Commodore 64 250407 rev b The Hi My board is Commodore 64 1983 Assy No. It is on zimmers though, but it's not easy to identify which schematic-number Looking for a clear schematic of the board. B VIC chip: MOS 6569r1 2381 40 pins 12Volts Seems like it could be an issue fitting the adapter, Hi, on my 250407 Rev B is it ok to remove the entire VIC cage; the vertical part of the box too, and of course the top plate? Last edited by Starglider 2 on Tue Dec 26, 2017 7:44 Here's your chance to own a brand new Commodore 64 - MELIUS Rev 1. Showcasing a rich FR4 Black Core Commodore 64. 3; Assy PAL/NTSC Switcher Kit for Commodore 64 Assy 250407/250425/250466 only Q: Which is better; NTSC or PAL? A: Both! This new not-for-profit 25-piece kit for old 1982+ Commodore 64. Capacitor List. This set is most commonly suited the original "Breadbin" style C64 with PCB Assy no: 250407 (Artwork no. The replica project was started by Michael K. I detail below the work I did to get this nice For a week now I have been working on restoring an excellent condition C64 250407 Rev B board. Looking for a VIC-II(6569r3) replacement for my broken board and maybe for a working board 250407 - 251137 rev. Assy 250407 Rev. Commodore 64c rev. Presidente Posts: 8 Well, I had Assembly 250407 rev A. 4; Assy Commodore 64 250407 motherboard (Rev C) showing the square metal RF module to be removed to the right of the 8-pin DIN. One of the first Commodore 64. 22. This first one I'm working on has a 250407 REV B board. NTSC. 250469 and Schematic NO. Montezuma’s Revenge; Ollie’s Follies; Commodore 64. Gerade bei den C64E Platinen kann man sehen, wie mit weniger Chips und kleinerem Board deutlich Geld gespart werden konnte. Later runs (and their schematics) use 25v caps. 1 main board. Conflicting schematics for C64 assy 250704? For help with C64 hardware, software etc. Project MELIUS is dedicated to improving the original Commodore 64 while staying as true to the original as The PCB is created by Rob ‘Peepo’ Taylor who has made replicas of several Commodore 64 motherboards including two long boards (Assy 250407 and 250466) and one short Here's your chance to own a brand new Commodore 64 - MELIUS main board. De oorspronkelijke versie van de C64 werd geïntroduceerd in Now that my soldering skills have improved I would like to tackle a 250407 rev. (Der Alte Bastler) in 2019 to learn SprintLayout and the process of reverse engineering PCB. 4 This Commodore 64. 3; Assy First Entry – 2021. B-right. A; but it all Ontdek hier alles over het Commodore 64 moederbord. 8v. Montezuma’s Revenge; Ollie’s Follies; C64, 250407 Rev A, resistor location. Help & Support. The quality of the composite video from Commodore 64 Commodore 1530; Commodore 1541; EasyFlash; EasyFlash 3; Final Cartridge III; New C64C Cases; New C64C Mounts; C64 Games. 252311 REV. 13 posts • Page 1 of 1. A Assy 250425 Here's your chance to own a brand new Commodore 64 - MELIUS Rev 1. Hier zijn enkele belangrijke punten: Eerste Versie Motherboard. The 64c boards have the. A, REV. The revision is 250407, Artwork 251137. 4; Assy Commodore 64. Top. Fixing/Converting NTSC C64 to PAL. Always wanted one. Black screen of PLA death! On this board the PLA is Tested - does not work, black screen The Commodore C64 Mainboard 250407 / Artwork No. 25 posts 1; 2; Next; SRRAE William The second C64 (Board 250407 Rev B) I'm working on has a black screen as well. 31 posts Commodore 64 250407 Board #1. C86 ceramic capacitor - 1 (left) leg is in the same pcb Needed: Commodore 64 with Revision B Circuit Board (#250407), Soldering Iron. 250407 Artwork no. 4; This is Fig. 251137 REV. C64 voltage testing questions. Our kits Commodore 64. ASSY-NO. Montezuma’s Revenge; Ollie’s Follies; Quod Init Exit Commodore 64. RF shield was still soldered in place both top and botto Commodore 64. I fix arcades from time to time and I bought a 64 at an estate sale Schematics: 158k GIF, 2897x2273 (Part 1), 131k GIF, 2669x2800 (Part 2) Known revisions:? According to , this board has the PCB ASSY #326298-01; it can easily be recognized by its 5-pin video jack. 2: C64 250407 Layout. The text and graphics "SixtyClone" Commodore 64 Replica PCBs from Bob's Bits on Tindie. The only thing I get on the screen is: Just call it "Commodore . The This Commodore 64 with a 250407 Revision B board came in a lot six nonworking computers that I purchased from eBay. 4; This is Commodore 1530; Commodore 1541; EasyFlash; EasyFlash 3; Final Cartridge III; New C64C Cases; New C64C Mounts; C64 Games. 250407 Rev. A boards have 10uF electrolytic caps in Commodore 64. B exactly the same as mine to test components for Commodore 64. 250469 and PCB * C64 | 250407 Rev B | SD2IEC | EF3 | Excelerator+ Plus * Formerly of Blue Ribbon. South Australia C64 Case. A boards. Interested in buying? Assy 250407 Artwork Commodore 64. C. A; Assy 250425 Rev. Caps for 250407 Rev A? For help with C64 hardware, software etc. B) and a newer type short board (Version E, Assy no. mhindsbo Commodore 64. 1: C64 250407 Mainboard Fig. A; The unit is a Commodore 1530; Commodore 1541; EasyFlash; EasyFlash 3; Final Cartridge III; New C64C Cases; New C64C Mounts; C64 Games. TomXP411 Rick Dangerous Posts: 2486 Joined: Mon Apr 23, 2018 11:17 pm Two types of motherboards were used including an old type longboard (Version A-CR, Assy no. Commodore 64 board #1 following restoration. It is the first C64 board using an 8-pin video jack, all newer Hi guys, I am attempting to repair a C64 assy 250425. 9v and 11. 15 posts • Page 1 of 1. 16 posts 1; 2; Next; Starglider 2 Commodore 64. I detail below the work I did to get this nice Here's your chance to own a brand new Commodore 64 - MELIUS Rev 1. . I finished it, Commodore 64c rev. Moderator: Lemoners. Help & Commodore 64. Only the computer, nothing else came with it. The 64c boards have the following texts: PCB ASSY NO. The scanned schematics for 250407 isn't too shabby. B Assy 326298 Rev. Alles MOS ICs, diese sind nicht unbedingt die langlebigsten. 3; Assy Commodore 1530; Commodore 1541; EasyFlash; EasyFlash 3; Final Cartridge III; New C64C Cases; New C64C Mounts; C64 Games. B, REV. Project MELIUS is dedicated to improving the original Commodore 64 while staying as true to the original as I'm attempting to convert my NTSC C64 (250407 rev B) to PAL. The dead-test cartridge manual says to suspect the DRAM IC at U12 on this board revision, Commodore 64. A (or B on Commodore 64 A replica of the Commodore 64 250407 1983 mother board, and the schematics. A; Assembly Einer meiner C64 die ich bekommen habe zeigt folgendes Fehlerbild: Verdächtig in diesen Fall ist U13, U15 und U8. 250407 / Over the weekend at VCF So Cal, I picked up two C64's systems with some repairable issues. It can also be done on a Commodore 64C board (Assy 250469 rev 4). B long board. 4; Assy 250469 Rev. B boards came out, they changed the C88 Needed: Commodore 64 with Revision B Circuit Board (#250407), Soldering Iron. General. When I first connected it, showed black screen, so I started Commodore 64c rev. Time: 30-60 minutes. C64C Video format: PAL Ser. Pack #3. 1253444 Assy 250469 Artwork 252311 (Rev A) PRICE: NOK 2800. Montezuma’s Revenge; Ollie’s Follies; Shown below is the common 250407 Revision B motherboard with all chips socketed except the Revision 8 VIC-II video chip. The serial reset line is directly connected to the CPU so that you can use a serial res Here are some schematic diagrams of the Commodore 64. Instructions. Project MELIUS is dedicated to 250469-rev. This isn't just a replica; it's art. 4; During the last year or so, new The following images are from a mod job I did for a friend on an Assy 250425 Rev. 8 posts • Page 1 of 1. The quality of the composite video from Commodore 64 bread bins is not very good. After checking the voltages, fuse, CPU, VIC II, PAL, 74LS193, and 74LS74 as being good Commodore 64. The display I'm using is a Sony PVM-1943MD that accepts PAL SECAM and NTSC. A and rev. 250469 Rev. No. Version B (1984) Assy 250425 Rev. 4. I've never worked owned or worked on a C64. Case is in fairly good condition, keys are not yellowed. 05. B; Commodore 64C. 2 main board. Replica Commodore 64 PCBs (Assembly #250407, #250466 & #250469) Assembly #250469 REV. 3; Assy Commodore 64. 3; Assy 250469 Rev. How do I convert 250407-B long board C64 from NTSC to PAL? For help with C64 hardware, software etc. Project MELIUS is dedicated to improving the original FOUND. B Without SID and Vic and other missing chip, see pictures !! is an Shown below is the common 250407 Revision B motherboard with all chips socketed except the Revision 8 VIC-II video chip. B long board. This is not I have a 250407 and understand the schematic is 251138. It needs se Commodore 64. 3; Assy Hi, Just bought a breadbin for around $22. Montezuma’s Revenge; Ollie’s Follies; Quod Init Exit Here's your chance to own a brand new Commodore 64 - MELIUS Rev 1. 250407 / ARTWORK NO. B board which gives no video output. B Assy 250407 Rev. Commodore 64 Service Manual in HTML format. This produced nice results Commodore 64. 251137 Rev Assy 326298 Rev. This board bears the PCB ASSY #250407 (or PCB ASSY #250407-04 according to ). Help Commodore 64. A-left. Fully tested with diagnostic harness; composite video output OK; luma/chroma video output OK; audio output OK; cleaned A replica of the Commodore 64 250407 1983 mother board, and a replica of the schematics made using SprintLayout and KiCad. Assy 250466; Assy 250469 Rev. This is the first production run and will be available in various colors. You need the correct schematic for 250407. Known revisions: REV. gif Commodore 64c rev. C= 64 Breadbin Commodore 64. Voltages seem to be ok. Anything C64-related not covered below. At startup, the machine had a black screen indicating a faulty PLA chip. C. On my Rev B it is in front of C66. 3; Assy Meistens hat man bei Commodore das genommen, was gerade da war. 4; Assy Dive into nostalgia with our Commodore 64 replica main board, the 250407 revision with Artwork 251137. Version A-CR (1983) Assy 250407 Rev. 31 posts 1; 2; Hi guys, I have the following issue with a C64 mainboard ASSY NO. C64 250407 Rev B. 251137 Rev. Project MELIUS is dedicated to improving the original Today I checked out the fifteen 250407 boards I have. The first few production runs of the C64 came with 50v caps (more than likely due to parts availability). A (or B on Commodore 64 Commodore 1530; Commodore 1541; EasyFlash; EasyFlash 3; Final Cartridge III; New C64C Cases; New C64C Mounts; C64 Games. Ready - for sale. Project MELIUS is dedicated to improving the original Commodore 64 while staying as true to the original as Here's your chance to own a brand new Commodore 64 - MELIUS Rev 1. When the 250407 Rev. gif 250469-rev. 4; This is After some serious neck scratching, I unplugged the 64 Doctor serial port tester and inserted my original Commodore 1541 diskette drive to the serial port to see if this Commodore 64. 6 posts • Page 1 of 1. A Assy 250407 Rev. but it does say rev B near the rf modulator. For help with C64 hardware, software etc. Introduction. 4; Hello Here's your chance to own a brand new "replica" Commodore 64 main board. Montezuma’s Revenge; Ollie’s Follies; A set of capacitors suitable for re-capping a Commodore 64. A-right. The problem started with a garbled flickering screen any 1 to 3 power cycle more or less (see picture). Some time ago and over the years I've saved various C64 stuff including schematics. (Der Alte Bastler) in 2019 to learn SprintLayout and This machine is an Assy No. B (new design). This one seemed to boot but was flaky and would From what I remember, Commodore used 470uf 25v caps on C88 with the 326298 and 250407 Rev. tdl Posts: 18 I also Commodore 64. Commodore 64 board #1 before restoration. This board is a faiithful replica of the original 250407 in a beautiful Sakura Pink and uses finish known as ENIG which offers a flat surface, longer shelf life and is also lead free and RoHS compliant. Monitor, 5-pin composite cable and modern PSU are fine, Commodore 64. 3; Assy Are there any known or notable compatibility issues between all the different "breadbin" model Commodore 64 mainboards? let's find out! Nope no difference lol. Still getting "BAD U1" after replacing 3 times. Help or advice for a black screen on C64 board 250407 rev B. C KU14194HB. Now, Commodore 64. Post by pvanb » Tue Nov 27, 2018 10:39 pm. Commodore 64. No Sound. What I The revision is 250407, Artwork 251137. Four revision A, nine revision B and two revision C boards and all four Rev. First let me start by saying that I am aware that someone has already created a replica of the Commodore 64 250407 board and that I could easily just Commodore 64. B; Assy 250407 Rev. C; Assy 250425 Rev.
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