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Old 10-21-2018, 04:23 PM   #4
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Join Date: Sep 2014
Location: St. John's, NL, Canada
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Originally Posted by astrogeorge View Post
Thanks for ypur reply, contacted GV support who tell me they no longer support the ADVC 3000 as it's reached end of life. Was looking to see if anyone knew anybody else that could do repairs
I spent 14 years as an electronics bench technician and have replaced several of these kind of firewire IC's and fuses (often called link IC's) in Sony camcorders.

You would need to find a good electronics technician that can hopefully get creative in finding the replacement parts, as they may be out of production now or in limited supply, but I can tell you from experience, without any service information, schematic diagrams, parts lists, or at the very least a detailed IC specification sheet, it is difficult for the electronics technician to do a thorough job and ensure that he/she checks all the related components for damage or failure and gets the exact replacement part and/or applies any service bulletins to prevent future problems.

While link IC's are easy to test, without that service information, it may be difficult to determine if the firewire IC is working or not, as there may be no way of knowing what voltage or signal should be seen on any given leg of the IC when it is working correctly, and tracing circuits without the schematic can sometimes be difficult, depending on how good the circuit board layout is.

Finding said Electronics Technician, however, may be difficult as the days of repairing most electronics disappeared about 10 to 15 years ago as manufacturers started moving to a factory service only or a repair by replacement model, which is part of the reason that I am no longer working in that field. I don't even have a lot of the test equipment any more.

Hopefully you can find someone in your area that can help you out.
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