Floppy drive head stepper motor fix

Author: ilmp

August undefined, 2024

WebSep 14, 2024 · The drive is the Shugart 801 with an LSI PCB, supposedly meaning it does not need -5VDC compared to earlier models. The main problem is that the stepper motor works FORWARD but not backward, meaning the head can go all the way out but must manually be pushed back in. This means a disk cannot be read/written to effectively. http://pc-restorer.com/repairing-1-44mb-floppy-drives/

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WebMay 6, 2024 · system April 2, 2013, 7:34pm #1. Hey Guys, I've removed a motor from a 5.25" floppy drive. It has three wires input (might be an ac 3-? stepper motor / spindle motor). It uses an obsolete M51784P motor drive, whose data sheets were nowhere found. The motor turns a step when i randomly give a 12v DC power to two of the three wires. WebStep 1: 5.25" Floppy Drive Windmill Construction. First, we have opened an old generation PC286 and removed 5.25 inch floppy drive unit. After dismantling the floppy drive unit, we have carefully removed stepper motor. We have drilled two holes with stationary drill on the shaft and directly attached the turbine (propeller). ear taper stretching kit

Fixing a floppy stepper motor. - CPCWiki forum

WebMay 13, 2024 · An esoteric solution: If you have zero software and zero ability to make disks, but you have a PCjr, put the drive in the PCjr and go into the built-in diagnostics by booting the machine and hitting CTRL-ALT-INS. The disk test (type "MPNP" when prompted to enter a code) can output a variety of codes based on the test. WebApr 14, 2024 · spinnaker. Joined Oct 29, 2009. 7,830. Apr 13, 2024. #1. I am refurbishing an old computer that has a 5.25" drive. One of the things on the list is to get the drive up and running. From my PC repair days, I seem to remember a special disk that you would need to insert to do an alignment. WebOct 7, 2014 · I have extracted a small stepper motor from a 3.5 inch floppy drive, that I intend to use with an Arduino or Raspberry Pi. The problem is: initially a thin ribbon cable was attached to it, with no labels. I couldn't use them, so I soldered wires to it. how can I determine which cable is what? ct cdl general knowledge

HOW TO - Reusing a floppy stepper motor - MAKE …

Old 5.25" Floppy drive Motor with 3 wires - Arduino Forum

WebNovanta IMS offering includes the MDrive family of integrated stepper motor driver controller packages, standalone rotary motors and linear actuators. MDrive Integrated … WebMay 6, 2024 · The Arduino can’t directly drive motors, so you will first need a driver , to amplify the signals from the Arduino to a level useful for the motor. You can drive a floppy step motor directly from the arduino. BUT you need to keep the floppy controller board. The control has a 5V logic interface that controls the steps, the direction and the ... ct cdl lawsWebMar 25, 2013 · 7. Mar 23, 2013. #3. We have another identical floppy drive that we have salvaged a motor from and we are seeing nearly identical issues with the same … ctc driver offline

"WebJun 20, 2014 · The stepper motor controller may be inhibited by the track zero sensor to prevent the head being driven further out than it's limit. 3. The inactive state of the pins … " - Floppy drive head stepper motor fix

Floppy drive head stepper motor fix

Need help fixing stepper motor issue with Disk II floppy drive

WebJun 23, 2011 · Activity points. 10,985. the rpm of the floppy motor is to be known , to get any reasonable power from the motor as generator. the floppy standard speed is 360 rpm. if it is dirct coupled then that is the rpm . if the motor in your hand is belt driven then the pully ratio is necessary. Not open for further replies. WebOct 26, 2015 · Oct 22, 2015. #1. I recently acquired a CMI model CM 5412 10mb hard drive. Sadly, it was poorly stored, and it has some corrosion and rust on it. Surprisingly, after some struggling the drive motor spun up, no screeching that might suggest a head crash, but the heads would not seek. I opened up a compartment on the bottom that …

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WebI purchased this word processor a month ago and it works very well with the xception of the floppy drive. It spins but the stepper motor appears to have zero life, no movement or … WebOct 17, 2006 · Most 5.25″ floppy disk drives have a stepper motor in them for positioning the head, plus interesting widgets like optical emitters and detectors. With a little bit of …

WebSep 2, 2016 · Opening up the drive: Most 1.44Mb floppy drives have a lid or top cover which is clipped on the side and can be removed with a flat screwdriver. Some drives have 2 tiny phillips screws which need to be … WebStep 2: Dismantle. The front panel has a small clip on the left and right, push one in with the screwdriver and pull that side forward and the panel should come off, other drives the …

WebSep 24, 2024 · PS/2 Floppy Drive Repair. Thread starter falter; Start date Sep 6, 2024; falter Veteran Member. Joined Jan 22, 2011 Messages 5,900 Location Vancouver, BC. … WebApr 10, 2024 · Making music with floppy drives works because the stepper motor that drives the read-head is so noisy. By moving the read head at different speeds, the motor produces different pitches which are then amplified by the drive casing. ... Grounding the ‘step’ pin will cause the read head stepper motor to advance 1 step, and the state of the ...

WebNov 14, 2024 · 9 4. A stepper motor usually has multiple "phases", if it vibrates instead of moving, then one or more of them are not properly driven (for whatever reasons). And I …

WebThese stepper motors are tiny and sensitive, so one has to b... In this video I show you how I removed some stepper motors from some old NEC floppy disk drives. ctc drop classWebMar 25, 2013 · 7. Mar 23, 2013. #3. We have another identical floppy drive that we have salvaged a motor from and we are seeing nearly identical issues with the same code/driver setup. The code/driver setup has worked with three other bipolar stepper motors that we purchased from ebay with no problems. I have posted the Processing sketch used to … ctc driving testWebDrive Motor: A very small spindle motor engages the metal hub at the center of the diskette, spinning it at either 300 or 360 rotations per minute (RPM). Stepper Motor: This motor makes a precise number of stepped … ct cds licenseWebAug 6, 2024 · I can test, repair, and align your 8" floppy drive/s if you need it/them serviced. Michael . Lutiana Administrator. Staff member. Joined Mar 26, 2009 Messages … ctc dog trainingWebDec 11, 2024 · I took the FluxEngine to VCFe Zurich the other day --- only to discover that both my 5.25" floppy drives had failed, in the same way: grating noises while stepping the head, in that very characteristic manner which sounds precisely like a stepper motor missing steps. When single stepping you can... ct cdl med recertWebSep 12, 2007 · A floppy drive has two motors, one that rotates the spindle and drives. the disk , and another that positions the read/write head. It's. probable. that the MOTOR pin controls the spindle rotation (usually there's a. multiphase. AC motor for that) while the DIRECTION and STEP control the stepper. ctc distributing ltdWebMar 16, 2024 · 1. moved the logic chips from working system to non working. no change. 2. moved the entire top main board from working to non working, both boards work on the … ctc eagle self-service