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SOFTWARE UPDATE PROCEDURE (continued)
7.4
ECC (Serial Interface) Module Firmware Replacement
The firmware chip in the ECC module is located on the lower circuit board and
is designated U2. See Figure 7-3. Access to the chip requires removal of the
ECC module from the monitor housing, and removal of the module cover plate.
Parts Required:
7.4.1 Set the System Power switch to STANDBY and remove AC power from
the machine.
CAUTION:
7.4.2 Disable the three circuit breakers on the primary power supply by
pulling out each button with a knife or sharp object.
7.4.3 Disconnect any cables connected to the serial interface ports on the
back of the machine. Open the back cover of the monitor housing and
remove the ECC module as outlined in Section 4.
7.4.4 Remove the four screws holding the cover plate to the module, and
remove the cover plate.
7.4.5 Carefully remove the firmware chip from the circuit board.
7.4.6 Insert the replacement firmware chip into the socket. Be sure that the
chip is oriented as shown in the illustration.
7.4.7 Reinstall the cover plate, and reinstall the ECC module in the back
cover of the monitor housing.
7.4.8 Reset the circuit breakers on the primary power supply.
7.4.9 Restore power to the machine and turn the System Power Switch to
ON.
7.4.10 Access the Service Data Screen (Ref. Section 2.3) and observe the
software version number that appears on the screen. Verify that it
matches the label on the replacement firmware chip.
7.4.11 Turn the System Power switch to STANDBY.
7.4.12 Perform the PMS Procedure given in Section 6.
RETURN TO THIS MANUAL'S TABLE OF CONTENTS
RETURN TO CD-ROM TABLE OF CONTENTS
Firmware - Serial IF
Use ESD protection when servicing any of the assemblies
inside the monitor housing.
7-8
NM3
Ver x.xx 4109620
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Troubleshooting
