Fuse Replacement; Line Voltage Selection; Table 5.2 Fuse Replacement - ILX Lightwave MPS-8033 Series User Manual

Precision fiber optic sources

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M A I N T E N A N C E

C H A P T E R

Calibration Overview

Second method: this procedure requires some disassembly of the 8033 and should be

performed with caution.

Make sure that the instrument is off and unplugged before beginning this procedure.

Fuse Replacement

For continued protection, replace fuse with only same type and rating.

The fuse is accessible from the back panel of the 8033. Before replacing the fuse, turn power off

and disconnect the line cord. Use only the fuses indicated below in Table 5.2.

Line Voltage

100−120 VAC

220−240 VAC

Line voltage selection requires opening the case and exposure to potentially lethal voltages. These

procedures are to be performed by qualified personnel only. Consult the factory for service

information.

MPS-8033

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Lay the instrument on its side, remove the two screws securing the bottom panel and

remove the panel. The optical fiber is in a coil beneath the printed circuit board.

Remove the two screws securing the connector bezel to the front panel, and pull the

connector assembly away from the front panel about one inch (2.5cm).

Remove the bulkhead connector from the FC connectorized fiber.

Dampen a small cotton swab with methanol. Gently and carefully wipe the side of the

swab across the fiber.

Rotate the swab slightly in order to use a fresh surface on the next wipe and continue until

clean.

Insert the fiber into the bulkhead connector.

Reattach the connector assembly to the front panel. Inspect the routing of the optical

cable located at the bottom of the unit. The fiber must not be kinked in any way, or power

stability will suffer. Dress the cable as necessary to make sure that all bends are gradual.

Replace the bottom cover and secure with the two screws.

Fuse Replacement

0.5 Amp, 3AG, Slo Blo, 250 VAC

0.25 Amp, 3AG, Slo Blo, 250 VAC

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