Sony VPL-FHZ90L Operating Instructions - Page 48

Troubleshooting Check the following before asking for repair service. If the problem still persists, consult with qualified Sony personnel. Power Symptom The power is not turned on. Remedy Check if the AC power cord is firmly connected. When the "Control Key Lock" is set to "On," you cannot turn on the projector using the / key on the projector (page 29). Check how the air filter is attached and install it securely (page 50). Picture Symptom No image No image/image disturbance The color of image has changed. Unintended images are output. Flicker in the screen occurs. Remedy Check if the connecting cable is connected to external device properly (page 8). Check if the computer signal is set for output to an external monitor. If you set your computer, such as a notebook computer, to output the signal to both your computer's display and an external monitor, an image may not appropriately displayed on the external monitor. Set your computer to output the signal to only an external monitor (page 16). Check if the input source is correctly selected (page 16). Check if an image is cut off (page 6). During "Zone Black Level" adjustment, a black image is automatically projected (page 33). Set "HDMI Cable" to "Long" (page 30). The color calibration may have been performed. To restore the color or the factory default settings, select "Return" or "Reset" in "Color Calibration" (page 28). The color calibration may be being performed. While performing the color calibration, the color calibration pattern is displayed automatically. Wait until the pattern turns off after completing the color calibration. When you press the / key on the projector or the  key on the Remote Commander, the pattern is turned off and the color calibration function is disabled (page 6, 28). Flicker in the screen may occur transiently due to switching signals, but it is not malfunction. On-screen display Symptom Remedy On-screen display does not appear. The on-screen display does not appear when "Status" in the Operation menu is set to "Off" or "All Off" (page 29). The aspect ratio is not correct./An image is The image may not be displayed correctly with an input signal the projector displayed smaller./A part of image does cannot interpret correctly. In such a case, set "Aspect" manually (page 26, 27). not appear. Check if "Screen Aspect" is correctly selected (page 33). The image is a trapezoid. The images become trapezoidal because of the projection angle. In such a case, you can correct the trapezoidal distortion, using a Keystone feature (page 6, 18, 32). Edges of the image are cut off or dark. If you use the lens shift function over the recommended lens shift range, edges of the image may be cut off or appear dark. Use a setting within the normal range for the lens shift function (page 57). The image is distorted. Warping is set. Disable the warp correction feature (page 19, 32). 48