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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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MORE UPDATE: Dell Optiplex SX260 Computer Won't Boot Up
Hi,
More Update: I replaced every one of those 2200/6.3V with new Nichicon 2200uf 10V 105 deg. caps (verified good by testing them), but that did not fix the problem. The symptoms are exactly the same as I described in my original post. Note: I also replaced some other caps that had higher than normal ESR (eg. 220uf 16V caps). Note: I measured in circuit the +5V and +12V voltage sources, and both were "clean" (scoped) and at the proper level. Without a schematic, there isn't much more I can do. I have decided to abandon this repair attempt. John |
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MORE UPDATE: Dell Optiplex SX260 Computer Won't Boot Up
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MORE UPDATE: Dell Optiplex SX260 Computer Won't Boot Up
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