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9. Basic board
a) The basic board evaluates and saves all the measurement values and software as well as
controlling the standard electronics. Light diodes can be found on the underside side of the board,
which provides the display for the LED machines. The board is secured to an aluminium plate on
one side and a keypad on the other. On the monitor machine, the basic board is located on the
rear wall of the cabinet to the right side of the PC printed board assembly.
b) To exchange, unplug all leads, remove the board and replace returning the leads to the same
positions.
c) After exchanging a basic board, all measurement values data is lost and so it is important that a
zero run and calibration are carried out.
Generally, the basic board is already flashed with the most up to date software before leaving the
factory, which is why it is very important to note the type and serial number of the machine before
ordering a new board.
d) There are two jumpers plugged into the pins of the connector J12 for the outside gauge as
seen in the photo above, displaying the positions (1-2 and 5-6) they should be in on all machines
except BM 40-2, BM 45 Touch and QuickSpan chrome. From BM40-2 upwards this plug is used
for the outside arm and so the jumpers would have to be removed!
sensor
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