Panasonic PT-L759VU - Manual (Page 57)

57
• The signal input source may not be connected properly. (pp. 41 - 43 )
• The input selection setting may not be correct. (p. 17 )
• The connected signal source may be turned off. (pp. 26 , 27 )
• If the DVI-D signal is not projected, the DVI cable may not have been connected to
the PC and LCD Projector at the time the PC was turned on. (p. 42 )
Before Requesting Service
If the LCD Projector unit fails, check the following before calling your dealer for service.
Problem Possible Cause
• The power cord may not be connected.
• The main power switch on the Projector may be turned off.
• The main power supply may not be supplied to the wall outlet.
• The Status Codes are indicated on the STATUS CODE Display. (p.
50 )
• The lamp unit or lamp unit cover may not have been correctly installed. (pp. 53 , 54 )
• The Air Filter Unit may not have been correctly installed. (p. 51 )
• The lens cap may still be attached to the lens.
• The signal input source may not be connected properly. (pp.
41 - 43 )
• The input selection setting may not be correct. (p. 17 )
• The Brightness adjustment may be lowest setting. (p. 30 )
• The LCD Projector may be set to the Shutter mode. (p. 18 )
• The lens focus may not have been set correctly, or the Projector may not
be at the correct distance from the screen. (pp.
12 , 13 , 15 , 16 , 22 )
• The lens may be dirty.
• The LCD Projector may not be set up so that it is perpendicular to the screen.
(pp. 12 , 13 , 15 , 16 , 22 )
• The VIDEO or R, G, B adjustments may not have been set correctly. (pp. 29 - 31 )
• Color or Tint adjustment may be incorrect. (p. 30 )
• The video formats may not match. (p. 28 )
• The signal cables may be connected incorrectly. For instance, the P B , P R
connectors may be reversed. (p. 43 )
• The audio signal source may not be connected properly. (pp. 41 - 43 )
• The volume adjustment may be at the lowest possible setting. (p. 18 )
• The Mute function or Audio/Video Shutter function may be active. (p. 18 )
• The batteries may be spent, or they may not be inserted correctly. (p. 10 )
• There may be an object blocking the infrared signals between remote
control unit and the Projector.
• The remote control unit may be out of the operating range. (p.
11 )
• The Video System may not be correct. (p. 28 )
Power does not turn on.
No picture appears.
The picture is fuzzy.
“Focus” or “No Signal”
appears on screen.
Color is too light or tint is
poor.
No sound can be heard.
Remote Control does not
operate.
The color is black-and white.