576/Repairs: Difference between revisions

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Found shorted D83 -  1N4152 not aware of symptoms related to this defect.
Found shorted D83 -  1N4152 not aware of symptoms related to this defect.
      
      
Replaced D708 with proper 9V TC ZENER, -75V Supply is now rock solid @-75.015V, no "drift" as the machine heats up.  
Replaced D708 with proper 9V TC ZENER, -75V Supply is now rock solid @-75.015V, no "drift" as the machine is turned on and as it heats up.  
   
   
NOTE: All electrolytic caps which were previously replaced, (except for one cap) tested as either high ESR or to the point or being shorts to ground.  
NOTE: All electrolytic caps which were previously replaced, (except for one cap) tested as either high ESR or to the point or being shorts to ground.  
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