3.
Remove the six Phillips screws securing the service panel on the rear of the li-
brary. Refer to Figure 8-1. Care must be taken to not remove the four screws se-
curing the heatsink panels.
Phillips Screws (6)
Do not remove
these screws
Do not remove
these screws
Location of Part Number
on Executive PCBA
Figure 8-1 Rear Service Panel and PCBA Part Number Location
4.
Refer to Table 8-2 for a list of the Executive PCBA board names, part numbers
and corresponding firmware part numbers The Executive PCBAs type can be de-
termined by reading the part number printed on the circuit board. For example,
a board with a PCBA NO. 501387- printed on it is an Executive III board.
Board Name Board Part Number Firmware P/N
Executive I
500657-01-0
700099
Executive III
501387-01-3
700105
Executive IV
501447-01-5
700115
Table 8-2 Executive PCBA Identification
5.
The current Executive firmware part number and revision can be determined by
viewing the Display Revision status screen under the Maintenance menu. Follow
the steps in Table 8-3.
8-2 Firmware
Updating
501380 Rev. B