PXL Controller Firmware Upgrade

PXL Controller Firmware Upgrade

1.0 Introduction

PXL controllers do not have flash firmware and so they require a physical chip change. The PXL Firmware Upgrade ship kit comes with a chip extraction tool to assist with the removal and replacement of chips - failure to use the extraction tool properly may permanently damage the chip and/or the socket.

 

IMPORTANT NOTE - You MUST down-power the controller before changing the firmware chip.


2.0Upgrade the EPROM

 

Note: If the PXL controller has an SB-593 connected THIS MUST BE REMOVED before you can change the PXL chips. YOU MUST NOT CHANGE THE CHIP on the SB-593 (satellite board). Down-power the PXL controller before you remove the SB-593.

 

SB-593_Chip

  1. Locate the socket with the chip to be replaced. Notice the rectangular slot in two of the chip corners. These are the slots in which the extraction tool is placed.

PXL Upgrading 1

  1. The extraction tool has a small hook at one end. This is the end that is to be inserted into the extraction slots of the chip socket.

PXL Upgrade 2

  1. It is important to use the extraction tool at the proper angle in order not to damage the chip and socket.

PXL Upgrade 3

 

  1. Insert the hooked end of the extraction tool into one of the extraction slots of the socket until it touches the bottom of the socket.
  2. With slight downward pressure, gently rotate the tool away from the chip until the corner of the chip lifts away from the socket.

PXL Upgrade 4

  1. Repeat step 5 on the opposite extraction slot.

 

Important Note: DO NOT attempt to completely extract the chip from the socket on the first extraction. Lift from one side until the corner is above the socket, then repeat the procedure on the opposite corner. If necessary, repeat the procedure on each side until the chip is completely free of the socket.

 


3.0Changing the PIC

 

PIC

 

Typically you will not be required to change the larger PIC chip as it will most likely already be at v2.11. If the PIC is at a revision less than v2.11 then it will need to be changed. Use the long edge of the chip extraction tool to first loosen the connection at the bottom of the PIC and then use the tool to loosen the top end of the PIC. You should then be able to gently lift the PIC from the socket.


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