Commodore pet 2001 power supply. gif 1998-04-03 276865 .

Commodore pet 2001 power supply This was a fairly straightforward power supply arrangement. Apple 1 (replica) power supply build and repair June 16, 2024; How to sniff IR codes with an ESP32 microcontroller without writing a single line of code June 6, 2024; at a Commodore PET 2001 (with the ~first version of Over many years of repairing computer like the Commodore PET, I have designed various little boards to replace unobtainum parts, I used that for a long time on my PET 2001 test board, but it's not ideal as it blocks the Commodore PET CBM 2001-16B - no power - good physical condition. I only have Commodore. Then I do the usual things of course, checking the all power supplies and reset POWER SUPPLY . :wink: Thank you. I have a PET 2001-8 with a 320008 board. Thread Try moving the 'F' ROM link from ON to OFF to use the kernal ROM on the PET in socket UD9 next. A complete unit ready to plug in to a mains supply and go. So, I'm wondering if anyone can tell me what the specifications for the PS on the following machines were 2001-8 4032 (I think - it has 16 x 4116 ram chips, labelled 320350 rev e) Commodore. from Germany. With his Amiga power supplies, he uses 16-gauge wire. $1,900. UK Vintage Radio Repair and Restoration Discussion Forum > Specific Vintage Equipment > Vintage Computers: Commodore PET 2001 voltage regulators Commodore 64 Power Supply, part no. In my clone design I have split the video generation circuitry onto a separate PCB. The place to discuss all things Commodore in the 8 bit range. The C64-Plus/4 power adapter is intended for use only with Commodore C64 and Plus/4 systems. Hot comments . Newest; DIY Electronics; 3D Printing & CNC; Camera Equipment; IoT Batteries and Power. The solder points are the same. That means that one of them may be With the exception of a few power supply components, all of the circuitry in the original PET-2001 was accommodated on one large PCB. Start out with a low voltage and ramp it up very slowly. K. I picked up a VIC-20 on the Evil Bay some months ago. Thread starter dondi; Start date Jul It indicates that we have some heathy power supplies, the video circuitry (as far as it goes) is working - but the CPU is not working. It had, apparently, If you look at the capacitors on the power supply filtering areas, next to the DRAM IC array, you will see these are green bead Tant types. The CBM 3016 is a computer system with a monitor, keyboard, internal power-supply and a motherboard. 99. s-to-DIN. With socketed RAM, power supply, and a cosmetically pristine design, this computer is perfect for collectors or anyone who wants to experience the nostalgia of the 80s. The 4032 is a computer system with a monitor, keyboard, internal power-supply and a motherboard. from Germany Hey ya folks! :) I have Commodore 16 but no power supply. (UPDATE)PET 2001 Power supply problem⇒main board problem. Files. Thread starter Desperado; Start date Dec 23 If you insert (say) an IC back into a socket, do NOT power it up straight away! Go for a cup of coffee, come back, RECHECK your work (to see that everything is This kit contains all parts necessary to replace the capacitors in the Commodore Amiga 3000 power supply P/N 391029-01 with PCB Liton 391029-01. or Best Offer +$74. It would be an awesome addition to my collection. Thread starter Desperado; Start date Dec 23 You are pretty good with the scope now which helps and you can do most of the things required to fix PET computers, test power supplies, resets, CPU activity, For the caps blowing up, you may be able to prevent them blowing up if you have an adjustable ac power supply. 1; 2; First Prev 2 of 2 Go to page. Built-in power supply unit. I need to clean it and test the power supply before turning it on. It looks like this Thing has been removed or has never existed in Thingiverse. In the future, I'd strongly recommend avoiding any sellers who say anything like "the power light comes on, but no further testing was done" or "I don't have the cables for this, so I can't test it". The tube glows upp but it wont light up. I can hear it power on when I flip the switch Long-time Commodore technician, Ray Carlsen, has power supplies for sale! All kinds of heavy-duty power supplies for your VIC-20, C64, Plus/4, C128, and Amiga 500/600/1200! Choose from the economy 2 barebones version all the way up to the metal-cased, super power supply to any custom power supply you can imagine. Thread starter Desperado Start date Now, turn the power OFF, wait for 2 minutes, turn the PET back on, and post another photograph of the PET screen. On the motherboard you will find a MOS 6502 processor, RAM / ROM memory, MOS 6545 video-chip, MOS 6520 PIA and a which memory option of PET you are using. We have a great online selection at the lowest prices with Fast & Free shipping on many items! Skip to main content. POWER SUPPLY . Looks like where the fuse casing is in the back next to the power bottom is pushed in, don’t know if that is the fuse area or not but could be the issue not sure. Hi all. Commodore PET 8032 in nice condition Commodore. O. Power is The PET 2001, the first microcomputer by Commodore. Books and Media. The caps can start to recover then. There are thus two PCBs, designated the “motherboard” and the “video generator board”. Oct 22, 2024 #21 as many do, rotating the IC 180 degrees in the socket, reverses the power supply to the IC die, and is power supply a cassette tape drive which was a practical storage device for the time several expansion ports including an RS232 (serial) port Commodore PET 2001 announced at the West Coast Computer Faire. which memory option of PET you are using. Inside of the Commodore PET 2001-N computer. PET and CBM . The brand, Commodore, is known for producing high-quality computers that have stood the test of time. Do you have an original Commodore PET 2001 (‘chiclet’ keyboard model) with a broken-off key? If so, this is the part you need to fix it! When a key is broken off, the part that actually fails is the key plunger inside the keyboard, so this is the COMMODORE CBM PET 2001-N DESPERATE Thread and only enable the E ROM link. I set everything up, Assaulted by a smell straight from electronics hell, I noticed the smoke appeared to be coming from the power supply. or Best Offer +$54. It tells you how much memory space is free for you to use. The original board would have drawn between COMMODORE PET 2001 32N Commodore Computer 1979 POWERS ON NICE SHAPE! World's Best Comics and Toys (9989) 100% positive; Seller's other items Seller's other items; Contact seller; Commodore Vintage Computer Power Supplies for Commodore, Commodore PET Vintage Computers & Mainframes, Commodore PET 2001-32 N Computer 1979 - Tested Works Floppy Drive/Manuals. Whereas using separate microcomputers of the time, such as the ZX81 (actually it probably came out a good few years later, I'm NOT 100% sure), power supply; a cassette tape drive which was a practical storage device for the time; several expansion ports including an RS232 (serial) port; Commodore PET 2001 Factory – This is the Commodore PET factory, likely in They will NOT replace RAM types used in Commodore computers other than the original Commodore PET 2001. So the problem is not related with CRT board for sure but somewhere on the PET mainboard or power supply. ↳ Other 8-bit Commodore computers; ↳ Chit Commodore. I'd say about 9 times out of 10, this means that what they're selling is broken, and either they're hiding that fact, or they're just too lazy to test it properly. I've tried basic commands like LOAD, etc and pressed play on the tape deck. Commodore PET 2001 voltage regulators Vintage Computers : UK Vintage Radio Repair and Restoration Discussion Forum > Specific Vintage Equipment > Vintage Computers: Commodore PET 2001 voltage regulators User Name: Remember Me? Password: Register: FAQ: Forum Rules: Calendar Commodore PET 2001 voltage regulators Vintage Computers : UK Vintage Radio Repair and Restoration Discussion Forum > Specific Vintage Equipment > Vintage Computers: Commodore PET 2001 voltage regulators User Name: Remember Me? Password: Register: FAQ: Forum Rules: Calendar Commodore PET 2001 voltage regulators Vintage Computers : UK Vintage Radio Repair and Restoration Discussion Forum > Specific Vintage Equipment > Vintage Computers: Commodore PET 2001 voltage regulators User Name: Remember Me? Password: Register: FAQ: Forum Rules: Calendar Commodore PET 2001 voltage regulators Vintage Computers : UK Vintage Radio Repair and Restoration Discussion Forum > Specific Vintage Equipment > Vintage Computers: Commodore PET 2001 voltage regulators User Name: Remember Me? Password: Register: FAQ: Forum Rules: Calendar Commodore PET 2001 voltage regulators Vintage Computers : UK Vintage Radio Repair and Restoration Discussion Forum > Specific Vintage Equipment > Vintage Computers: Commodore PET 2001 voltage regulators User Name: Remember Me? Password: Register: FAQ: Forum Rules: Calendar Commodore PET 2001 voltage regulators Vintage Computers : UK Vintage Radio Repair and Restoration Discussion Forum > Specific Vintage Equipment > Vintage Computers: Commodore PET 2001 voltage regulators User Name: Remember Me? Password: Register: FAQ: Forum Rules: Calendar Commodore PET 2001 voltage regulators Vintage Computers : UK Vintage Radio Repair and Restoration Discussion Forum > Specific Vintage Equipment > Vintage Computers: Commodore PET 2001 voltage regulators User Name: Remember Me? Password: Register: FAQ: Forum Rules: Calendar Commodore PET 2001 voltage regulators Vintage Computers : UK Vintage Radio Repair and Restoration Discussion Forum > Specific Vintage Equipment > Vintage Computers: Commodore PET 2001 voltage regulators User Name: Remember Me? Password: Register: FAQ: Forum Rules: Calendar Commodore PET 2001 voltage regulators Vintage Computers : UK Vintage Radio Repair and Restoration Discussion Forum > Specific Vintage Equipment > Vintage Computers: Commodore PET 2001 voltage regulators User Name: Remember Me? Password: Register: FAQ: Forum Rules: Calendar Commodore PET 2001-32 N Computer 1979. The power supply is responsible for providing electrical energy to keep your Commodore computer running smoothly. In any case one thing you can do is power the computer via a Variac, PET, VIC-20, MAX, 264 series, C128, C65 Amiga discussions belong to Lemon Amiga or Chit Chat. Commodore. However, the prices are quite steep. Anyway, The Commodore PET is a line of personal computers produced starting in 1977 by Commodore International. Three models were made: the PET 2001-8N with 8 KB RAM, PET 2001-16N Commodore. 8th Oct 2021, 7:01 pm #7: retromit. On the motherboard you will find a MOS 6502 processor, RAM / ROM memory, MOS 6545 video-chip, MOS 6520 PIA and a I have a C-64 power supply that was home-brewed for me by my Dad when I was a kid from the remnants of the original. $132. This covers the power supply. Limited time offer on Ebay. This one has been in use for a year or so with a PET ROM/RAM board, and all the system ROM chips removed, and I am told it COMMODORE CBM PET 2001-N DESPERATE. I have checked the voltages on the pins and everything this wired up as I have labelled in my ‘diagram’. ca: The PET, VIC, 128, 64 & More Forum. On the motherboard you will find a MOS Commodore 64/Plus/4 use only. The second, enhanced revision of the PET 2001 (2001N, 2001B) Collection of links and articles about the famous PET, VIC, C64, Hello, i recently acquired a Commodore 64 but its missing the power supply, ive heard people say the stock power supply unit is unreliable and potentially outdated Whats the best power supply i can buy for a C64 in 2024? Locked post. , here are more details, all found at PET 2001 6550 Video RAM Replacement from Tynemouth Software on Tindie. C. You didn't bend a pin did you? All the CPU should need is power, a clock and a reset signal to work Dave . 0 bids. Desperado Veteran Member. The products and services mentioned within are no longer available. o Styled to match PET 2001 chiclet keyboard o Compatible with Normal / Graphics keyboard o Power, (Commodore PET pinout, not VIC20/C64 compatible) o 2x Datasette port (For SD2PET power, C2N, • Single 9V DC Recently got a commodore pet 2001 (for $20 !), but I’m honestly scared to do a smoke test. 4 posts • Page 1 I was finally able to acquire a blue surround/blue label PET 2001. I've reseated all of the chips and it power on, For the moment, I'll temporarily power the board from a 9V bench power supply, clipped across the reverse protection diode. Item doesn’t power on. Join Date: Oct 2021. VERY RARE Commodore CDTV Trackball & Transmitter 2022. or Best Offer +$103. There is a u-shaped cut at one end of the the original PET 2001. UK Vintage Radio Repair and Restoration Discussion Forum > Specific Vintage Equipment > Vintage Computers: Commodore PET 2001 voltage regulators Disconnect the video cable from the main board, and also disconnect the connector from the main board inside the VDU housing. [3] A single all-in-one case combines a MOS Technology 6502 microprocessor, Commodore BASIC in read-only memory, Commodore PET 2001 troubleshooting. Basically a series of diagonal lines that curve and loop from one line to the next. Addendum to Part 1 of a series on the inner workings of the Commodore PET. cwreno2001 (142) 100% positive; Seller's other items Seller's other items; Contact seller; US $450. Then I do the usual things of course, checking the all power supplies and reset Schematics for the Universal Dynamic PET mainboard used in 40xx and 80xx models with CRTC www. A centre tapped transformer provided 9V AC which was rectified Commodore was one of the first computer manufacturers to introduce a non-kit computer ready to use out of the box in 1977. So, I got a C128 power supply to use on my C64, and I'm a bit curious about one thing. A pong is a "single-chip" video game-system. Commodore Pet 2001-8 Power Supply Parts - Untested. Thread starter Call Me Nige; Start date Oct 3, 2024; Prev. 8032/ Early 8032 system board 8096/ 64k Expansion Board schematics 8296/ Commodore 8296 schematic diagram cash_register/ The PET 2001-N is a computer system with a monitor, keyboard, internal power-supply and a motherboard. For the curious: the 4k model should show - in theory-''4096 bytes" and the 8k Commodore Pet 2001: Related Items Wanted: Manuals, external drives, software: The PET chassis flipped up like a cars hood to expose the circuitry and power supply beneath the keyboard and monitor. I decided it was time to get a more capable power supply for the bench. Just do a search for Commodore PET, and on the brief listing you will see these items. The internal power supply of a Commodore PET-2001 computer from 1977 31 8 Share Add a Comment Sort by: Search Comments NotWigg0 So, I'm wondering if anyone can tell me what the specifications for the PS on the following machines were 2001-8 4032 (I think - it has 16 x 4116 ram chips, labelled 320350 The power supply needs to be a 9V DC, 1A, and ground must be on the inside. The designers try to minimize the noise on the supply by having many 0. The production Commodore Pet 2001 Blue Screen 6550 Ram Version. I am seeing about testing out some PET tapes, but that is a very slow process, so, while I am waiting, I sorted out my buckets of bits and bytes!Also, always This adapter allows you to use a standard composite video monitor with the original Commodore PET 2001-8. 73 shipping. I do not have power supplies to match. This is the Reddit community for fans of the Commodore PET! Premium Explore Gaming. Then you can use any C64 power supply on it. I've read the power must be center negative. I did that on one of my Plus/4's some years back. I'm not sure if it ever shipped with the round DIN connector on the power, but it is an easy conversion. With his Commodore power supplies, Ray uses a 18-gauge wire from p. ptk64 The Commodore 16 uses a 9VDC 1amp power supply. 49 shipping. The PET 2001 is the first real computer that Commodore produced. Commodore 128DCR computer with keyboard. My problem is that when I trun it on, it keeps displaying always the same (apparently) random characters on screen : See the pictures for reference : Any help appreciated. All the voltages seemed OK, so I powered off again. So, I'm wondering if anyone can tell me what the specifications for the PS on the following machines were 2001-8 4032 (I think - it has 16 x 4116 ram chips, labelled 320350 rev e) I have been selling ROM adapters for the Commodore PET-2001 on eBay since 2009. The imgur picture is The only (obvious) thing to check is the amount of ripple on the monitor power supply. 1; 2; 3; Next. Why did the Commodore PET 2001 take so long to ship? 10. So, I'm wondering if anyone can tell me what the specifications for the PS on the following machines were 2001-8 4032 (I think - it has 16 x 4116 ram chips, labelled 320350 rev e) Commodore PET 2001-8 Repair - Part 1 This is an old post, preserved for reference. It was once said that a good design has one capacitor per TTL chip, some though use one per two or Commodore PET 2001 with cassette player A computer collector's Dream!!! A single all-in-one case combines a MOS Technology 6502 microprocessor, Commodore BASIC in read-only memory, keyboard, Commodore PET 2001 - Desktop Computers - Oxnard, California | Facebook Marketplace. Looks in reasonably good shape except for some rust. There was a commonly held belief among the young geek fraternity that there existed a BASIC command the horizontal sweep is used as the oscillator for a switching power supply, as is typical in TV circuits, and with the sweep rate at 0, This is the second part of the Commodore Pet repair, see Part 1, Mainboard cleanup. 10. New Listing Vintage Commodore 128 Computer w/ Power Supply TESTED WORKING. 167; 13; Save; Share. Commodore PET 2001 ‘Chiclet’ Key Hello, I just bought a very nice none working Pet 3032. but nothing. 902503-02, input 116V 60Hz 40W. There is an on-monitor voltage regulator (12V or 18V) and some smoothing etc. $259. Tried powering the 2001-N from the supply again, this time with success. Feb 21, 2024 I unplugged the monitor cable and checked the voltages from the power supply and got 16V to the monitor and 16V and 9V going to the board which seem to be the correct values. Joined Oct 1, 2024 Messages 11. Commodore 4032 » Commodore CBM 3016. Thread starter Frogger1108; Start date Feb 21, 2024; F. On the motherboard you will find a MOS 6502 processor, RAM / ROM memory, MOS 6545 video-chip, MOS 6520 PIA and a MOS 6522 VIA. Because the CPU contains the clock divider circuitry that produces the clock-phases used by the video circuitry, if it is not present the characters stored in the video RAM (random noise) will not be displayed and instead the character represented by the code 0x00 is displayed. I borrowed a friend's VIC-20 for its power supply and video cable to test mine, and all worked well. Thread starter jaspertiemann; Start date Mar 1, 2011; J Time to keep on testingindeed, there is a 64 power supply, Time to keep on testingindeed, there is a 64 power supply, as well as an original two prong supply for a Vic-20 COMMODORE CBM PET 2001-N DESPERATE. Are there any other I keep gathering thingsand indeed, there is another power supply and other things to be testedand yes, there might a little clock radio besides the com This Commodore PET CBM from 2001 is a vintage computing gem that will take you back in time. Tape Commodore PET - 2001 » Commodore 3000H. Cases and Mounts. This is the North American power supply that can be taken apart. Comments 46. updating my website to include the new C64 mini PS and some adapters that will eliminate the Y configuration on new power > supplies that run a C64 and C128. For the curious: the 4k model should show - in theory-''4096 bytes" and the 8k Hi there, I've got a Pet 2001 that when switched on produces what I believe some call 're-trace' on the screen. pdf 2020-02-20 1653587 Parts list and positions for 2001-8 320008-2. Sponsored. order this print COMMODORE PET 2001 32N Commodore Computer 1979 POWERS ON NICE SHAPE! Opens in a new window or tab. wtf oddly terrifying. 1 bid · Time left 6d 12h left (Thu, 07:10 PM) Commodore PET 8296 Power Supply/Transfo with Motherboard Connector -200. The C128DCR is a It is compatible with most software for the Commodore PET from the 2001 series through to the 8032. Joined Jun 19, 2012 Messages 17,933 Location UK - Worcester. The PET 2001, the first microcomputer by Commodore. FAQ; Commodore Computer Board Index. The PET 2001 is a computer system with a monitor, keyboard, datassette, internal power-supply and a motherboard. This should minimise the impact of the PET microSD on the power supply. 2001/ The original Commodore PET 2001 Service Manual 2001N/ This is the service information on the 2001N/3000/4000 (no CRTC). Three models were made: the PET 2001-8N with 8 KB RAM, PET 2001-16N N O R E T U R N S. Description PC AT PS/2 Power Supply Load Tester; MPS 6550 I was in the dining room going through a pile of treasures and found three commodore 64 power suppliesso, it is time to test them and see what is whato With the exception of a few power supply components, all of the circuitry in the original PET-2001 was accommodated on one large PCB. Commodore PET 2001-8 Mainboard Repair - Part 1 This is an old post, preserved for reference. Designed specifically for C64 and VIC-20 systems to preserve them in a pristine condition for years to Time to test a Commodore 64 Vic-20 power supplyto see if it is potentially safe!Also!If you have a Commodore 64 or Vic-20 power supply with the round plug Get the best deals for Pet 2001 Commodore at eBay. Shop by Tested Complete Commodore CBM Model 3040 Floppy Power Supply -P3. . Joined Nov Commodore PET 2001 voltage regulators Vintage Computers. Fast & Free shipping on many items! COMMODORE PET 2001 32N Commodore Computer 1979 POWERS Up For Parts Or Repair. 4 ROM adapters feature:-Pin-compatibility with the obsolete MPS6540 ROM chips used in the Commodore PET 2001. The Commodore PET 2001, as the first computer released by Commodore, was a groundbreaking machine that brought computing power into homes and schools. Pentode . New comments cannot be posted. 87 shipping. Bulk Components. The Commodore 3000H with original packaging, manual and power supply. Joined Feb 21, 2024 Messages 2. Log In. The PET prototype debuted at the Consumer Electronics Show CES in Las Vegas in January 1977. Remember to keep comments respectful and to follow our VCF SoCal: Feb 15 - 16 2025, Hotel Fera, Orange CA: VCF East: Apr 04 - 06 2025, Infoage Museum, Wall NJ: VCF Southwest: Jun 20 - 22 2025, University of Texas at Dallas Commodore PET 2001-8 text wobbling on screen. pdf CBM PET 2001 RESTORATION. I am doing this to see if the Commodore PET 2001 Repair - Garbage screen with noise This is an old post, preserved for reference. Thread starter CPU socket. 00. -Correct Feel free to talk about any other retro stuff here including Commodore, Sinclair, Atari, Amstrad, Apple Post by voidstar » Wed Apr 28, 2021 7:25 pm. For the curious: the 4k model should show - in theory-''4096 bytes" and the 8k Commodore. PET 2001 The Commodore PET 2001 was a very successful machine. 50 shipping. Commodore Vintage Computer Power Supplies for Commodore, Citizen CBM Computer Printers, Commodore Vintage Computer Power Supply, Citizen CBM Thermal Printers, In a slightly different direction, going back to the original Commodore PET 2001. I've dug a PET 4032 out of the loft at home, which has been there since I so that's making me thing power supply - like the tube's struggling to power up because the voltage is too high. pdf Parts list I recently bought a Commodore Pet version 2001 from the UK and had it shipped to Australia. Look what's just arrived, my latest acquisition, a Commodore I found that when I shake the power supply I can here rattling insi PET, VIC-20, MAX, 264 series, C128, C65 Amiga discussions belong to Lemon Amiga or Chit Chat. Opens in a new window or tab. Hi, I am trying to to restore a PET 2001, the one with the real keybaord. 1uF ceramic capacitors scattered around the board on the chip's power supply rails. If there is ripple here (or at other DC voltage points on the monitor) that could explain your issue (as a A few months ago we bought a Commodore PET 2001-N in a known-to-be-not-working condition. Center is Negative, Outside is Positive. So I have dissconnected the CRT. This is the dynamic system board, used in systems with 9" display (schematic diagram included). or Best Offer. Category: Vintage Computer Products. On the motherboard you will find a MOS 6502 processor, RAM / ROM memory, MOS 6545 video-chip, MOS Yeah, the Plus/4 uses the same type connector, but like you said, no center pin. The motherboard contains: In the early 1980s my primary school was the proud owner of a Commodore PET 2001. It only conveys +5V DC and 9V AC power, and does not guarantee sufficient current output of the attached Windings in power supply are oke I think, but there is no power on the Upcoming Events: VCF SoCal - February 15 - 16 2025, Hotel Fera, Aneheim CA; VCF East - April 4 - 6 2025, Infoage Museum, Wall NJ; VCF Southeast - July 2025, Atlanta, GA; Commodore PET power supply problems. The early version of the 2001 has a small keyboard The PET 2001 (Blue) is a computer system with a monitor, keyboard, datassette, internal power-supply and a motherboard. The 3000H is a so called "pong". Thread starter greniu; Start date Apr 16, 2024; Prev. If enough oxide builds up Commodore PET 2001-8 text wobbling on screen. I have looked into power supplies for the c64 and I have decided to make my own one with a 9v ac - 1A power plug and a 5v - 2. Looking for advice, info in comments PET Once you've proven that all the components from the power supply area should be good, put them all back on the board and do your smoke test. Its Processor was the ground-breaking MOS Technology 6502, developed in 1975. The original PSUs have something about 15V DC without load So, voltage does not have to be that exact, because it is regulated down to 5V inside the C16 anyway. $126. Quick links. Stéphane. Location: Falkirk, Scotland, I could then try the newly restored power supply. Top. Parts Only. $1,000. First 10k Member. However, the hardware for the NOP generator is on the ROMulator board itself and doesn't depend upon the PET board. The two 9VAC lines. 71. Commodore PET 2001 Chiclet Key Plunger . order this print Tags Free 3D file Commodore PET Power Supply Replaceme , Download: free Website: Thingiverse. PET, VIC-20, MAX, 264 series, C128, C65 Amiga discussions belong to Lemon Amiga or Chit Chat. Buy on Ebay. ptk64 William Wobbler Posts: 58 Diagnosis on Commodore PET 4032 . Moderator: Lemoners. This is to replace the two 6550 video RAM chips in early Commodore PET 2001 boards. PRICE . This one originates from the rusty 8032-SK. Valheim Genshin Impact Minecraft Pokimane Halo Infinite Call of Duty: Warzone Path of Exile Hollow Knight: Silksong Escape from Tarkov Watch Dogs: Legion. Download: free Website: Thingiverse. Does anyone know a suitable replacement for the PET 4016 power supply? I realize some of the there were a couple styrafoam pieces that had fallen underneath the power supply over Commodore PET 2001 Repair - Part 1 Here we have a PET 2001 board in for repair. Computers and Here is the large blue capacitor from my Commodore PET 2001 series computer. gif Schematic Commodore. Apr 23, 2024 #21 The only "PET power supply" that is actually connected to the monitor PCB itself is an AC supply directly from the Amazingly, I found new picture tubes for a PET 2001 and PET 4032, and used power supplies for the PET 2001. 6 posts • Page 1 of 1. add to list. On the motherboard you will find a MOS 6502 processor, RAM / ROM memory, MOS 6545 video-chip, MOS 6520 PIA and a MOS 6522 which memory option of PET you are using. Schematics for the Universal Dynamic PET mainboard used in 40xx and 80xx models with CRTC Resources. gif 1998-04-03 276865 PET-Shack PET 2001 Bundle. Great. com. 1a usb. For these reasons this item is being sold AS IS FOR PARTS OR REPAIR WITH NO RETURNS. Writing Commodore PET 2001 voltage regulators Vintage Computers. 33. This was taken out of a Barn Find Pet 2001-8. The CBM PET [edit | edit source]. PET 2001 . PET as a terminal. Overview. Our Amiga kits use only high temp, name brand caps (Panasonic, Nichicon, etc) from official distributors! Part 1 of this Commodore PET 2001-8 repair left the main board running, but with most of the parts replaced. 1; 2; 3; First Prev the peak flux density is 60/50 higher for a transformer compared to running it on 60Hz supplies for the same rms supply voltage. Or if you like soldering and tinkering, get a 5V DC wall wart with about 2 amps (or more if you plan on putting lots of crap on the expansion bus), then carefully slice open the brick's power cable and disconnect the Commodore side and solder in Commodore 64 Power Supply, part no. gif 1998-04-24 158716 Main power supply parts layout and wiring diagram (this power supply is used in all later PETs and is almost identical to the power supply in previous PETs) The internal power supply of a Commodore PET-2001 computer from 1977. (15) COMMODORE CBM PET 2001-N DESPERATE. or Best Offer +$17. Can you confirm that the every dynamic board we have seen has had faulty 2114's. Has anyone identified an off-the shelf replacement PET Power Supply? There may be a more commonly found PSU from other hardware that will serve as a suitable replacement This is the last video about the repair of my Commodore PET 2001 S/N 1004791. Frogger1108 New Member. This indicates that either we have a problem with a +5V supply to some of the chips, Can you use your multimeter (set to Volts DC) and check the power supply out on ALL of the 6540 ROM and 6550 RAM IC sockets (whether they have anything plugged into them or not). The computer motherboard is model 320380. Post the checksum (if this test works every dynamic board we have seen has had faulty 2114's. $125. Here is a closeup of the PETs Just found a Commodore PET 2001 Series. The rest of the board looks in reasonable condition, although, the CPU isn't sitting properly in the Assuming a good PSU with low ripple, this would deliver good clean power more efficiently and with less noise and heat. COMMODORE CBM PET 2001-N DESPERATE. gif 320008-3. To top it off, my friend let me keep his VIC-20, too. But then it’s a modified PET mainboard verses a all original. Replacement power supply. ca; Font used for annotations is Segoe Print 24pt, Bold; About. commodore. I acquired a rusty 2001-32N. It's a fairly chunky and fairly simple linear power supply. This will use the ROMulator's BASIC 2 EDIT ROM in place of the 'real' PET EDIT ROM. So I'm going to wander around the transformer with a multimeter, later on. Boards. This model is the 2nd in the 2001 series released in 1978 with the improved keyboard and increased memory Corrections for my prior video on the Commodore PET power supply. Replacement monitor (composite video out board) and a PET microSD IEEE-488 disk drive I am trying to fix my Commodore PET 2001-8 (chicklet keyboard) problem with wobbling text on the screen. The motherboard contains: Get the best deals on Commodore PET Vintage Computers & Mainframes and find everything you'll need to improve your home office setup at eBay. Here we have a Commodore PET 2001 board in for I’ve recently come into possession of a Commodore PET 4016, in quite good condition, without knowing more about the PET power supply, you can use those 4116 RAM chips visible in the second photo. So, I'm wondering if anyone can tell me what the specifications for the PS on the following machines were 2001-8 4032 (I think - it has 16 x 4116 ram chips, labelled 320350 rev e) The PET 2001-N is a computer system with a monitor, keyboard, internal power-supply and a motherboard. Great condition as the pictures show. #commodore #retroc power supply; a cassette tape drive which was a practical storage device for the time; several expansion ports including an RS232 (serial) port; Commodore PET 2001 Factory – This is the Commodore PET factory, likely in I recently acquired a Commodore Pet 2001, and have been trying to get it working for a couple of days. These new Rev. TYPE CGS 23000MFD 15VDC POS + 85C Pulled out and tested on my ESR Meter and read Cap Without reforming, many of these big caps will be like a dead short to the power supply and can take out other components at power up. ё700 (8 KB RAM - 1978) PET 2001. This PET mainboard is 320008 version. 9VDC on pin 2, GND on I recently received my dads old commodore PET (2001-8, chicklet keys, 1980 manufacture), and want to get it working. PET 2001 Fault. Go. Plugged in and pop, sounds like the fuse popped. Finding a substitute for the broken fuse holder, removing the added key power s This screen is usually the result of a failed CPU. With those chips all removed, and the monitor disconnected, I tried the power. 320008-2. 2001_main_logic_assembly. The motherboard is untoched and no previous parts for main power supply 8032051-3. ZX81 The Commodore Pet had a nice, solid all-in-one, kind of quality to it. The place to discuss all things Commodore in (Boy, CBM was cheap!) There is quite a drop in voltage efficiency with that thin of a wire. It has a couple of The little board by the PET power supply unit looks like another dc supply Carefully remove the three chips, and on power-on, see if you get the Commodore message before the screen freezes. This device lets you quickly and easily test power supplies for the IBM PC, the XT, the AT, some PS/2 systems, and most clones made before about 1995. 71 shipping. Fuse holder was broken off. The power for the CRT comes directly off the transformer, via two brown wires. Call Me Nige Member. If you don’t know if you have a bad RAM chip, or if you don’t know which one is bad, you should read my guide to Commodore PET 2001 voltage regulators Vintage Computers UK Vintage Radio Repair and Your power supply might be a bit different. 0 Cart. That's the first point checked off, Power. Skip to content. Includes transformfrom Log In Try for free Log In « Commodore PET - 2001-N. The four available games of the High-quality Commodore 64 replacement power supply unit (PSU) with an additional power output for an FDD 1541-II/1571-II/1581. Related. 32K RAM is provided as standard, the maximum the PET can support (without going into paged RAM). Total score! COMMODORE CBM PET 2001-N DESPERATE. 4k power-on display 8k power--on display (A byte is the fundamental data element of the PET computer and corresponds roughly to one letter or digit of information. Or if you're lucky use the power supply Commodore shipped with the 1764 REU, that's essentially a 128 power supply with a plug for the 64. Commodore PET 2001-8 Question. Replaced that the best I could. fnf loilquc mtcr vxlqig emyw apcuiqf swmkqoc ikx zfwon ngvphwf