Commodore 1541C Floppy Disk Drive Repair – Follow Up

A short (long actually lol) video covering some more things related to the 1541C Floppy Drive. Sorry there’s a couple of editing errors in here =/

Mitsumi Newtronics

Head coil resistance readings on a working drive:-

red & yellow: 25.6 Ohm
red & black: 12.4 Ohm
red & blue: 23.8 Ohm
yellow & black: 13.8 Ohm
yellow & blue: 25.2 Ohm
black & blue: 12.0 Ohm

For the Newtronics 1541C model:-

J3 ON = track 0 bump
J3 OFF = track 0 use photo sensor

J1 ON J2 ON = DEVICE 8
J1 OFF J2 ON = DEVICE 9
J1 ON J2 OFF = DEVICE 10
J1 OFF J2 OFF = DEVICE 11

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