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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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Pongs in electronics
Anyone have a better knowledge of why fatty acids appear in circumstances
where high dielectric strength/ good insulation is needed. Hence the "fishy smell" of physically broken/leaking electrolytic capacitors. Possible candidates ( from Googling ie no specialised knowledge on this ) eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) and degradation product 2,4-heptadienal/2,4-hepadienal ? , PETEP oil (Penta- Etythrite-Tetra Fatty Acid Polyester oil) And in the case of rotted horse manure smell from some types of old transformer windings perhaps Caproic Acid or Hexanoic acid giving that smell |
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