File:Tandon TM100 R4 speed control and timing disk (manual figures 5-3 and 5-4).png
Summary
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Figures 5-3 and 5-4 from Tandon's TM100 service manual. Figure 5-3 shows the servo circuit board of the Tandon TM100-1 / TM100-2 with the location of R4, the spindle speed control potentiometer, and the connector J1 (servo jumper and drive motor). Figure 5-4 shows the drive from below, front to the left: the timing disk on the spindle pulley, whose outer bars are used under 60 Hz lighting and inner bars under 50 Hz lighting. Rendered at 200 dpi from page 5-5 of the manual and cropped.
Source
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Tandon Corporation, OEM Operating and Service Manual, TM100-1, TM100-2 Disk Drives, 48 Tracks Per Inch, 179022-001 Rev. B (1983), p. 5-5 (PDF page 47), hosted here as File:Tandon TM100-1 TM100-2 48TPI Operating and Service Manuals 1983.pdf.
Author
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Tandon Corporation
Licence
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Copyright Tandon Corporation, 1983. Not freely licensed. Reproduced for repair reference, with the source cited.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 19:41, 25 October 2026 | | 1,519 × 1,887 (57 KB) | Josh (talk | contribs) | Upload for repair guide |
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