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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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Philips PTV916 shutdown problem
I'm working on a Philips 60P8342 (P916 chassis) that shuts down about
3 to 5 seconds after turn on. I have the electronic version of the service manual and so far everything I've checked looks good. The low voltage power supply is regulating correctly and it has horizontal and vertical deflection. I tried pulling the convergence plugs in case a convergence IC was shorted. I also pulled the CRT sockets in case one of the CRTs was shorted. It has high voltage until shutdown. The manual I have isn't very helpful in determining the cause of shutdown. Does anyone with experience on this chassis have any suggestions? At this point I would be happy to take the risk of disabling the shutdown circuit to see what happens. If it can't be repaired inexpensively and quickly it will be scrapped anyway. Andy Cuffe |
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