Sony VPL-HW20 Operating Instructions - Page 60
Troubleshooting, Power, Picture
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Troubleshooting If the projector appears to be operating erratically, try to diagnose and correct the problem using the following instructions. If the problem persists, consult with qualified Sony personnel. Power Symptom Cause and Remedy The power is not turned on. c The power may not turn on if you turn the power off with I/1 (ON/STANDBY) switch and turn it on again in a short time. After about 1 minute, turn the power on. c Close the lamp cover securely, then tighten the screws securely. (1 page 66) c Close the filter holder securely. (1 page 67) c Check warning indicators. (1 page 63) Picture Symptom Cause and Remedy No picture. c Check that the proper connections have been made. (1 page 22) c Select the input source correctly using the INPUT button. (1 page 28) c Set the computer signal to output from an external monitor. c Set the computer signal to output only to an external monitor. c Select "Computer," "Component" or "Video GBR" for "Input-A Signal Sel." on the Setup menu according to the input signal. (1 page 51) The picture from the INPUT A connector is colored strange. c Select "Computer," "Component" or "Video GBR" for "Input-A Signal Sel." on the Setup menu according to the input signal. (1 page 51) The picture from the VIDEO INPUT or S VIDEO INPUT connector is colored strange. c Adjust the picture of the Picture c Set "Color System" in the Setup system being input. (1 page 51) menu. (1 page 43) menu to match the color The bright area of the picture may become unclear or texts may become faded. (When HDMI video signal is input) c This symptom may occur when a signal other than those of HDMI standard is input. (1 page 29) Switch the RGB dynamic range of the connected equipment to Limited (16-235). If this adjustment is unavailable, adjust "Brightness", "Contrast", or "Sharpness" in the Picture menu of the projector. (1 page 44) The texts may become faded when connected with a computer. (When computer signal is input) c This symptom may occur when a signal other than those of HDMI standard is input. (1 page 29) Adjust "Sharpness" in the Picture menu. (1 page 44) 60