WimWalther
Experienced Member
Howdy,
I have here a Chinon-made Enhancer 2000 floppy drive, which is a CBM 1541 compatible designed for use with C-64 & VIC-20. It worked just dandy until.. suddenly, it didn't. There was no warning - just powered it up one day and it wouldn't read or write discs. The logic board seems largely ok, as it communicates via the serial bus, operates the motors, etc.
My suspicions fell on the R/W head, here's what I've found: The head connects via 5-wire shielded cable with red, yellow, black, white and shield contacts.
Red-yellow reads 26 ohms. I can get no reading between white/black and/or any other color. Shield connects to gnd on PCB end of cable.
Shouldn't there be TWO coils in that head - one each for R/W and erase? Or maybe separate R&W coils? Sound like the head has an open coil?
Thanks in advance.
I have here a Chinon-made Enhancer 2000 floppy drive, which is a CBM 1541 compatible designed for use with C-64 & VIC-20. It worked just dandy until.. suddenly, it didn't. There was no warning - just powered it up one day and it wouldn't read or write discs. The logic board seems largely ok, as it communicates via the serial bus, operates the motors, etc.
My suspicions fell on the R/W head, here's what I've found: The head connects via 5-wire shielded cable with red, yellow, black, white and shield contacts.
Red-yellow reads 26 ohms. I can get no reading between white/black and/or any other color. Shield connects to gnd on PCB end of cable.
Shouldn't there be TWO coils in that head - one each for R/W and erase? Or maybe separate R&W coils? Sound like the head has an open coil?
Thanks in advance.