78Appendices
Appendix D: Troubleshooting, continued
Indicators
| Symptom |
| Remarks | ||
1. | LAMP indicator light is a constant red. |
| Turn the TV off for at least 2 minutes. Turn it back on. If light is | ||
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| still red, the lamp has failed. Replace it. See Appendix E for lamp | ||
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| replacement information. For questions, please call Mitsubishi | ||
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| Consumer relations at (800) | ||
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2. | LAMP indicator light is a flashing yellow. |
| Lamp cover door is open or lamp cartridge is not secure. See | ||
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| Appendix E for lamp replacement information. | ||
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3. | STATUS indicator light is a steady yellow. |
| • | Room temperature has exceeded proper levels. Cool the | |
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| room. | |
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| • The TV has overheated. Clear blocked air vents and ensure at | ||
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| least four inches of clearance on all sides of the TV. | |
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| • Clean the air filter on the lamp cartridge. See Appendix E . | ||
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4. | STATUS indicator light is a steady/flashing |
| • | Unplug set from AC power. Plug back in and wait one minute | |
| red. |
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| for blinking to stop. | |
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| • Press SYSTEM RESET button and wait for blinking to stop. | ||
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| • If blinking continues, service is required. Contact your dealer | ||
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| or a Mitsubishi Authorized Service Center to arrange for a | |
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| service evaluation. Listings of Mitsubishi Authorized Service | |
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| locations can be obtained from our web site, www.mitsubi- | |
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NetCommand |
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Symptom | Remarks |
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1. | Cannot see the menu from the A/V Receiver. | • A/V Receiver Set Up for |
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| The A/V Receiver is not connected to any video input of |
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| the TV. To check the A/V Receiver menu, temporarily plug |
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| into an unused input of the TV, such as Input 3. Exit the |
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| Auto Input Sensing screen and select Input 3 from the Input |
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| Selection menu. Press MENU. |
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| • A/V Receiver Set Up for Audio and Video Switching over HDMI |
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| Use the MENU key on the A/V receiver’s remote control. |
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| • A/V Receiver with NetCommand for HDMI. |
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| Press INPUT to open the Input Selection menu. Highlight |
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| the A/V receiver icon and press MENU. |
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2. | NetCommand unable to learn specific device | • A/V Device does not use IR format for remote control |
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| keys. |
| signal. ITT and RF formats cannot be learned. |
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| • Room lighting may affect the signal. Have the remotes very |
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| close (6 inches or less) to the TV during Learning. |
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| • If learning a Mitsubishi remote control, make sure slide |
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| switch is not set to TV position. |
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| • Some, but not all, device key functions can be learned by |
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| NetCommand. For example, POWER and PLAY may be |
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| learned, but other functions may not. |
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| • The signal from the remote control may not be strong |
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| enough. Insert fresh batteries and try Learning again. |
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Appendices79
Appendix D: Troubleshooting, continued
NetCommand
Symptom | Remarks |
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3. | The A/V receiver is the selected audio source | • A/V Receiver Set Up for |
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| but there is no sound. | ||
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| Input Selection menu and press ENTER to allow |
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| NetCommand to correctly select the A/V Receiver |
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| input. |
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| Check the device connection assigned in the AV |
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| Receiver menu. |
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| • A/V Receiver Set Up for Audio and Video Switching over HDMI | |
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| ANT 2, or a front panel input), verify that the TV’s |
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| AUDIO OUTPUT is connected to the A/V receiver. |
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| you have not learned the inputs. See “Setting Up |
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| NetCommand Control of an A/V Receiver,” page 57. | |
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4. | There is no sound from the A/V receiver | NetCommand A/V receiver setup for the DVD player or digital | |
| for my DVD player or other surround sound | surround sound device or other device is not switching prop- | |
| device even though I learned the IR code for | erly. See chapter 6, “NetCommand IR Control,” and perform | |
| the A/V receiver’s DVD input or other input. | A/V receiver setup for a digital surround sound device as |
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| (A/V Receiver Set Up for | described under “A/V Receiver Control: Automatic Audio |
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| ing) | Switching,” page 58. |
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5. | There is no sound or picture from the A/V | NetCommand A/V receiver setup is not switching audio and | |
| receiver for my DVD player or other device | video inputs properly. See “Setup to Control Automatic Video | |
| connected to the A/V receiver; the A/V | and Audio Switching via HDMI,” page 61. |
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| receiver should be sending video to the TV |
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| over an HDMI cable. |
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| (A/V Receiver Set Up for Audio and Video |
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| Switching over HDMI) |
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6. | I’ve selected my DVD player or other sur- | • A/V Receiver Set Up for |
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| round sound device in combination with the | If you have only an audio connection from the device to the | |
| TV speakers but hear no sound from the TV | A/V receiver, a physical audio connection from the device | |
| speakers. | to the TV is also required. |
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| to the appropriate TV audio input. Now you can hear | |
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| audio from the device through either the TV speakers or | |
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| the A/V receiver. |
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| to | |
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| show the Speakers option, then press to select AV | |
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| Receiver or TV. |
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| • A/V Receiver Set Up for Audio and Video Switching over HDMI | |
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| With your DVD player connected to the A/V receiver, only | |
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| video is passed from the A/V receiver to the TV because of | |
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7. | I “learned” the RECORD key for my VCR/DVR | Check that the VCR or DVR is receiving a signal directly from | |
| but when I pressed the RECORD key, the | your cable box or satellite receiver. |
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| VCR/DVR did not record anything. |
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