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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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Sanyp DS27590 goes dim after a second
Hi. Got a Sanyo DS27590 that goes dim after 1 second. Change channel,
perfect for 1 second. I don't have a print. Chassis is 27590-01. I ran into this before on a 35" Sanyo. 5 volt reg was a little high, IC681. Well, this one doesn't use same reg. All transistors check good, apparently, with meter. Same with diodes and zener diodes. 130 volt B+ is dead on so switch mode PS seems to be fine.Any input on the 5 volt reg for this DS27590 would be highly welcomed. Danny |
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