Sharp XG-C40XU operation manual Using the Kensington Lock, Troubleshooting, E-52

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
Power cannot be turned on or off	•	Keylock level is set to “Level A” or “Level B”, preventing operation of some or all buttons (See page
using the POWER buttons (ON/		43.)
OFF) on the projector.
No picture and no sound.	•	Projector power cord is not plugged into the wall outlet.
	•	The bottom filter cover is not securely installed.
	•	Selected input is wrong. (See page 19.)
	•	Cables incorrectly connected to rear panel of the projector. (See pages 13–17.)
	•	Remote control batteries have run down. (See page 10.)
	•	Remote control’s MOUSE/ADJUSTMENT switch is set to MOUSE.
Sound is heard but no picture	•	Cables incorrectly connected to rear panel of the projector. (See pages 13–17.)
appears.	•	“Contrast” and “Bright” adjustments are set to minimum position. (See page 28.)
	•	On-screen Display (“BLACK SCREEN”) is turned off and Black Screen function is turned on,
		creating a black image. (See page 39.)
Color is faded or poor.	•	“Color” and “Tint” adjustments are not correct. (See page 28.)
Picture is blurred.	•	Adjust the focus. (See page 19.)
	•	Projection distance is too long or too short to allow for proper focus. (See page 20.)
Picture appears but no sound is	•	Cables incorrectly connected to rear panel of the projector. (See pages 13–17.)
heard.	•	Volume is set to minimum. (See page 19.)
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 49.
Picture noise appears.	•	Adjust the “Phase” setting. (See page 31.)
480P images do not appear.	•	Set the resolution mode to 480P. (See page 33.)
Color is distorted (except for	•	Change the input system mode. (See page 29.)
INPUT 3 (VIDEO) and INPUT 4 (S-
VIDEO) mode).

Troubleshooting Maintenance&

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