77
edits
576/Repairs: Difference between revisions
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→Some Defects without symptoms. NOTE: Just because I did not see "symptoms" does not mean that they were not there, just that I was not experienced enough to find any such symptoms.
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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. | ||