









 
Access LED does not go out after power up
Symptom: Access LED and motor do not go out after power up.
Target : -
Possible sources of failure
  - serial cable -> continuous reset
  - 74LS14
  - <>5V
  
Analysis
Cable ok?
 
  Try a different serial cable. If it works, buy a new cable. The
  old one is damaged and causes a continuous serial reset.
 
71LS14 ok?
 
  Exchange the 71LS14 located near the serial input/output jacks.
The following procedures require a multimeter or a logic tester.
  Blah...
  Site copyright © 1997 by Marc-Jano Knopp
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