Service manual

Chapter 5 E01S Fault finding
FileStore Service Manual 79
The measured values should be:
+5V Standby 50mA nominal
R/W 275mA nominal
+12V Motor or start up 500mA nominal
Seek 140mA
R/W 90mA
See Fig. 7 for a diagram of the typical waveform produced:
Figure 7: E01S start-up waveform
NOTE
The above figures are per drive. Also note that the quality of diskette and type of drive used
can affect the values given.