Repairing 7000-series plug-in sockets: Difference between revisions

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==Replacing the connectors with modern equivalents==
==Replacing the connectors with modern equivalents==


While the original connectors are custom parts and no direct modern replacement is known to be available, it is possible to remove the old connector and replace it with a standard card-edge connector.
While the original connectors are custom parts and no direct modern replacement is known to be available, it is possible to remove the old connector and replace it with a standard 76-pin, 0.1" pitch card-edge connector.
(NB: This procedure has bot been tested with 79xx high-speed instruments, and will quite likely cause unacceptable reflections in a [[7104]], which uses special controlled-impedance sockets.)
(NB: This procedure has not yet been tested with 79xx high-speed instruments, and will quite likely cause unacceptable reflections in a [[7104]], which uses special controlled-impedance sockets.)


To extract the old connector, remove the thin plastic side covers, then de-solder the contact fingers individually.  Pliers, a vacuum soldering gun, and applying extra flux are recommended.
To extract the old connector, remove the thin plastic side covers, then de-solder the contact fingers individually.  Pliers, a vacuum soldering gun, and applying extra flux are recommended.