5V at Power supply ok?
Measure the 5V DC directly between pin 1/2/3 (GND) and pin 5 (+5V) of the
power supply plug.
Note: The picture shows the JACK in the C64, not the PLUG which you
If it is between 4.8 and 5.2V, it is OK.
Updated: February 12th, 1998
Created: February 12th, 1998
Status : Verified on February 12th, 1998
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!