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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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PTV780 splitter measurements
Does anyone know what the exact resistance value the pc feedback leads
of the splitter should read when good? I have an LS panel in the shop that shuts down after about 4 seconds (with normal raster). The splitter reads exactly 46.6K between the pins, and no continuity between the pins and the HV leads (1.9NS actually). I have a known good splitter in the shop that reads exactly 48.5K between the leads. Since we don't have the whole TV here to try it, I don't want to send the tech back to try it without being sure. OTOH, I'd hate to send the board out for rebuild if the splitter is the only problem on the board. John |
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