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Author Topic: Christie rectifier buzzing Richard May Phenomenal Film Handler Posts: 1057 From: Floral Park, NY USA Registered: Aug 2004 posted 07-22-2007 01:15 PM                     I have a 2000 watt Christie console. Over the last year or so, the high pitched buzzing sound has been getting louder. What would cause this. It stikes up runs fine. It is definitely coming from the rectifier.  |  IP: Logged Louis Bornwasser Film God Posts: 4441 From: prospect ky usa Registered: Mar 2005 posted 07-22-2007 02:10 PM                        First of all, nothing to be concerned about assuming you can still hear!! After a long hard day of running, kill power and quickly tighten the bolts in the actual transformer windings. It is important that the power be off, but the metal still hot. Louis  |  IP: Logged Mark Gulbrandsen Resident Trollmaster Posts: 16657 From: Music City Registered: Jun 99 posted 07-22-2007 05:48 PM                     Well, First you need to determine if one of the sets of windings is loose or if its the Iron frame laminations. Tightening up the screws may work but laminations will seperate in between the frame screws...generally. If the windings themselves are loose which is extremely common get some linoleun scraps and grind one edge sharp so you can drive a poece into where the other shims are at to tighten it back up. Lately I've found that linoleum works far better than oak wedges did. I can get a loud buzzing rectifrier that can be hears downstairs dead quiet again this way. Mark  |  IP: Logged Robert E. Allen Phenomenal Film Handler Posts: 1078 From: Checotah, Oklahoma Registered: Jul 2002 posted 07-22-2007 09:14 PM                     There are 15 CFS consoles in the theatre I just left and two of them have the same problem. When started it sounds like an alarm going off. The company booth engineer said it's the transformer windings. They have come loose and not to worry about them. They quiet down some after the machine has run for awhile.  |  IP: Logged Eric Robinson Jedi Master Film Handler Posts: 538 From: Santa Rosa, CA Registered: Jan 2005 posted 07-24-2007 01:39 AM                     And see prevois post: rectifier buzz Helped me a lot!!  |  IP: Logged

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