Panasonic PT-DW11KU User Manual

Page of 187
Chapter 5Maintenance — Troubleshooting
ENGLISH - 163
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 firmly inserted into the outlet?
 
f
Is the <MAIN POWER> switch set to <OFF>?
55
 
f
Is the wall outlet supplying electricity?
 
f
Have the circuit breakers tripped?
 
f
Are the lamp indicator <LAMP1>/<LAMP2> or the temperature indicator <TEMP> lit 
or flashing?
155
 
f
Is the lamp unit cover attached?
161
No image appears.
 
f
Are connections to external devices correctly performed?
48
 
f
Is the input selection setting correct?
62
 
f
Is the [BRIGHTNESS] adjustment setting at a minimum?
72
 
f
Is the external device that is connected to the projector working properly?
 
f
Is the shutter function in use?
61
 
f
If the power indicator <ON (G)/STANDBY (R)> is flashing in red, consult your 
dealer.
 
f
Is the lens cover still attached to the lens?
53
Image is fuzzy.
 
f
Is the lens focus set correctly?
56
 
f
Is the projection distance appropriate?
32
 
f
Is the lens dirty?
18
 
f
Is the projector installed perpendicular to the screen?
Color is pale or grayish.
 
f
Is [COLOR] or [TINT] adjusted correctly?
72
 
f
Is the external device connected to the projector adjusted correctly?
48
 
f
Is the RGB cable damaged?
Remote control does not 
respond.
 
f
Are the batteries depleted?
 
f
Is the polarity of the batteries set correctly?
28
 
f
Are there any obstructions between the remote control and the remote control 
signal receiver of the projector?
24
 
f
Is the remote control being used beyond its effective operation range?
25
 
f
Are other forms of light, such as fluorescent light, affecting the projection?
25
 
f
Is the [REMOTE CONTROL] setting in [CONTROL DEVICE SETUP] set to 
[DISABLE]?
132
 
f
Is the <REMOTE 2 IN> terminal used for contact control?
173
 
f
Is the ID number setting operation correct?
28
Menu screen does not 
appear.
 
f
Is the on-screen display function turned off (hidden)?
102
Buttons on the control 
panel do not operate.
 
f
Is the [CONTROL PANEL] setting in [CONTROL DEVICE SETUP] set to 
[DISABLE]?
132
 
f
Is the <REMOTE 2 IN> terminal used for contact control?
173
Image does not display 
correctly.
 
f
Is the [SYSTEM SELECTOR] selection set correctly?
77
 
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?
175
Image from a computer 
does not appear.
 
f
Is the cable too long? (Use D-Sub cables that are 10 m (32'10") or shorter.)
 
f
Is the external video output of 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.)
Image output from DVI-D 
of the computer does not 
appear.
 
f
Is the [DVI-D IN] setting [EDID3]/[EDID2:PC]?
100
 
f
The graphics accelerator driver of the computer may need to be updated to the 
latest version.
 
f
The computer may need to be restarted after performing the [DVI-D IN] setting.
100
Video from HDMI 
compatible device does 
not appear or it appears 
jumbled.
 
f
Is the HDMI cable connected securely?
48
 
f
Turn the power of the projector and the external device on and off.
 
f
Is a signal which is not compatible with the projector being input?
175
3D function is not working.
 
f
Is the [3D INPUT FORMAT] setting of [3D SETTINGS] correct?
92
 
f
Check the 3D eyewear settings.
 
f
Is a signal which is supported by the projector being input?
177