Panasonic PT-VX425N

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 lamp indicator <LAMP> or the warning indicator <WARNING> lit or blinking?
f The lamp cover has not been securely installed.
—
—
—
125
128
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.
38
50
61
—
53, 76
The picture is fuzzy.
f The lens cap is still attached to the lens.
f The lens focus may not have been set correctly.
f The projector may not be at the correct distance from the screen.
f The lens may be dirty.
f The projector may be tilted too much.
23
46
33
20
—
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 RGB cable is damaged.
61
—
—
No sound from the
internal speaker.
f The input terminals may not have been correctly connected.
f The volume may have been set to the minimum level.
f The AV MUTE function may have been turned on.
f When the VARIABLE AUDIO OUT is plugged-in, the projector’s built-in speaker is
not available.
f The MUTE function may have been turned on.
f Is the audio input selection in [AUDIO SETTING] set correctly?
39
49, 81
53, 76
39
54, 81
82
The remote control
does not operate.
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.
f The remote control unit may be out of the operation range.
f Strong light such as uorescent shine onto the signal receptor.
f The [REMOTE CONTROLLER] setting is set to [DISABLE] in [CONTROL DEVICE
SETUP].
f Is the ID number setting operation correct?
f Check if the <ON/OFF> switch on the remote control is set to "ON".
—
29
26
26
26
87
54
25
Menu screen does not
appear.
f Is the on-screen display function turned off (hidden)? 70
The control buttons of the
projector do not operate.
f The [CONTROL PANEL] setting is set to [DISABLE] in [CONTROL DEVICE
SETUP].
87
The picture does not
display 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.
—
141
Picture from a
computer does not
appear.
f The cable may be longer than the optional cable.
f The external video output from a laptop computer may not be correct.
—
—
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?
38, 39
—
141
No sound is output
from a HDMI device.
f Set the sound channel of the attached device to Linear PCM. —
EASY SETTING
function is disabled.
f Turn off and turn on the power of the projector. 83
Attention
f If the problem persists, after conrming the contents of the table, please consult your dealer.
130 - ENGLISH
Chapter 6 Maintenance - Troubleshooting