89
Before asking for service, check the following points.
Power does
not turn on.
No picture
appears.
Color is misaligned
when special signals
are input.
The contrast and
brightness of the
picture cannot be
adjusted
• Is the power turned on at the
power point?
• Is the power cord disconnected
from the power point?
• Is the MAIN POWER switch
turned to OFF?
• Is the REMOTE IN 1 connector
being used for external control?
•
Is the ID number setting correct?
• Is the picture transmission cable
disconnected?
• Is the signal source connected
to the projector operating
normally?
• Has the picture mute function
been turned on?
• Does the video signal format
match the input signal format?
• Is Y/C signal selected for
composite input, or vice versa?
• Has the input source been
changed to a new type of signal
which is not registered?
• Does the video signal format
match the input signal format?
• Is the REMOTE IN 1 connector
being used for external control?
On-screen
displays do
not appear.
The remote
control unit
does not
work.
LAN
connection to
the unit is
impossible
Connection
was denied
during LAN
connection to
the unit
• Has the ON SCREEN button
been pressed to turn off the
displays?
• Have the batteries been
inserted with the correct
polarity?
• Is something obstructing the
path between the remote control
unit and the remote control
signal receptor of the projector?
• Is the remote control being used
outside the effective range?
• Is the REMOTE IN 1 connector
being used for external control?
• Is a remote control cable being
connected to the REMOTE IN 2
connector ? (in the wireless
mode)
• Is the LAN cable connected
correctly?
• Are the unit’s IP address, net
mask and gateway address
settings compatible with the
connected network?
• Is the web browser URL or IP
address designation correct?
• Are the user name and
password correct?
Symptom Check the following Symptom Check the following
•Explanation about the DMDTM devices
The DMDTM devices are produced using high-precision technology (Three sheets of approximately
780,000 pixels (for PT-D9510U)/1,310,000 pixels (for PT-D9610U)are used for the projector.), but
there might be extremely small chipped or brighter points of the picture on the screen.
NOTE