MainHELP Glossary Hardware SAL Workshop Companies FTP ToolsBackAbout

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


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.

Site copyright © 1997 by Marc-Jano Knopp
This document is part of MJK's Commodore 64 & LCD Page
Brought back to life by Peter Schepers, Dec 10, 2005 because I really liked this site!