Firmware Upgrade Procedure Matrix Switchers CrossPoint Plus, CrossPoint, MAV, Matrix 50 68-353-06 Rev.
Firmware Upgrade Procedure, cont’d Firmware Upgrade Procedure This procedure details how to replace a CrossPoint Plus, CrossPoint, MAV, or Matrix 50 firmware IC chip without disconnecting all of the input and output connections. The IC that contains the firmware for the matrix switcher also contains the memory in which presets and audio levels are saved. When you replace the IC, these settings will be lost. You may want to record the presets and audio levels before you replace the IC.
Remove the front panel Before you can replace the firmware IC, you must remove the matrix switcher’s front panel as follows: Power must be disconnected the cord from the switcher. 1. If the switcher has screws on its top and bottom, remove the two top and bottom screws (four screws total) on the front of the switcher (figure 1).
Firmware Upgrade Procedure, cont’d 3. Note the key (angled corner) of the replacement firmware IC and the dot on the underside that indicates pin 1 (figure 3). Orient the IC to match the key and pin 1 (indicated by arrow) on the socket. While you support the front panel from the bottom, carefully press the IC in place. Key Pin 1 mark Pin 1 mark Key Socket IC Figure 3 — Key and pin 1 mark Reinstall the Front Panel and Initialize the Switcher 4 1.
