Uninsulated terminals with AC mains potential are exposed when the front panel is removed. Do not proceed until AC Mains has been disconnected.

Do not attempt to access the Main Board while the amplifier is running. Turn the amplifier off and disconnect the AC Mains before removing the amplifier front panel.

After turning the amplifier off, let the unit sit for 3-5 minutes before removing the access panel. This will allow the electrical charge in the power supply capacitors to discharge.

This document assumes competence on the part of the reader in terms of amplifier systems, electronic components, and good electronic safety and working practices.

Safety First

Throughout this document, special emphasis is placed on good safety practices. The safety graphics provided here are used to highlight certain topics which require extra precaution.

Summary

These instructions describe the process for removing and replacing the front panel on a 7548, 7794, 7796, 2110 or 2120 amplifier.

Tools Required

1/8-inch Hex T-handle driver

Procedure

1. Use the 1/8-inch Hex driver to remove the four (4) button-head screws from the amplifier front, as shown.
2. Pull the cover straight toward you to remove.
3. To replace the front panel, position the panel in place on the front of the amplifier, and then secure in place using the four button-head screws..

Figure 1: Front panel screw locations on 7796 amplifier