Panasonic PT-DZ770E Operating Instructions Manual

Contents

Troubleshooting108 - ENGLISHMaintenanceTroubleshootingReview the following points. For details, see the corresponding pages.Problems Points to be checked PagePower does not turnon.z Is the power plug firmly inserted into the outlet? ―z Is the

switch turned ? 38z Is the wall outlet supplying electricity? ―z Have the circuit breakers tripped? ―z Is the temperature indicator or the lamp indicator/ lit or flashing? 102, 103z Is the lamp unit cover securely installed? 107No image appears.z Are connections to external devices correctly performed? 32z Is the input selection setting correct? 41z Is the [BRIGHTNESS] adjustment setting at a minimum? 47z Is the external device that is connected to the projector workingproperly? ―z Is the shutter function in use? 41z If the power indicator is flashing in red, consultyour dealer.—The picture is fuzzy.z Is the lens focus set correctly? 39z Is the projection distance appropriate? 24z Is the lens dirty? 15z Is the projector installed perpendicular to the screen? ―The color is pale orgrayish.z Is the [COLOR] or [TINT] adjusted correctly? 48z Is the external device connected to the projector adjusted correctly? 32z Is the RGB cable damaged? ―The remote controldoes not respond.z Are the batteries depleted? ―z Is the polarity of the batteries set correctly? 22z Are there any obstructions between the remote control and theprojector’s remote control signal receiver? 19z Is the remote control being used beyond its effective operation range? 19z Are other forms of light, such as fluorescent light, affecting theprojection? 19z Is the [REMOTE CONTROL] setting in [CONTROL DEVICE SETUP] setto [DISABLE]? 80z Is the terminal used for contact control? 116z Is the ID number setting operation correct? 22The menu screendoes not appear.z Is the on-screen display function turned off (hidden)? 21, 41