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New Infocus SP-006 lamp hum won't go away!

1064 Views 0 Replies 1 Participant Last post by  John Frank
I just installed a new Infocus lamp/module in my 7205 and as it did in the past, the startup hum will not cease. When I first installed it, the hum would take a little longer to drop out, like 5 minutes, but now it is constant and VERY loud. Do I have a bad module or an issue with the transformer's impedance?

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