AWVG7 module removal and replacement
How to replace the rear-panel connectors and chassis
It is usually not necessary to replace the r ear-panel connectors or chassis.
However, if a connector or chassis becomes damaged, you can replace it.
To replace 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 AWVG7
module from the mainframe. (See page 1-10.)
2. Disconnec
t the cables at J830A (upper CH 1), J830B (lower CH 1), J730A
(upper CH 2), J730B (lower CH 2), J630A (upper CH 3), and J630B (lower
CH 3) on the AWVG7 module circuit board.
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 re place 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 five screws securing
the AWVG7 module circuit board to the chassis.
3. Lift the circuit board up and away from the chassis, and then place it on
a static free surface.
4. Set the replaceme nt chassis on a firm, flat, static-free work surface.
5. Carefully place the circuit board in place on the chassis.
6. Use a screwdriver with a #2 Phillips tip to install the five screws securing the
circuit board to the chassis.
7. Apply the rear panel to the chassis, and then install all the rear-panel
connectors to the chassis.
7–18 TG8000 Multiformat Test Signal Generator Service Manual
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