Service manual

LUMISCAN ACR-2000 SERVICE MANUAL - SECTION 8.0 REPLACEMENT PARTS
8 - 1
8.0 INTRODUCTION
This section discusses the various components of the LUMISCAN ACR-2000 READER digitizer that
can be replaced in the field. It also details the removal of the LUMISCAN ACR-2000 READER covers,
along with component removal and replacement. Components which can be replaced in the field are called
field replaceable units, or FRUs. These will be discussed later in this section.
8.1 Removing the LUMISCAN ACR-2000 READER Covers
This section reviews the removal of the LUMISCAN ACR-2000 READER outer panels. There are two
individual panels on the LUMISCAN ACR-2000 READER, and for the purposes of this manual they are
labeled Front cover and Main enclosure.
8.1.1 Main Enclosure Removal
The Main enclosure is the rear cover of the system. To remove the Main enclosure perform the
following:
1. Remove the system interface cable and the A/C power cable.
2. Remove the 3 phillips screws from the rear of the system.
3. Remove the 3 phillips screws from each side of the system. Total of 6.
4. Remove the main enclosure by sliding it to the rear of the system and off.
8.1.2 Front Cover Removal
1. Remove the 4 phillips screws (2 on each side) from the front cover.
2. Remove the three screws attaching the front of the enclosure to the interior alignment
bar.
3. Disconnect the two cables coming from the front going to the DACQ PCA.
4. Remove the front cover.
8.2 Field Replaceable Units (FRUs)
Overview
This section discusses the sub-systems and components in the ACR-2000 READER that can be replaced in
the field. These are called Field Replaceable Units or FRUs. Certain FRUs may require some adjustments
when they are replaced. The following chart details all of the FRUs in the READER that have adjustment
requirements when they are replaced. All adjustments are contained in Section 5 of the Service Manual.