Panasonic PT-VW431DEA Operating Instructions Manual page 84

Troubleshooting
Problem
Picture from a
computer does not
appear.
Picture from a HDMI
device does not
appear or picture is
not stable.
No sound is output
from a HDMI device.
The image is
distorted or runs off.
The exclamation
mark appears on
the screen.
No picture or sound
is output from
DIGITAL LINK input.
[Service]
appears in the top
left of the screen.
Note
If the problem persists, after confirming the contents of the table, please consult your dealer.
z
84
- ENGLISH
The cable may be longer than the optional cable.
z
The external video output from a laptop computer may not be correct.
z
Is the HDMI cable securely connected?
z
Turn off the power of the projector and the connected devices. Then turn
z
the power of the projector and the connected devices back on.
Isn't unsupported signal cable connected?
z
Set the sound channel of the attached device to Linear PCM.
z
If no audio signal is output during HDMI cable connection, connect the
z
audio cable to COMPUTER AUDIO IN 2 terminal and set to "Computer 2"
in "Sound" of "Setting" menu.
Check [PC adj.] or [Screen] and adjust them.
z
Your operation is invalid. Operate correctly.
z
Is the cables securely connected between the Twisted pair cable
z
Extender and the image (output) devices or between the Twisted pair
cable Extender and the projector?
Connect correctly.
Confirm the [DIGITAL LINK mode] is set to [Auto] or [DIGITAL LINK]
z
other than [Ethernet].
Detected abnormal state inside the projector. Unplug the power cord and
z
contact your dealer for maintenance. Be sure to unplug the power cord,
or it may cause electric shock or fire.
Cause
Reference
page
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24
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92-95
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53
41, 47
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60
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