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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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Peavey chip ceramic cap labelling of 1990
The schamatic of this PV amp out there is for 2000, this 1994 version
quite different. All the CC caps are small mustard colour epoxy covered small cylinders. Labelled with likes of 473 or 104 presumably for 47nF or 100nF but what about marks of 424 and 419?. Or are these the week/year date marks and the 3letter codes such as KNO and RSC are the value markings? 2 of these are physically broken, the wire ends broken at the solder slab. One labeled 473 measures 57nF and one marked 424 measures near enough 100nF. Vibration failure , inside Bandit 112 combo,preamp section with no stress telltales anywhere ? |
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