Figure 4-1. Side internal view of Type 1531 stroboscope with etched
board swung open.
Do not take off the reflector cover to replace the lamp. Make certain
the replacement lamp is fully seated in the lamp socket.
4.4.6 REMOVAL OF INSTRUMENT FROM CASE.
To remove the instrument from the case, open the case and place
the instrument with the panel in a vertical position. Make certain to un-
plug the power connector before starting the next step. Remove the four
screws from the side of the case opposite the panel and pull the instru-
ment forward. For access to the parts located on the panel, remove
the screw directly under the INPUT jack, and pivot the etched board
containing the power transformer away from the panel (see Figure 4-l).
Avoid damage to parts, do not allow the etched board to swing free.
4.4.7 REFLACEMENT OF FUSE.
To replace the fuse, first remove the instrument from the case
(refer to paragraph 4.4.6). The fuse is located near the front of the