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Author Topic: CP650 Stuck in P2 Richard May Phenomenal Film Handler Posts: 1057 From: Floral Park, NY USA Registered: Aug 2004 posted 03-16-2019 04:48 PM                     I just got a used 650 to replace a problematic one. This one wakes up in P2 even though the dip switches are all off. It stays in P2 whether or not the C/O cable is hooked up from the Kinoton. When I hook up the cable, which works fine on the old 650, it still stays in P2 regardless of the projector I switch to. I just saw that there are 2 jumpers on the bottom board for internal C/O switching. I'm going to try those.  |  IP: Logged Jim Cassedy Phenomenal Film Handler Posts: 1661 From: San Francisco, CA Registered: Dec 2006 posted 03-16-2019 11:01 PM                     Try disconnecting everything from the 9pin "Motor Start" connector on the back of te unit. Those sometimes had a jumper installed which would do this. Take a piece of wire or a clip lead & short pins 2 & 5 and see if it switches to P1 when U do this. (If I recall, the CP650 is shipped with 9pin plug with pins ! & 5 jumpered which would force it to P2 "permanently" If that works, than the problem is with your wiring.  |  IP: Logged Sean McKinnon Phenomenal Film Handler Posts: 1712 From: Peabody Massachusetts Registered: Sep 2000 posted 03-18-2019 07:21 AM                        I could be mistaken but I thought the included 9 pin jumper only jumped the motor start signal for p1 to ground to enable SR-D playback from a single machine system?  |  IP: Logged Richard May Phenomenal Film Handler Posts: 1057 From: Floral Park, NY USA Registered: Aug 2004 posted 03-18-2019 09:11 AM                     Hey Jim. I already had my C/O cable disconnected from the back. It doesn't matter anyway. I pulled out the CAT772 and someone took off the C/O jumpers and tried to solder the pins. In the process, they melted the board a bit. I just took a board from an old CP 650 that was laying around for parts.  |  IP: Logged Jim Cassedy Phenomenal Film Handler Posts: 1661 From: San Francisco, CA Registered: Dec 2006 posted 03-18-2019 09:53 AM                     Yes, Sean, you're absolutely right. I must have been suffering from momentary mental dyslexia when I was typing that, and got P1 & P2 mixed up. The shorting plug that comes with the unit would force P1 on the 650 for single projector (platter) operation. . . and a quick check of the manual confirms this:  |  IP: Logged

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