vds 69871-01, Operation & Maintenance Manual

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Marquee ACON Ultra Installation/Operation Guide
A-2 AU User Controls, Settings and Operation
IMPORTANT ! : Many ICs on the Control PCB appear similar. Make sure you properly identify the IC
before replacing it.
IMPORTANT ! : Use a PLCC 20-128 pin extractor when removing U35, DO NOT use a screw driver
to remove ICs.
Step 6. Install the
SWB
: Carefully place the
SWB
back into its original position then secure it
with the three screws.
Step 7.
Reinstall the
CLM
.
a) Slide the
CLM
back into the projector, ensuring that the card edge connectors insert
fully into the sockets on the projector's backplane motherboard. Tighten the securing
screws to secure the module.
b) Plug in the projector. The amber LED on the back panel should be lighted. If it is not,
unplug the projector then check the installation of U35. Make sure it is fully inserted
and in the correct socket. Also, check for bent socket pins. Make sure that no pins
are shorted and that all pins make proper contact.
c) If the amber LED lights after the projector is plugged in, press [ POWER ] to turn the
projector on. The green LED labeled POWER should be on and the projector should
automatically begin a Complete Projector Initialization. If the projector does not
initialize, force an initialization by selecting Projector Initialization >
Reset
Everything
- from presentation level, press [ UTIL ] [ 9 ] < Service Password > [ 4 ] [ 3 ]
[ ◄ ] [ ENTER ].
IMPORTANT ! : If after power-up the display appears too dark, the contrast level may be set too low
for the current room lighting; increase the contrast level.