If a COMMODORE 64 dies after the warranty expires the owner has the option of finding a local repair shop or sending it off to Commodore.
Another option and the subject of this manual is fixing it yourself. How useful the tips found here will be depends on your electronics experience and resources. Even the most experienced technician can save a lot of time with repair history on a machine he has not worked on before. On the other extreme, some people may have great difficulty with the simplest repairs. Where you fit will determine how far you want to troubleshoot. This manual will be of use to electronic repair centers by bypassing some of the learning curve that goes with taking on any new line of equipment, in this case the Commodore 64.