Marquette Hellige GmbH MicroSmart V 2.xx Page 5
Servicing Instructions 227 470 35 B - 97.12
303 xxx yy Spare part numbers for PCBs tested especially thoroughly
303 numbers are only given to PCBs where the level of testing applied to 388 PCBs is inadequate
for implementation when servicing in the field, or where only a complete set of PCBs can be
replaced in the field.
In addition to a barcode label (388 number) 303 part Nos also have an additional label with a 303
number and are to be found in the spare parts list under this number.
389 xxx yy Replacement numbers for defective PCBs
Where servicing is required 389 PCBs are available for the replacement of some PCBs. When using
a replacement PCB (389 part No) the defective PCB is to be returned to the Freiburg factory.
Replacement PCB part Nos are included in the spare parts list.
389 PCBs have an additional adhesive label.
1.3 Instrument status documentation (nominal status)
Due to the hardware and software combination unambiguous documentation of the instrument
assembly status is necessary, also in the event of repairs.
This documentation comprises the following documents and measures:
Master Record Index (MRI)
This document is a component of this instrument documentation.
This document states the combination of permissible hardware and software for a particular
instrument version. The permissible PCB Index is given in the “Index” column with each update
delivered. Further permissible PCB Indexes are given in the “compatible” column. The PCB Index
can be found in the PCB barcode label.
Product Status Index
This document is created during manufacture. The Product Status Index documents the
hardware/software product status.
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