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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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ESL 1500 battery charging circuit
I have a ESL 1500 fire control panel that will not charge the
batteries. There is absolutely zero voltage coming out of the charger circuitry with a dummy load in place of the batteries. I would like to get a schematic for this circuitry and/or hear from anyone who might have encountered a similar problem. The fuse IS good and everything else works normally. A set of fully charged batteries WILL operate the panel without an AC power input. |
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