Issue 4.0 19/09/03 SIMRAD
35
Technical Note
FOR THE ATTENTION OF THE SERVICE MANAGER
NUMBER : PS 139
PRODUCT : Tillerpilot – TP100 / TP200CX /
TP300C / TP300CX / TP10 / TP20 /
TP30
SUBJECT : Identification of Variants
DATE : 1 October 1999
There are a number of variants of Tillerpilots currently in use which, though
similar in appearance, are built and operate differently. Positive identification is
therefore essential when ordering spare parts to ensure that the correct item is
dispatched.
The main aids to identification are:
1. Lack of a Hall Effect PCB indicates Back emf, earliest, version.
2. Hall Effect PCB with microprocessor mounted in socket indicates
intermediate version.
3. Hall Effect PCB with surface mount microprocessor indicates
latest version.
A table of variants identified by serial number and drawings, General Assembly,
PCB Assembly and Circuit Diagram, to aid identification of the different PCBs, is
given below:
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