Magnavox T989 chassis flyback
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I am in search of magnavox flyback #361499. t989 chassis r313 1200 ohm resister opened. replaced with tripler disconnected and no hv. seems like there is drive. be glad to pay shipping on a whole chassis. i may have to get back in there and troubleshoot that d board. any tips?
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Some of these FBT's plugged in. The connections would toast up.
Also the mother board & module connectors went cold a lot. Dont forget the frame grounds.... It doesnt show one but this is about the time they switched to 4-lead caps. An open leg will kill the HV. The SCR is for HVSD. Pull it to eliminate BUT use a variac, you may have too much HV. Start it at abt 70VAC. With the tripler input unhooked you should get a healthy 1/2" arc at the FBT out. These were not FBT eaters. Only ones I changed were badly burned from the bad connections. 73 Zeno:smoke: LFOD ! |
thank you
I will check these suggestions and let you know results
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I checked the Thordarson number, looks like their part # FLY-462. I didn't see on in my stash.
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