Tandon TM-100-1 Operating And Service Manual page 85

5.11.9 Make sure that there are nq cables underneath the Track 00 Switch Assembly.
5.11.1 O With a Phillips screwdriver, install and tighten the mounting screw that attaches the Track 00 Switch
Assembly to the bottom of the chassis (see Figure 5-22) .
5.11.11 Reinstall the E-ring with an E-ring insertion tool.
5.11 .12 Harness the new Track 00 Switch Assembly's cables, the Activity LED Assembly's cables, and the
Write Protect Switch Assembly's cables to the bottom of the chassis (see Figure 5-20).
5.11.13 Harness the bundle of cables, including the new Track 00 Switch Assembly's cables, located at the
back of the drive motor (see Figure 5-20).
5.11.14 Reinstall the Logic PCBA (see Section 5.2).
5.11.15 To adjust the Track 00 Switch Assembly, loosen the mounting screw, and move the switch in or out by
turning the adjustment screw if the reading was previously incorrect (see Section 2.2.3).
5.11.16 To verify the Track 00 Switch Assembly's operation, check it with an ohmeter (see Section 2.2.3) .
NOTE1
There should be an open connection between Pins 1 and 4 of Plug
11 , and a connection between Pins 2 and 4 at Track 2. When the disk
drive goes to Track 1, this reading should be reversed.
NOTE2
There is no Track 00 output to the controller until the drive motor
phase is correct (see Section 3.3.2.2) .
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