HP 300 Service Information Manual

Safety ConsiderationsYour Attention, PleaseWarnings, cautions and notes are used through out this document to alert the user to conditionsof inlportance. They are used as follows:• WARNINGS relate to activity which, if not properly performed, could result in injury topersonnel or loss of life.• CAUTIONS relate to activity, which if not properly performed, could result in damage toor destruction of equipment. In this case, injury to personnel is typically not a concern.• NOTES provide information that will help understand situations and better prepare peo-ple in accomplishing the job.Examples:WARNINGThe power supply presents a hazard to personnel when it is energizedand exposed. Extreme care must be taken when connecting a voltmeterprobes to the test points. Accidental bridging of the +5 volt supplyto ground by rings or other jewelry can cause severe personal injury.De-energize the equipment by turning off the unit and removing thepower cord before connecting or removing test probes.CAUTIONThe electronic assemblies in these products are susceptible to damageby electro-static discharge. Extreme care must be used when handlingprinted circuit assemblies. Handle printed circuit assemblies only whengrounded to an anti-static workstation.NOTEHewlett-Packard supports field repair only to the assembly level. Thefault is diagnosed to the assembly that is causing the problem. Thatassembly is then replaced with a new or rebuilt one.viiArtisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com