Extron Electronics System 7SC - Manual (Page 71)

A-7 System 7SC • Reference Material
5. After you are electrically grounded, align the hooks of a PLCC IC puller tool
with the slots located in opposite ends of the firmware chip.
6. Insert the hooks into the slots, and squeeze the tool gently to grasp the chip.
7. Pull the chip straight out of the socket, and set it aside.
8. Align the slots of the new firmware IC chip with the angled corners of the
socket in the same orientation as the old chip.
9. Gently but firmly press the chip into place in the socket.
10. Replace the top cover on the System 7SC switcher, and fasten it with the
screws that were removed in step 3.
11. Rack mount the switcher, and reconnect the AC power cord.