Zeiss humphrey HFA II-i series, Field Service Manual

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ÚÚÚ
PROPRIETARY and CONFIDENTIAL
ÚÚÚ
SERVICE
BULLETIN
Instrument:
Humphrey Field Analyzer II-i No.: FA2i-036
Subject: New Motor Driver Board (P/N 61190) Date: 25 Oct 06
Status:
Informational Pages: 1
General Information
This service bulletin describes the release of a new motor driver board. The new motor driver
board (MDB) can only be installed in the HFA II-i.
Various integrated circuits used on the existing MDB, are no longer manufactured.
The new MDB, P/N 61190, is a replacement for the existing MDB P/N 48530-3. Refer to “Motor
Driver Board Compatibility” below.
Motor Driver Board Compatibility
Please observe the following when ordering or replacing P/N 61190:
1) After installing P/N 61190, ensure that system application software revision 4.1 or greater is
installed. The new MDB will not operate without revision 4.1 or greater software. Review
Service Bulletin FA2i-005i for software compatibility issues.
2) The new MDB (P/N 61190) can directly replace the existing MDB (P/N 48530-3), but only
used in combination with 4.1 or greater application software.
3) The existing MDB (P/N 48530-3) can be used to replace the new MDB (P/N 61190), and will
work with any HFA II-i application software revisions that are compatible with the system.
Post Replacement Follow up
After installing P/N 61190, ensure that you follow the steps outlined in Table 3.1 of the service
manual.