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Author Topic: CP-500 front door repairs? Rick Long Jedi Master Film Handler Posts: 759 From: Toronto, Ontario, Canada Registered: Nov 1999 posted 10-06-2003 12:13 AM                     Over the past year, we have accumulated a number of front doors (Dolby CP-500), some with volume control problems, some with l.c.d. screen read-out problems. Is there anything to be gained by taking the back off these doors? I am thinking that if the volume control is equipped with some sort of magnetic or photo-sensitive eye that could be cleaned with compressed air, or (in the case of screen problems) any easily replacable chips (not s.m.t.'s) that are field-replaceable, perhaps I could get these things up and running again, quicker than sending them back to Dolby. [ 10-06-2003, 07:08 AM: Message edited by: Rick Long ]  |  IP: Logged Jon Bartow Master Film Handler Posts: 287 From: Massachusetts Registered: Nov 1999 posted 10-06-2003 08:27 AM                     With the LCD screens I have occasionally had luck with just disassembling and reassembly (i.e. reseat some of the connectors). It has caused some of the black lines to disappear. I've had a couple that this saved a trip to Dolby. But most of them had to take a trip to California  |  IP: Logged Ray Derrick Master Film Handler Posts: 310 From: Sydney, Australia Registered: Sep 2001 posted 10-06-2003 09:39 AM                     The volume control on the CP500 is a rotary contact encoder made by Bournes. If can fail if the knob is knocked heavily inwards by a careless person. Once it fails there is no way to fix it, it has to be replaced. The part is relatively cheap but is not readily available. Minimum order quantity from Bournes is 1,000 units, I know this because we have been using the exact same part in Panastereo processors for years before Dolby stole the idea for the 500. I would offer to send you some but why should I help someone who supports the enemy?  |  IP: Logged Steve Kraus Film God Posts: 4094 From: Chicago, IL, USA Registered: May 2000 posted 10-06-2003 03:27 PM                    Because you could make an unconscionable markup!  |  IP: Logged Ray Derrick Master Film Handler Posts: 310 From: Sydney, Australia Registered: Sep 2001 posted 10-07-2003 12:51 AM                     My names's not Nixon  |  IP: Logged Josh Jones Redhat Posts: 1207 From: Plano, TX Registered: Apr 2000 posted 10-07-2003 06:40 PM                        Oh, come on now, thats capitalism Josh  |  IP: Logged Michael Schaffer "Where is the Boardwalk Hotel?" Posts: 4143 From: Boston, MA Registered: Apr 2002 posted 10-07-2003 06:51 PM                        quote: Because you could make an unconscionable markup! What does that mean?  |  IP: Logged Steve Kraus Film God Posts: 4094 From: Chicago, IL, USA Registered: May 2000 posted 10-07-2003 07:15 PM                    It means he could sell them for much more than they cost earning him a nice profit for his trouble and it would still be a good deal for the buyer. Ray: Is Tricky Dick considered America's biggest crook? Personally I would have gone with "My name's not Bill Gates!"  |  IP: Logged Steve Guttag We forgot the crackers Gromit!!! Posts: 12814 From: Annapolis, MD Registered: Dec 1999 posted 10-13-2003 12:02 AM                     I am pretty sure Digi-Key sells this rotary encouder. Steve  |  IP: Logged System Notices Forum Watchdog / Soup Nazi Posts: 215 Registered: Apr 2004 posted 08-02-2016 02:52 AM                 It has been 4677 days since the last post.  |  IP: Logged Dexy Foxy Film Handler Posts: 1 From: Ontario, Toronto, Canada Registered: Jul 2016 posted 08-02-2016 02:52 AM                     Hi there! When a person is owner of a big house, there is a great chance of breaking protection system one day. Even if locks are expensive, everything can still happen. Mechanism can just become old or wrong opening can damage it. Or you have decided to upgrade your house doors, for example. Door repairs can take place in any of your rooms. Such services are needed when it is a matter of garage door lock repair or patio door lock repair in Vaughan (Ontario). So, I'd extremely recommend locksmith vaughan in Canada!  |  IP: Logged Mitchell Dvoskin Phenomenal Film Handler Posts: 1869 From: West Milford, NJ, USA Registered: Jan 2001 posted 08-02-2016 08:05 AM                     There is never a moderator around when you need one... Dexy Foxy (is that a real name?) post above is just spam for some locksmith in Canada, having nothing to do with this thread or the exhibition industry.  |  IP: Logged Randy Stankey Film God Posts: 6539 From: Erie, Pennsylvania Registered: Jun 99 posted 08-02-2016 03:06 PM                     Yeah, that's the first time I've seen forum spam, here, in recent memory... if ever.  |  IP: Logged Phil Ranucci Expert Film Handler Posts: 236 From: Carpinteria,CA, United States Registered: May 2006 posted 08-02-2016 06:26 PM                     Well this post could use a bump. Anybody got a source for the encoders?  |  IP: Logged

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