File:Tandon TM100-1 TM100-2 48TPI Operating and Service Manuals 1983.pdf

Tandon TM100-1 / TM100-2 48 TPI Operating and Service Manuals, Tandon Corporation, Chatsworth, California. Manual part number 179022-001 Rev. B, printed July 1983.

The OEM operating and service manual for Tandon's full-height 5.25-inch 48 TPI floppy drives - the drives IBM shipped in the IBM PC (5150) and IBM PC XT (5160). Covers both the single-sided Tandon TM100-1 and the double-sided Tandon TM100-2.

Contents: electrical, operational, reliability and environmental specifications (Section 2); interface and option patching (Section 3); theory of operation (Section 4); maintenance checks and adjustments including drive motor speed, radial track alignment, index-to-data, azimuth and track 0 (Section 5); troubleshooting guide and parts replacement procedures (Section 6); recommended spare parts list with Tandon part numbers and assembly drawings (Appendix A); circuit board schematics (Appendix B).

Cited on this wiki for the drive's real specifications (300 RPM plus or minus 1.5 per cent, 250 kbit/s, 48 TPI, 40 cylinders, track-to-track 5 ms, settling 15 ms, average access 75 ms, +12 V plus or minus 0.6 V at 900 mA and +5 V plus or minus 0.25 V at 600 mA), the alignment tolerances (cat's eye at least 75 per cent, index-to-data 200 plus or minus 100 microseconds, azimuth within plus or minus 18 minutes), the drive belt part number 914000-001, and - importantly - Tandon's explicit caution not to clean the heads by hand with cotton swabs or solvents.

bitsavers.org, pdf/tandon/TM100/TM100-1_TM100-2_48TPI_Operating_and_Service_Manuals_1983.pdf.

Copyright Tandon Corporation, 1983. Tandon Corporation no longer exists and the manual is not commercially available. Hosted here as out-of-print manufacturer service documentation for repair reference. Not under a free licence.