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Switching power supply
1)
As with the procedure for detaching the optical unit, disconnect the connectors between
the preamplifier relay board and the main circuit board, and disconnect the connectors
(at the power board for the optical system) for the thermostatic cap and mercury lamp.
2)
Remove the Teflon joint of the cell.
3)
Remove the 10 screws from the upper plate on which the optical unit is installed, and
remove the plate.
4)
Remove the 4 screws on the back, and remove the back plate.