DVG7 module removal and replacement
How to replace the rear-panel connectors and chassis
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.
To re place the rear-panel
connectors
Perform the following procedure to replace the rear-panel connector:
1. Use the Modu
le installation and removal section to remove the DVG7 module
fromthemainframe. (Seepage1-10.)
2. Disconnec
t the cables at P500 (SIGNAL 1) and P502 (SIGNAL 2) on the
DVG7 circuit board. If Option BK is installed, also disconnect the cables at
J800 (BLACK 1) and J802 (BLACK 2).
3. Use the 9/16 inch or 14 mm nut driver to remove the nut securing the damaged
connector to the chassis. Pull the connector away.
4. Perform steps 2 and 3 in reverse order to replace the connector.
To replace the chassis
Perform the following procedure to replace the chassis:
1. Use the 9/16 inch or 14 mm nut driver to remove the nuts from each of the
rear-panel connectors.
2. Use a screwdriver with a #2 Phillips tip to remove the six screws securing the
DVG7 circuit board to the chassis.
3. Lift the circuit board up and away from chassis, and then place it on a static
free surface.
4. If Option BK is installed, skip this step:
a. Use a screwdriver with a #2 Phillips tip to remove the two screws securing
the r ear panel to the chass is.
5. Set the replacement chassis on a firm, flat, static-free work surface.
6. If Option BK is installed, skip this step:
a. Use a screwdriver with a #2 Phillips tip to install the two screws securing
the r ear panel to the chass is.
7. Use a screwdriver with a #2 Phillips tip to install the six screws securing the
circuit board to the chassis.
TG8000 Multiformat Test Signal Generator Service Manual 9–17
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