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In case two of LED's do not emit
light, failure and malfunctioning
may be considered. Replace in the
following procedure. When removing
surface soils, also use the following
procedure.
● Turn the power off.
● By referring to 3 , Section 6, demount the PTV from Cabinet DX.
● By referring to 2 , Section 6, remove the Mask from the PTV.
● The Mask has the LED Board. Disconnect the Connectors from both ends of LED Board, remove 2 U
Nuts, take out and replace the LED Board. At this time, pay attention to the direction of the LED Board,
and install it.
● After replacing the LED Board, be sure to perform sighting check according to the test mode of Section
9.
FIG. 16. 1 b
FIG. 16. 1 c
If the light emission from the 2 LED's can not be seen, replace. /
LED BD 838-
13145-02
U NUT (2)
M3, plastic washer used.
REPLACING THE LED BD
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