Yamaha Lpx 500 User Manual

37
Troubleshooting
High temperature 
inside projector 
(overheating)The lamp will turn off automatically and projection will stop. 
Wait for about 5 minutes without operating the projector. After 5 
minutes have elapsed, the projectors cooling fan will stop. When 
the cooling fan stops, turn off the main power switch and then 
turn it back on again.
If the projector overheats, check the following two points.
•
•• •Is the setting-up location well ventilated?
Check that the air inlet and air outlet are...

38
When the Indicators Provide No Help
If any of the following problems occur and the indicators do not offer a solution, refer to the pages given for 
each problem.
No images appear p.38, p.39 Images appear dark p.42
Poor image quality p.40 Images appear green p.42
Only part of the image is displayed (Large/small) p.41 The remote control does not work p.42
The image colors are not right p.41 The power does not turn off p.43
Condition
No images appear (Nothing at all appears)
Probable causeRemedy
Is the...

39
Troubleshooting
Condition
No images appear (Messages do appear)
“Not Supported” message appears on the screen.
“No Signal”message appear on the screen.
Probable causeRemedy
Does the input signal setting match the 
connected source?Use the “Video Signal”, “INPUT A Signal” or “INPUT 
B Signal” commands in the “Signal” menu to set the 
signal format that matches the signal from the 
connected equipment.
“Signal” - “Video Signal”, “INPUT A Signal”, 
“INPUT B Signal” (p.30)
Has the correct image input port...

When the Indicators Provide No Help
40
Condition
Poor image quality
•
•• •The image is fuzzy
•
•• •Part of the image is out of focus
•
•• •The whole image is out of focus
•
•• •The image is distorted
•
•• •The image contains interference
Probable causeRemedy
Has the focus been adjusted correctly?Adjust the focus. (p.14)
Has the front adjustable foot been adjusted 
so that the projection angle is too big?
If the projection angle is too big, the image will be out 
of focus vertically.Adjust the projection...

41
Troubleshooting
Condition
•
•• •Image is too large (Only part of the image is displayed)
•
•• •Image is too small
Probable causeRemedy
The display mode (aspect ratio) setting may 
not be selected correctly.Press the [ASPECT] button on either the remote control 
or the projectors control panel. (p.15)
Has the Position setting been adjusted 
correctly?Use the “Position” command in the “Signal” menu to 
adjust. (p.30)
Has the correct resolution been selected?Set the computer so that the signals that are...

When the Indicators Provide No Help
42
Condition
Images appear dark
Probable causeRemedy
Is the lamp due for replacement?
If the LAMP/COVER indicator is flashing orange, it 
means that the lamp will soon be due for replacement. 
When the lamp is nearly due for replacement, the 
image will become darker and the tint will become 
poorer.Replace the lamp with a new one. (p.48, 49)
Condition
Images appear green
Probable causeRemedy
Do the settings for component video input 
signals match the signals from the...

43
Troubleshooting
Condition
The power does not turn off (after the [STANDBY/ON] 
button is pressed)
Probable causeRemedy
Is the   indicator still orange?
This projector is designed so that the   indicator 
remains lit even when after the power has been turned 
off.When the main power switch at the rear of the projector 
is turned off, the   indicator switches off.
Is the fan operating?
After the [STANDBY/ON] button on either the remote 
control or the projectors control panel is pressed to 
turn off the...

4
Appendices
This chapter provides information on maintenance procedures to ensure the best level of 
performance for the projector for a long time.
Maintenance..................................................................................... 46
•
•• •Cleaning.......................................................................................................................46
Cleaning the Projector Case...

46
Maintenance
This section describes maintenance tasks such as cleaning the projector and replacing consumable parts.
You should clean the projector if it becomes dirty or if the quality of projected images starts to deteriorate.
Clean the projector case by wiping it gently with a soft cloth. 
If the projector is particularly dirty, moisten the cloth with water containing a small amount of neutral 
detergent, and then firmly wring the cloth dry before using it to wipe the projector case. Then wipe the...

47
Appendices
This section describes how to replace the lamp and the air filter.
It is time to replace the lamp when:
•
•• •The message Lamp Replace appears on the screen when projection starts.
•
•• •The LAMP/COVER indicator flashes orange or lights red.
•
•• •The projected image gets darker or starts to deteriorate.
Replacing Consumables
Lamp Replacement Period
•
•• •In order to maintain the brightness and quality of the projected images, replace the lamp as 
soon as possible after the warning message...