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RESISTANCE CHECKS
TANDON DRIVES

[Stepper motor] 37 OHMS PIN 1 TO PIN 2
37 OHMS PIN 3 TO PIN 4
[Spindle motor] MOTOR COIL = 137 OHMS
TACH COIL = 177 OHMS AT REST
TACH COIL = 160-195 OHMS IN MOTION
[R/W and erase coils] R/W END TO END = 23 OHMS
R/W END TO CENTERTAP = 11 OHMS
ERASE COIL END TO END = 1.07 OHMS
ALL MEASUREMENTS MADE AT THE APPROPRIATE CONNECTION WHEN DISCONNECTED FROM THE ANALOG PCB.



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This page has been created by Sami Rautiainen.
Read the small print. Last updated June 07, 1998.