How To Replace The Rear-Panel Connectors And Chassis - Tektronix TG8000 Service Manual

AG7 module removal and replacement

How to replace the rear-panel connectors and chassis

To replace the rear-panel
connectors
To replace the chassis
3–8
It is usually not necessary to replace the rear-panel connectors or chassis.
However, if a connector or chassis becomes damaged, you can replace it.
Perform the following procedure to replace the rear-panel connector:
1. Use the Removing a module section to remove the AG7 module from the
mainframe. (See page 1-10.)
2. Disconnect these cables:
The cable from J400 at 1+2 connector.
The cable from J410 at 3+4 connector.
The cable from J420 at 5+6 connector.
The cable from J430 at 7+8 connector.
The cable from J440 at SILENCE connector.
The cable from J450 at 48 kHz CLOCK connector.
3. Use a screwdriver with a #2 Phillips tip to remove the four screws securing
the AG7 circuit board to the chassis.
4. Lift the circuit board up and away from chassis, and then place it on a static
free surface.
5. Use the 11 mm nut driver to remove the nut securing the damaged connector
to the chassis. Pull the connector away.
6. Perform steps 2 through 5 in reverse order to replace the connector.
Perform the following procedure to replace the chassis:
1. Perform steps 1 through 4 in To replace the rear-panel connectors. (See
page 3-8.)
2. Use the 11 mm nut driver to remove the nuts from each of the rear-panel
connectors.
3. Set the replacement chassis on a firm, flat, static-free work surface.
4. Apply the rear panel to the chassis, and then install all the connectors to the
chassis.
5. Carefully place the AG7 circuit board in place on the chassis.
6. Use a screwdriver with a #2 Phillips tip to install the four screws securing the
circuit board to the chassis.
7. Reconnect all the cables to the rear-panel connectors.
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