Panasonic PT-TW380

118 - ENGLISH
Troubleshooting
Please check following points. For details, see the corresponding pages.
Problem Cause
Reference
page
Power does not turn on.
f The power cord may not be connected.
f No electric supply is at the wall outlet.
f The circuit breakers have tripped.
f Is the warning indicator <WARNING > indicator lit or blinking?
f The lamp cover has not been securely installed.
—
—
—
112
114
No picture appears.
f The video signal input source may not be connected to a terminal properly.
f The input selection setting may not be correct.
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.
31 - 33
40
53
—
43
The picture is fuzzy.
f The lens focus may not have been set correctly.
f The lens may be dirty.
f Is the relative position between the projector and the screen set properly?
41
19
—
The color is pale or
grayish.
f [COLOR] or [TINT] adjustment may be incorrect.
f The input source which is connected to the projector may not be adjusted correctly.
f The RGB signal cable is damaged.
53
—
—
No sound from the
internal speaker.
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.
f The Mute function may have been enabled.
f When the VARIABLE AUDIO OUT is plugged-in, the projector's built-in speaker is not available.
f Is the audio input selection in [AUDIO SETTING] set correctly?
31 - 33
43, 75
43
43, 76
32 - 33
76
The remote control does
not operate.
f The batteries may be weak.
f The batteries may not have been inserted correctly.
—
26
f The remote control signal receptor on the projector may be obstructed. 23
f The remote control unit may be out of the operation range. 23
f Strong light such as uorescent shine onto the signal receptor. 23
f The [REMOTE CONTROLLER] setting is set to [DISABLE] in [CONTROL DEVICE SETUP].
80
f When different codes are set on the projector and on the remote control. 46, 71
The control buttons of the
projector do not operate.
f The [CONTROL PANEL] setting is set to [DISABLE] in [CONTROL DEVICE SETUP]. 80
The picture does not
display correctly.
f Is the [TV-SYSTEM], [RGB/YC
B
C
R
]/[RGB/YP
B
P
R
] selection set correctly?
f There may be a problem with the VCR or other signal source.
f A signal which is not compatible with the projector is being input.
f Is the setting of the computer output correct?
56
—
129
—
Picture from a computer
does not appear.
f Is the cable too long? (For D-Sub cables, the cable length should be 10 m (32'10") or shorter.)
f Is the external video output on the laptop computer set correctly? (Ex.: The external output
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.)
—
—
Picture from a HDMI
device does not appear or
picture is not stable.
f Is the HDMI cable securely connected?
f Turn off the power of the projector and the connected devices. Then turn the power of the
projector and the connected devices back on.
f Isn't unsupported signal cable connected?
32
—
129
No sound is output from a
HDMI device.
f Set the sound channel of the attached device to Linear PCM.
f Is the audio input selection in [AUDIO SETTING] set correctly?
—
76
Attention
f If the problem persists, after conrming the contents of the table, please consult your dealer.
Chapter 6 Maintenance - Troubleshooting