576/Repairs: Difference between revisions

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Replaced  Symptoms not noted, but seems to have less distortion in the display.
Replaced  Symptoms not noted, but seems to have less distortion in the display.
   
   
NOTE: All electrolytic caps which were previously replaced, (except for 1 cap) tested as high ESR to the point of almost being shorts to ground.  
NOTE: All electrolytic caps which were previously replaced, (except for one cap) tested as high ESR to the point of almost being shorts to ground.  
Undoubtedly loading they power supply and not filtering much at all.   
Undoubtedly loading they power supply and not filtering much at all.   
Replaced all remaining electrolytics that could be found on the Right side.  
Replaced all remaining electrolytics that could be found on the Right side.  
Voltages in all supplies became cleaner and most of the voltages increased as well.  
Voltages in all supplies became cleaner and most of the voltages increased as well.  
Power supply is now well within the normal operating range.  
Power supply is now well within the normal operating range.  
Type 576 Electrolytic caps should be your primary suspect when repairing or adjusting these machines.       
Type 576 electrolytic caps should be your primary suspect when repairing or adjusting these machines.       


Preemptive strike:  
Preemptive strike:  
Replaced K101 K102 and K103 Relays.  
Replaced K101 K102 and K103 Relays.  
NO symptoms or malfunctions noted.
NO symptoms or malfunctions noted.

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