Sharp PG-C20XU operation manual Using the Kensington Lock, Troubleshooting, E-42

Using the Kensington Lock

Kensington Security

Standard connector

This projector has a Kensington Security Standard connector for use with a Kensington MicroSaver Security System. Refer to the information that came with the system for instructions on how to use it to secure the projector.

Troubleshooting

Problem		Check
No picture and no sound.	•	Projector power cord is not plugged into the wall outlet.
	•	The filter cover is not securely installed.
	•	Selected input is wrong. (See page 17.)
	•	Cables incorrectly connected to side and rear panels of the projector. (See pages 12–15.)
	•	Remote control batteries have run down. (See page 9.)
Sound is heard but no picture	•	Cables incorrectly connected to side and rear panels of the projector. (See pages 12–15.)
appears.	•	“Contrast” and “Bright” adjustments are set to minimum position. (See page 27.)
Color is faded or poor.	•	“Color” and “Tint” adjustments are not correct. (See page 27.)
Picture is blurred.	•	Adjust the focus. (See page 17.)
	•	Projection distance is too long or too short to allow for proper focus. (See page 18.)
Picture appears but no sound is	•	Cables incorrectly connected to side and rear panels of the projector. (See pages 12–15.)
heard.	•	Volume is set to minimum. (See page 17.)
An unusual sound is occasionally	•	If the picture is normal, the sound is due to cabinet shrinkage caused by temperature changes.
heard from the cabinet.		This will not affect operation or performance.
Maintenance indicator illuminates.	•	Refer to “Lamp/Maintenance Indicators” on page 39.
Picture noise appears.	•	Adjust the “Phase” setting. (See page 29.)
480P images do not appear.	•	Set the resolution mode to 480P. (See page 36.)

Troubleshooting Maintenance&

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