Troubleshooting - Panasonic PT-TW381R Operating Instructions Manual

Troubleshooting

Please check following points. For details, see the corresponding pages.
Problem
f The power cord may not be connected.
f No electric supply is at the wall outlet.
f The circuit breakers have tripped.
Power does not turn on.
f Is the warning indicator <WARNING > lit or blinking?
f The lamp cover has not been securely installed.
f The video signal input source may not be connected to a terminal properly.
f The input selection setting may not be correct.
No picture appears. f The [BRIGHTNESS] adjustment setting may be at the minimum setting.
f The input source which is connected to the projector may have a problem.
f The AV mute function may be in use.
f The lens focus may not have been set correctly.
f The lens may be dirty.
The picture is fuzzy.
f Is the relative position between the projector and the screen set properly?
f [COLOR] or [TINT] adjustment may be incorrect.
The color is pale or
f The input source which is connected to the projector may not be adjusted correctly.
grayish.
f The RGB signal cable is damaged.
f The external device may not be connected correctly to the audio input terminal.
f The volume may have been set to the minimum level.
f The AV mute function may have been turned on.
No sound from the
f The Mute function may have been enabled.
internal speaker.
f When the VARIABLE AUDIO OUT is plugged-in, the projector's built-in speaker is not
f Is the audio input selection in [AUDIO SETTING] set correctly?
f The batteries may be weak.
f The batteries may not have been inserted correctly.
f The remote control signal receptor on the projector may be obstructed.
The remote control does
f The remote control unit may be out of the operation range.
not operate.
f Strong light such as fluorescent shine onto the signal receptor.
f The [REMOTE CONTROLLER] setting is set to [DISABLE] in [CONTROL DEVICE
f When different codes are set on the projector and on the remote control.
The control buttons of
the projector do not
f The [CONTROL PANEL] setting is set to [DISABLE] in [CONTROL DEVICE SETUP].
operate.
f Is the [TV-SYSTEM], [RGB/YC
f There may be a problem with the VCR or other signal source.
The picture does not
display correctly.
f A signal which is not compatible with the projector is being input.
f Is the setting of the computer output correct?
f Is the cable too long? (For D-Sub cables, the cable length should be 10 m (32'10") or
Picture from a computer
f Is the external video output on the laptop computer set correctly? (Ex.: The external output
does not appear.
f Is the HDMI cable securely connected?
Picture from a HDMI
f Turn off the power of the projector and the connected devices. Then turn the power of the
device does not appear
or picture is not stable.
f Isn't unsupported signal cable connected?
f Set the sound channel of the attached device to Linear PCM.
No sound is output from
a HDMI device.
f Is the audio input selection in [AUDIO SETTING] set correctly?
Attention
f If the problem persists, after confirming the contents of the table, please consult your dealer.
118 - ENGLISH
Chapter 6 Maintenance - Troubleshooting
available.
SETUP].
shorter.)
settings may be switched by pressing the "Fn" + "F3" or "Fn" + "F10" simultaneously. Since
the method varies depending on the computer type, refer to the user manual provided with
your computer.)
projector and the connected devices back on.
Cause
C ]/[RGB/YP P ] selection set correctly?
B R B R
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