ABL77 Service Manual
Chapter 5: Dismantling
Electronics Module
Electronics Module
Introduction
This procedure describes the process for removing the electronics module from the
analyzer. The electronics module consists of the rear panel assembly and the
electronics boards.
CAUTION:
Wear suitable protection gear during this procedure.
WARNING/
CAUTION:
NOTE:
The electronics module may be replaced as a whole unit or to the
component level as described in this section.
NOTE:
NOTE:
When replacing the electronics module, all data files will be lost. As
appropriate, follow instructions in the Operator’s Manual for downloading data
files prior to replacing the electronics module.
NOTE:
The valve board and analog board are a matched set for the Hct and SC
circuits and must be calibrated when either is replaced. This also applies when
replacing the lower module or electronics module, which contains these boards.
Calibration is not required when these boards are only removed and put back into
the same analyzer. Refer to Chapter 4, Test and Calibration Procedures, for
instructions on performing this procedure.
Continued on next page
Rev. F
5-35