Sharp PG A20X Operation Manual - Page 67

Troubleshooting Problem No picture and no sound or projector does not start. Check • Projector power cord is not plugged into the wall outlet. • Power to the external connected devices is off. • The selected input mode is wrong. • The AV MUTE function is working. • Cables incorrectly connected to rear panel of the projector. • Remote control batteries have run out. • External output has not been set when connecting notebook computer. • The filter/lamp unit cover is not installed correctly. • Cables incorrectly connected to the rear panel of the projector. • "Bright" is set to minimum position. Page 15 - 27 27 16-20 13 16 54,59 16-20 36 Sound is heard but no picture appears. Color is faded or poor. Picture is blurred; noise appears. • Picture adjustments are incorrectly set. (Video Input only) • Video input system is incorrectly set. (INPUT 1 only) • Input signal type (RGB/Component) is incorrectly set. • Adjust the focus. • The projection distance exceeds the focus range. (Computer Input only) • Perform "Fine Sync" Adjustments ("Clock" Adjustment) • Perform "Fine Sync" Adjustments ("Phase" Adjustment) • Noise may appear depending on the computer. • Cables incorrectly connected to rear panel of projector. • Volume is set to minimum. 36 45 37 22 24 38 38 - 16-20 27 Picture appears but no sound is heard. An unusual sound is • If the picture is normal, the sound is due to cabinet shrinkage - occasionally heard caused by room temperature changes. This will not affect from the cabinet. operation or performance. Maintenance • See "Maintenance Indicators". 55 indicator illuminates. The projector cannot be • The keylock is set. 43 turned on or put into the If the keylock is set to ON, all the buttons are locked. standby mode using the ON or STANDBY button on the projector. Appendix PG-A20X_E_PDF_P63_69.p65 63 03.4.23, 9:59 AM -63