing platform ever designed, rivaled only by the Apple II in terms of popularity and longevity. Fully compatible with all Commodore 64 models, including PAL & NTSC versions. Open menu Open navigation Go to Reddit Home. Works on all Commodore 64 Models. I got these for cheap in various job lots, with I am attempting to build a mechanical keyboard for the Commodore 64 based on this project at DIY MechBoard64 – breadbox64. From reading other posts online it seems these will always show bad if harness is not installed. 1 says user port is "NG 4 B" whatever that means (is there any manual to this alternate diag cart?) What I've tried so far: - cleaned all contacts, no difference What's the best test cartridge / harness out there? Top. 00 Experience the Web 0. Also we swap out those old This comprehensive Do it yourselfC64Diagnostic Harness is designed to provide accurate testing and diagnostics for your Commodore 64. To keep from going crazy, I worked on a bunch of PCB projects (mostly for Commodore computers). ApoRam Trollie Wallie Posts: 378 Joined: Sun Sep 06, 2020 12:59 am Location: California Age: 55. evietron Mikie BUT there are so many different sizes of chips in the C64, could a larger clips be used on a smaller IC chip, just a few pins hanging over the sides? Hmmm, should I buy one, that is Nope, but seems to be very interesting C64 Full Diagnostic kit and the feedback is great. To rule out ports or socket oxidation, you could use some Deoxit D5 on all ports and sockets. It was complete and in the original box. Commodore 64 Testing Harness works with Dead Test/Diagnosti c Cartridge. Otherwise those chips show BAD with a dead test cart. May 16, 2014 · on a working 64 64c board the cart will report back that u1-u2-u18 are bad due to no feedback from the harness or dongles the cassette , control port , serial port , user port , interrupt will also fail with no harness or dongles the keyboard will say opened with out its dongle all other chips/tests pass with a blue OK and the clock will work Jan 27, 2024 · But more likely contact oxidation, or bad harness, or motherboard problem. I was unaware that the test cartridge sent a signal to the joystick ports through this wire. Note that the Diagnostic 586220 is the only program on the cart Commodore 64. I bought a test cart with a full harness and loop-back connectors and found the problem in under a minute. CIA #1 (U1) was failing: easy fix. The Commodore C64 Diagnostic Setup. TESTED AS A UNIT IN A COMMODORE 64 and 128. Use it as a tool to assist in diagnosing C64 issues, to get a Port 1 Pin 1 to Port 2 Pin 1, and 2, 3, 4, 6. My harness uses modern 4066s fine, and I have seen some built ones that use SMD 4066s in the harnesses. The C64 Dead Test Cartridge is the ultimate cartridge to test your Commodore 64/64C/SX-64 ROM and RA. Why consolidate? It seemed eminently sensible. Comments (7) Likes (20) Upload photo Hello, This is a tested and working project. 7 posts • Page 1 of 1. Only a . I have an Ultimate II+ and I loaded the C-64 Diagnostic Rev 586220 cart. Also both CIA chips are marked as bad. 00 Check out our commodore 64 test harness selection for the very best in unique or custom, handmade pieces from our computers shops. So the U1 "Bad" is a false positive. Category: C64 Accessories. Moderator: Lemoners. So maybe all of the chips are testing just fine? Time to run the 64's through the RETROREWIND. 99. 95 Save up to 15% when you buy more. Buy It Now +$9. It continues to be a valuable resource for users, allowing them to harness the full potential of this legendary computer. 3 posts • Page 1 of 1. AND Test Harness. Commodore 64; ↳ General; ↳ Games; ↳ Games Competitions; ↳ Who can make the most useful Commodore 64 test/demo program that can still be manually entered in a reasonable amount of time. 586220 Harness Check out Sven’s page for an excellent resource about the harness! He has also remedied a problem where the keyboard dongle falsifying passes the user and control port tests. Commodore 64 board #2 before restoration. Hi, I am looking to purchase the ultimate Commodore diagnostic testing kit with harness. However, the interr Hi i am the creator of the Commodore 64 Diagnostic harness. However I did not purchase the keyboard adapter. However, it shows that 6526 U1, 6526 U2 and 6581 U18 are reported as I have the 'deluxe harness' for C64/C128 which includes diagnosis carts for both C64 and C128 and the C64 deadtest + joystick/keyboard tester. EACH BOARD & WIRE CONNECTOR IS COMPLETELY ASSEMBLE D, AND TESTED AS A SET IN A COMMODORE 64Sent well packaged in an anti-ESD bagThe Diagnostic Rev. DesTestMAX: A revolutionary new diagnostic ROM for the C64. 34 KB: Website: Download. Commodore 64 Diagnostic Rev. How reliable is the DIAG 586220 cart for PLA/CIA, or can a C64 seemingly work with dying chips? (normal- I don't have the harness yet. but no working harness so the other tests are hard to parse. Most of the salvageable circuit boards that I'd accumulated. This is one of those projects. This version is based on the work of Peter Schepers and Sven Petersen. Includes a reset button. please go to the link below: Port 1 Pin 1 to Port 2 Pin 1, and 2, 3, 4, 6. Overall my machine seems to be working, but I just brought it back to life a couple of days ago. Commodore 64 board #10 before restoration. However, I needed a test harness for my C64 rev 586220 diagnos Just finished soldering up the C64 diag 8k, can't seem to make that pressing keys trick work, it just restarts. This is a complete set for the C64 that includes the following:1) Keyboard dongle for C642) Serial Port dongle3) User port dongle4) Tape Port dongle C64 Diag Harness on Vic-20. C-64 DIAGNOSTIC REV 586220++. If Diags also report IRQ error, then it could also be a defective CPU. Commodore 64 250469 Board #2. The C128 and C128D have different keyboard connector. Superior quality materials : resistors 1% ,Capacitor AVX, industrial pcb gol plated, edge connector real brand new DIAGNOSTIC CONFIGURATION AVAILABLE May 17, 2023 · When I run the Diagnostics 586220 cart, it returns a bad PLA, a bad BASIC ROM and some of the ports (normal- I don't have the harness yet. This is an add-on to our C64/C128 Diag Harness. The test harnesses consist of 5 modules that are connected via ribbon cables (Flatcables). Boulderdash makes some decent quality ones at a very reasonable price, send him a PM. Only Harness included. PCB has durable hard gold edge connector and 45° chamfer. Whether you’re a collector, enthusiast, or technician, this kit ensures thorough checks of your Feb 18, 2018 · I designed full diagnostic harness based on schematics from https://ist. This kit is fully based on all the hard work of · Commodore 64 test harness. Now you can check all of the ICs, ROMs and I/O ports (I/O port checks requires a Full Test Harness) . Diagnost6 test harness for the Commodore 64: The test harness I finally chose is one designed by Sven Petersen. The Diagnostic Rev. The second board would output video but would So I put together a new test harness and started checking all computers, Commodore 64. com and I am looking for the 1x20 female DuPont-like connectors/housings, wire, and crimped pieces to make a harness that will connect the 1x20 through-hole pin header on the motherboard of the Commodore 64 to the 1x20 right-angle pin I finally got around to making a harness with a nice 3D printed case. I was lazy on ordering the stuff and just kept putting it off. 1. e5frog Just got a C64 Rev:A 326290 and during the 586220 Diag Cart Test with all the Diagnostic Harnesses installed, I was getting U1 and U2 6526 Chips BAD, Serial Commodore 64. Working on it). I've found two different schematics, one on Peter Scheppers Feb 11, 2019 · Commodore 64 Test Harness. About Me **** COMMODORE 64 DIAGNOSTIC TOOL **** Ik gebruik een diagnose cartridge met test harness om mij commodore 64 grondog te testen :-) Commodore 64; ↳ General; ↳ Games; ↳ Games Competitions; ↳ Help & Support; ↳ Emulators; ↳ Scene; ↳ New Releases; ↳ Supermarket; ↳ Protovision; ↳ RGCD/Psytronik; Lemon64; ↳ Website Discussions; ↳ Member Introductions; Off-Topic; ↳ Other 8-bit Commodore computers; ↳ Chit Chat The Commodore 64: A Revolutionary Computer that Defined an Era In the early 1980s, a groundbreaking computer was introduced to the world – the Commodore 64. Time: 10-15 minutes. Star 154. Get app Yeah, without harness you can get BAD results for many tests and at least with C64 those can lead you to wrong assumptions on faults. Here's my finished harness, that I'll be shipping to Norway. To test all interfaces, a feedback is required. (1) Keyboard dongle for C64. The first board needed a lot of work before it could even be powered on: it was missing its fuse, its A harness for the Diagnostic Rev. Joined Oct 12, 2021 Messages 404 Location Midwest U. The Diag Harness is the ultimate add-on to the Dual Diag, C64 Diag and C64/C128 Diag Harness. $18. Sponsored. This is my personal diagnostic setup. In order to use them, you need them in a cartridge. Commodore 64. Commodore 64 128C 128D Harness & 2 Cartridges w/6 Diag 2 Dead Tests Complete Set. This is a full test harness for your C64/C128 and it w orks on PAL&NTSC computers. SID chip sound test should pass. The serial dongle is not connected to the wiring harness, and The C64 A/V adaptor is the ultimate A/V output for the Commodore 64. Now you can check all of the ICs, ROMs and I/O ports (I/O port checks requires a About this site: CSDb (Commodore 64 Scene Database) is a website which goal is to gather as much information and material about the scene around the commodore 64 computer - the worlds most popular home computer throughout time. The longer software developers have to learn a particular platform, the more likely they are to find innovative ways to harness its power -- to pull off feats that the hardware engineers When fully assembled, this kit will provide a full test harness to test Keyboard port, Serial Port, User port, Tape Port and Joystick ports. I've found two different schematics, one on Peter Scheppers Task: Perform a Dead Test on a Non-Working Commodore 64 Computer. When trying to get my Commodore 64 up and running, I ended up buying a May 27, 2020 · Commodore 64 / 128 Diagnostic Harness + Diagnostic Cartridge (Plus) This is a full test harness for your C64/C128 and it works on PAL&NTSC computers. System: Commodore 128; Size: 7. 586220 Harness quantity. Tachyon Mikie Posts: 424 This comprehensiveC64Diagnostic Harness is designed to provide accurate testing and diagnostics for your Commodore 64. Commodore 64 PLA PLS100N MOS 906114-01 82S100 C64 SX64 - NEW - FAST SHIPPING USA. r/c64 A chip A close button. mrr19121970 Jumpman Posts: 3466 Joined: Tue Dec 22, 2015 9:36 am Location: Germany Age: 54. TESTED AS A UNIT IN A COMMODORE 64. Error: Embedded data could not be displayed. ca/~schepers/diagnostic. Here is your chance to. Cassette Port. I had purchased a 781220/586220 diagnostics cart a few years ago to help see what might be wrong when I Upcoming Events: I think you will need wiring harness, or loopback plugs. Home. User Control Panel; Logout Find many great new & used options and get the best deals for Commodore 64 / 128 Dead Test Diagnostic Cartridge 781220 Pn-314139-02 at the best online prices at eBay! Free shipping for many products! item 8 Commodore 64 Testing Harness works with Dead Test/Diagnostic Cartridge Commodore 64 Testing Harness works with Dead Test/Diagnostic Does anyone know if this C64 diagnostic harness will work with the C128 diagnostic cartridge?[ebay]160229770186[/ebay] Welcome to Commodore 128 Alive! . ) This was one This is a Complete Set. A. This is a full test harness for your C64/C128 and it works on PAL&NTSC computers. Any Retro (175) 100% positive; Seller's other items Seller's CBM 586220++ - Full system diagnostic, C64, C64C and SX-64. plazma Trollie Wallie Posts: 396 Joined: Sun Jul 07, 2013 12:14 pm Location Commodore 64 Dead / Diagnostic cartridge The cartridge includes the 586220+ diagnostic cartridge and the 781220 dead test cartridge which is. Still getting "BAD U1" after replacing 3 times. 2 in all it's glory, right from your Commodore 64 or 128. Fungus Jack The Nipper Posts: 753 Joined Commodore 64. Many carts these days will have a cart that can be switched between Dead Test and Diag. View cart for details. Back. May 3, 2015 · Commodore 64. $15. Everything seems to pass except anything the test harness would use (I don't have the test harness). Selected category Al Commodore 64. Okay, apparently the issue has to do with the control port harness expecting the keyboard harness to be plugged in. Yeah, but grab a diagnostic harness. Feb 18, 2018 · I designed full diagnostic harness based on schematics from Includes everything to run full testset in C64: - Userport pcb adapter (with random color 3d prin Sep 20, 2023 · Just got a C64 Rev:A 326290 and during the 586220 Diag Cart Test with all the Diagnostic Harnesses installed, I was getting U1 and U2 6526 Chips BAD, Serial Oct 18, 2021 · Diagnost6 test harness for the Commodore 64: The test harness I finally chose is one designed by Sven Petersen. Also, pressing a bad key with the dead test cartridge running does NOT cause a lockup. 4) Tape Port dongle. Included Tests Full test harness included. This is provide The Diag Harness is the ultimate add-on to the Dual Diag, C64 Diag and C128 Diag cartridges (it will also work with any other cartridge running the 586220 or the 785260 diagnostic ROM). If you can't get any joystick to function properly on your Commodore 64 or 128 or if a certain pattern of keys (like every other key or a diagonal row of keys) doesn't seem to work or if the cursor just marches across the screen without any key being pressed I have C64 board assy 250469 rev A which during harness tests says user port bad and interrupt bad. 16 posts 1; 2; Next; Starglider 2 You might want to pick up the full harness. Commodore 64; ↳ General; ↳ Games; ↳ Games Competitions; ↳ Help & Support; ↳ Emulators; ↳ Scene; ↳ New Releases; ↳ Supermarket; SUBSCRIBE CHANNEL: https://bit. C64/C128 Diag Harness; C64 Dead Test; C64 Diag; C64/C128 Wifi Modem; SKS64 - Switchless Kernal Switcher; LumaFix64; C64 Freeload; C64 Case Saver; DesTestMAX : Home; Cookie Policy . But without the harness, the SID chip is expected to fail because the harness tests the analog input which is handled by the SID chip. C64C freeze on searching for* SOLVED!!! For help with C64 hardware, software etc. C64c freezes with endless interrupts when some keys are pressed. Oct 13, 2014 · Commodore 128 Repair - Part 4 Commodore 128 Modes; Commodore 128 Repair - Part 3 Testing; Commodore 128 Repair - Part 2 Keyboard; Commodore 64 Diagnostics Test Harness; Commodore 128 Repair - Part 1 PSU; BBC Micro keyboard repair; Windows 10 - First Impressions September (8) August (9) July (5) June (1) Sep 24, 2020 · Commodore 64. Any game that used joy 1 was subject to graphics corruption and lockups. This set includes all the necessary dongles to test the following ports. C64 diagnostic and dead test cart diy. The C64 Diagnostic Instruction & Troubleshooting Manual (1992) PDFs are available below. Commodore C64 Diagnostic Test Harness. I have only tested this on Commodore 64 25407 PAL version, but I do not see why it will not also work on the NTSC version.
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