Product data

Clarity Visual Systems
September 1997
36
Normal Power-Up
Sequence
Sequence Note Failure Symptoms At This Part Of
The Sequence
diagram, replace the Power Supply
Module.
• Replace the Electronics Module
STBY LED comes on and then goes out
and stays out
• Cover the IR window on the
Electronics Module with a piece
of opaque tape to determine if the
problem is due to too many stray
IR signals
• Replace the Electronics Module
4. VideoWall is in the standby
state waiting for an ON
command
STBY LED stays on solid
LAMP and FAN LEDs are off
If Auto On is enabled in the Misc
Control menu, the VideoWall will
attempt to turn on automatically
5. When the VideoWall receives
an ON command the fans turn
on and the lamp ignites
Buzzer will beep once
FAN and LAMP LEDs light
STBY LED goes off
The time that it takes for the lamp
to fire is 2 seconds times the
Monitor ID Unit setting on the rear
connector panel
Electronics go back into standby-delay
mode (fans will run and the FAN LED will
stay on while in this standby-delay mode)
• Verify that the interlock switches are
fully closing
• Check the thermal switch
The lamp doesn’t fire
• Verify that the lamp power connector
is plugged in
• Replace the lamp.
• Replace the Power Supply Module
All 3 LEDs are on
• Press the POWER button on the
connector panel, press the ON
button on the remote or cycle
power to the VideoWall
6. The electronics turn on the
LCD and start sending data to
it
If there is video present on the
selected source (see Source Select
in menu), the video image will be
displayed.
If there is no video present, the
message “VIDEO ABSENT” will
be displayed. Menus can be
accessed and settings saved and
changed.
Menu can be selected, but no video is
present
• Make sure that the right source is
selected in the menu
• Verify that the Curtain option in the
menu is not on
• Check the video cable connections
• Replace the Electronics Module
No menu or video can be displayed
• Re
p
lace the remote batteries and/or