Revision to Optoma HD20 Troubleshooting
| [toc] | |
| - | == Dark Area on Image == |
| + | == Dark/Blurry Area on Image == |
| ''When device is powered on, a dark/blurry area is seen in the middle of the projected image.'' | |
| === Burning/meltdown of internal lens === | |
| - | |
| + | This occurrence is easily diagnosed as it is often accompanied by the smell of burning plastic. The lens will have a distinct black melted spot. This problem requires lens replacement. |
| === Lens is dirty === | |
| - | |
| + | If the lens is dirty, the image may appear distorted or blurry. Cleaning the lens with alcohol may remedy this. To keep this problem from reoccurring, check the air filter as it may be the cause for the dirty lens. |
| == Overheating == | |
| === Fan is clogged/dirty === | |
| - | fan |
| + | If the fan is dirty, it will not properly regulate air flow within the projector which can lead to overheating. |
| === Fan is broken === | |
| === Faulty HDMI connection === | |
| - | |
| + | Check the connection of the HDMI port. If it seems loose, try unplugging and plugging it back in. If the problem continues, the HDMI port may need replacing. See below. |
| === Broken HDMI port === | |
| - | HDMI port |
| + | Check the physical state of the male and female connectors on both the HDMI cable and the projector. If the female port on the projector appears to be physically damaged, it needs to be replaced. |
| == Buttons Unresponsive == | |
| ''No response occurs when buttons are pressed when device is on.'' | |
| - | === |
| + | === Buttons are stuck === |
| - | To clean buttons the cover may have to be removed to see if there is any dirt under the buttons. |
| + | If the buttons seem to be stuck it is possible that there is something preventing the button from registering. Remove the cover and check to see if there is any dirt or debris underneath the buttons. |
| + | |
| + | === Bad connection between circuit board and ribbon === |
| + | |
| + | Remove the cover of the projector. The ribbon connects the buttons to the circuit board. If the projector was previously dropped it is possible that the connection between the ribbon and circuit board could have become dislodged. Unplug and re-plug the connector. |
| === Bad bootup === | |
| Sometimes, the buttons might not work correctly when the console runs into an error while booting up. These types errors frequently occur when the console isn't properly started. To check for this turn off and unplug your console from the wall, then wait about 30 seconds. After the time has passed restart the system. | |
| - | == No image displayed == |
| + | == Device Won't Turn On/No image displayed == |
| ''Device may not display an image when it is turned on.'' | |
| === Improper plug-in === | |
| - | The device may be incorrectly plugged in causing the image to not appear on the screen. |
| + | The device may be incorrectly plugged in causing the image to not appear on the screen. Check the connection of the power cord with both the projector and the wall. |
| === Burnt out light bulb === | |
| - | The light bulb inside the device may be burned out. To remedy this a replacement bulb will need to be bought and |
| + | The light bulb inside the device may be burned out, resulting in no image being displayed. To remedy this a replacement bulb with housing will need to be bought and installed into the device. |
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