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Chapter 6 Maintenance — Troubleshooting
Troubleshooting
Review the following points. For details, see the corresponding pages.
Problems
Power does not turn on.
No image appears.
Image is fuzzy.
Color is pale or grayish.
Remote control does not respond.
Menu screen does not appear.
Buttons on the control panel do not operate.
Image does not display correctly.
Image from a computer does not appear.
Image output from DVI-D of the computer does not appear.
Video from HDMI compatible device does not appear or it appears jumbled.
Points to be checked f Is the power plug firmly inserted into the outlet?
f Is the <MAIN POWER> switch set to <OFF>?
f Is the wall outlet supplying electricity?
f Have the circuit breakers tripped?
f Are the light source indicators <LIGHT1>/<LIGHT2> or the temperature indicator
<TEMP> lighting or blinking?
f Are connections to external devices correctly performed?
f Is the image input selected correctly?
f Is the [BRIGHTNESS] adjustment setting at a minimum?
f Is the external device that is connected to the projector working properly?
f Is the shutter function in use?
f Is the projection lens attached correctly?
f If the power indicator <ON (G)/STANDBY (R)> is blinking in red, consult your dealer.
f Is the lens cover still attached to the lens?
f Is the lens focus set correctly?
f Is the projection distance appropriate?
f Is the lens dirty?
f Is the projector installed perpendicular to the screen?
f Are [COLOR] and [TINT] adjusted correctly?
f Is the external device connected to the projector adjusted correctly?
f Are the batteries depleted?
f Is the polarity of the batteries set correctly?
f Is the button operation disabled by sliding the <LOCK> button on the remote control?
f Are there any obstructions between the remote control and the remote control signal receiver of the projector?
f Is the remote control being used beyond its effective operation range?
f Are other forms of light, such as fluorescent light, affecting the projection?
f Is the [REMOTE CONTROL] setting in [CONTROL DEVICE SETUP] set to
[DISABLE]?
f Is the <REMOTE 2 IN> terminal used for contact control?
f Is the ID number setting operation correct?
f Is the on-screen display function turned off (hidden)?
f Is the [CONTROL PANEL] setting in [CONTROL DEVICE SETUP] set to
[DISABLE]?
f Is the <REMOTE 2 IN> terminal used for contact control?
f Is the [SYSTEM SELECTOR] selection set correctly?
f Is there a problem with the external device to output images?
f Is a signal which is not compatible with the projector being input?
f Are the settings for [SDI IN], [DIGITAL LINK IN], and [SLOT IN] made correctly?
f Is the cable too long?
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.) f Is [DVI-D LINK] in [SLOT IN] set correctly? Also, if it is set to [AUTO], the condition may improve by changing the setting to anything other than [AUTO].
f Is the [EDID SELECT] setting in [SLOT IN] set to [EDID3] or [EDID2:PC]?
f The graphics accelerator driver of the computer may need to be updated to the latest version.
f The condition may improve by setting [EDID SELECT] in [SLOT IN] and then restarting the computer.
f Is the HDMI cable connected securely?
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?
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Chapter 6 Maintenance — Troubleshooting
Problems
Lens shift cannot be adjusted.
Geometric adjustment is not possible.
Cannot control the projector with Art-Net.
The DIGITAL LINK input image is not displayed.
Cannot switch to the input of the Interface Board.
Points to be checked f Perform [LENS CALIBRATION].
f Is the Fixed-focus Lens (Model No.: ET-D75LE50) attached?
f Is [QUAD PIXEL DRIVE] set to [OFF]?
f Is [SIMUL INPUT SETTING] set to [AUTO(x2-speed)] or [AUTO(x4-speed)]?
f Are the connections between the twisted-pair-cable transmitter and an external device, and between the twisted-pair-cable transmitter and projector correctly done?
f Is [Art-Net SETUP] set to other than [OFF]?
f Are [NET], [SUB NET], [UNIVERSE], and [START ADDRESS] set correctly?
f Is the cable compatible to the condition of the projector used?
f Are the connections between the twisted-pair-cable transmitter and the projector or an external device correctly done?
f Is [DIGITAL LINK MODE] set to [AUTO] or [DIGITAL LINK]? Is it set to
[ETHERNET]?
f Is a signal which is not compatible with a twisted-pair-cable transmitter being input?
f Is the Interface Board correctly installed in the slot?
f When the 3G-SDI Terminal Board with Audio is installed, is the firmware version of the 3G-SDI Terminal Board with Audio (Model No.: TY-TBN03G) 2.00 or later?
Attention f If problems persist even after checking the preceding points, consult your dealer.
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208 - ENGLISH
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