Axm-cp (/pb) and axd-cp (/pb) eprom replacement – AMX 8.5" Color Passive LCD Touch Panels User Manual
Page 46
Upgrading the Firmware
42
Color Passive-Matrix LCD Touch Panels
8.
Using the new EPROMs, match up the socket holes to their respective prong and the notches to
the correct direction for both the new Odd and Even chips.
9.
Insert all the prongs simultaneously until each is firmly resting in its socket hole and the entire
chip is securely connected to its base.
10. Rotate the circuit card back to the original position and place it in the touch panel housing.
11. Plug the 2-pin power or AXlink connector back into the touch panel for approximately
1 minute. Once you can confirm the panel is receiving power, remove the connector, align the
screw hole and insert the Phillips-head screw and tighten.
12. Replace the bottom panel and align the screw holes. Insert the seven Phillips-head screws and
tighten.
13. Plug all connectors back into the touch panel.
AXM-CP (/PB) and AXD-CP (/PB) EPROM Replacement
If the unit is already mounted to a surface, remove it at this time. Refer to the Installation section on
page 3 for more information.
1.
Discharge the static electricity from your body by touching a grounded object.
2.
Remove the 2-pin power connector from the rear side of the panel. If you are using power via
AXlink, remove the AXlink connector.
3.
Flip the touch panel face down onto a soft cloth, and remove the seven Phillips-head screws
from the bottom panel. Then, gently remove the housing.
4.
Remove the Phillips-head screw located in the center of the circuit card.
5.
Gently tilt the circuit card down towards the connector side and pull backwards until you clear
the connector housing. Then, slowly rotate the circuit card backwards until you can lay it down
flat with the EPROMs exposed as seen in FIG. 17. EPROMS have stickers that indicating the
firmware version.
6.
Carefully remove each EPROM by inserting a Phillips screwdriver with a non-conducting flat-
blade between the EPROM and the connection site (at the notch side).
FIG. 17 EPROM location on a mounted touch panel
1 1
JP2JP1JP3
1
ODD
32-pin sockets
EPROM Odd
and Even
E
VEN