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Author Topic: CP500 - no output - bad Cat. 684 Ken Lackner Phenomenal Film Handler Posts: 1907 From: Atlanta, GA, USA Registered: Sep 2001 posted 01-04-2019 01:36 PM                     I had a CP500 lose all output in all formats. No bouncing signal bars, either. Replacing the 684 board fixed the issue. This to me is somewhat strange (although not the least bit inconceivable) because every time I've had one of these boards go bad, either the processor wouldn't boot or there would be error messages. Anyone know if this can be field repaired?  |  IP: Logged Richard Bond Film Handler Posts: 3 From: Brisbane, QLD, Australia Registered: Jan 2011 posted 04-10-2019 04:36 AM                     Hi, I have had many of these fail, typically causing the serial comms to fail in my case. These failures are often due to the pcb mounted super cap/ battery leaking and damaging the nearby pcb traces. Where the damage was not too bad I have been able to repair the traces.  |  IP: Logged Mark Gulbrandsen Resident Trollmaster Posts: 16657 From: Music City Registered: Jun 99 posted 04-10-2019 08:41 AM                     Yes, I have had that exact same thing in a couple CP-500's at the same site... Units were the same age. The old days of the silver oxide memory batteries that would leak. Seen it happen Hewlett Packard test equipment as well. Mark  |  IP: Logged Mark Gulbrandsen Resident Trollmaster Posts: 16657 From: Music City Registered: Jun 99 posted 04-10-2019 05:13 PM                     You will see the same battery leakage on the control board of Panastereo CSP-1200's Mark  |  IP: Logged

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