Panasonic PT-MZ670

Chapter 6 Maintenance — Troubleshooting
202 - ENGLISH
Troubleshooting
Review the following points. For details, see the corresponding pages.
Problems Points to be checked Page
Power does not turn on.
f Is the power plug rmly inserted into the outlet? ―
f Is the <MAIN POWER> switch set to <OFF>? 65
f Is the wall outlet supplying electricity? ―
f Have the circuit breakers tripped? ―
f Is the light source indicator <LIGHT> blinking? 196
f Is the temperature indicator <TEMP> lit or blinking? 197
No image appears.
f Are connections to external devices correctly performed? 51
f Is the input selection setting correct? 66
f Is the [BRIGHTNESS] adjustment setting at a minimum? 84
f Is the external device that is connected to the projector working properly? ―
f Is the shutter function in use? 71, 108
f If the power indicator <ON (G)/STANDBY (R)> is blinking in red, consult your dealer. ―
Image is fuzzy.
f Is the lens focus set correctly? 67
f Is the projection distance appropriate? 37
f Is the lens dirty? 25
f Is the projector installed perpendicular to the screen? ―
Color is pale or grayish.
f Are [COLOR] and [TINT] adjusted correctly? 85
f Is the external device connected to the projector adjusted correctly? 51
f Is the computer cable damaged? ―
Audio is not output.
f Is the external device connected correctly to the audio input terminal? 32
f Is the volume set to minimum? 72, 122
f Is the mute function used? 71, 123
f Is [AUDIO IN SELECT] in [AUDIO SETTING] correctly set? 123
f Is there a cable connected to the <VARIABLE AUDIO OUT> terminal? Audio is not
output from the built-in speaker when a cable is connected.
52, 123
Remote control does not
respond.
f Are the batteries depleted? ―
f Is the polarity of the batteries set correctly? 33
f Are there any obstructions between the remote control and the remote control
signal receiver of the projector?
29
f Is the remote control being used beyond its effective operation range? 29
f Are other forms of light, such as uorescent light, affecting the projection? 29
f Is the [REMOTE CONTROL] setting in [CONTROL DEVICE SETUP] set to
[DISABLE]?
137
f Is the ID number setting operation correct? 76
Menu screen does not
appear.
f Is the on-screen display function turned off (hidden)? 72
Buttons on the control
panel do not operate.
f Is the [CONTROL PANEL] setting in [CONTROL DEVICE SETUP] set to
[DISABLE]?
137
Image does not display
correctly.
f Is [SYSTEM SELECTOR] set properly? 88
f Is there a problem with the video tape or other image sources? ―
f Is a signal which is not compatible with the projector being input? 217
Image 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” keys or the “Fn” + “F10”
keys simultaneously. This will differ depending on the model of the computer. Refer
to the user manual provided with your computer.)
―
Video from HDMI
compatible device does
not appear or it appears
jumbled.
f Is the HDMI cable connected securely? 51
f Turn the power of the projector and the external device off and on. ―
f Is a signal which is not compatible with the projector being input? 217
No audio is coming from
the HDMI compatible
device.
f Set the audio for connected device to linear PCM. ―