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PRESYS
⏐ Instruments
4.0 - Maintenance
4.1 - Indicator Hardware
The Indicator maintenance requires the user to have access to the hardware of
the instrument. The Indicator hardware consists of three main boards: Display Board,
CPU Board and Power Supply Board. The three-board-system is fixed to the aluminum
case by a screw on the right side of the front panel. Loosen this screw and pull the
Indicator front panel in order to remove the instrument from the case.
The Display Board is located in the Indicator front panel. The front panel has four
internal staples in its four corners which keep together CPU and Power Supply Boards.
The CPU and Power Supply Board are fixed by a spacer. Follow the instructions below
to open the set:
i) Remove the screw which fixes the spacer placed near the edge of the CPU and Power
Supply Boards.
ii) Turn the Indicator so that the display is on the opposite side for reading.
iii) Displace carefully the holder at the right top corner of the front panel so that the
Power Supply Board can be loosen.
iv) Move the Power Supply Board to the right and open the boards according to
Figure 16.
Fig. 16 - Indicator hardware
DMY-2030-F / DMY-2030-F Light
Maintenance
Page 25
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