Pro-face PL-DU6900, Руководство пользователя

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Chapter 5 - Maintenance
5-8 PL-DU6900/PL-DU7900 User Manual
• Be sure to always change
both DU backlights at the
same time.
• Be sure that the backlight’s
power cord connector is in-
serted completely into the
board’s receptacle. If not, the
DU may be damaged.
10)
Remove each backlight unit.
11)
Insert each new backlight.
12)
After installing both new
backlights using steps 9) to
11), replace and tighten all
backlight and LCD panel
attachment screws (total of 4
screws). Then, re-connect
both board power connectors.
13)
Reattach the rear cover, being
careful not to pinch any
internal electrical wires.
14)
Replace and tighten the DU’s
four chassis attachment
screws.