Servicing the Attenuator/Switch Driver
Maintenance and Adjustments
Maintenance and Adjustments
Fuse Removal/Replacement
User maintenance is limited to replacement of the rear panel fuse. The
main ac line fuse is located on the rear panel in the line power module.
Use the following procedure to remove the fuse. Refer to Figure 3-2.
1. Remove the line power cable from its jack.
2. Open the cover door of the line power module.
3. Push the fuse-pull lever to the left and remove the fuse.
4. Replace the fuse with one of the correct rating and type for your
Be sure to select the correct fuse rating for the selected line voltage. Do
WARNING
not use repaired fuses or short circuited fuse-holders. To do so could
cause a shock or fire hazard.
Adjustments
The 11713A attenuator/switch driver has no internal electrical or
mechanical adjustments.
8-4 11713A Operating and Service Manual
selected input ac line voltage. Fuse ratings for line voltages are
indicated below the power module.