585/Repairs: Difference between revisions

585/Repairs (view source)

24 bytes added , 29 March 2020

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 :<gallery>
 Electrolytic repair 1.jpg | Remove defective cap
-Electrolytic repair 2.jpg | Cut can near base, remove guts
+Electrolytic repair 2.jpg | Cut can near base (using a small hacksaw or a pipe cutter), remove guts
 Electrolytic repair 3.jpg | Fit modern cap
 Electrolytic repair 4.jpg | Epoxy cap onto base
@@ Line 48: / Line 48: @@
 ==Wavy trace ==
 :'''Symptom:''' Wavy trace
-:'''Root cause:''' C786 (100µF 25V) has high internal resistor (ESR ~ 20 ohms). +12.6 v regulator ciruit is oscillating
+:'''Root cause:''' C786 (100 µF 25 V) has high internal resistance (ESR ~ 20 Ω) causing +12.6 V regulator circuit to oscillate
-:'''Solution:''' Replacing of  electrolytic capacitor C786 with new part.
+:'''Solution:''' Replace C786 with new part.
 :<gallery>
 wavy trace.JPG | wavy trace
-_wavy_trace_new_electrolytics.JPG |  -12.6 v PSU with  new eletrolytics.
+_wavy_trace_new_electrolytics.JPG |  +12.6 v PSU with  new eletrolytics.
 </gallery>
 :--[[User:Matt|Matt]] ([[User talk:Matt|Matt]]) 08:53, 5 May 2019 (PDT)