
Appendices85
Appendix F: Troubleshooting, continued
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 | Sound (see also NetCommand troubleshooting for additional help with A/V receiver concerns) | 
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 | 1. | There is no sound even when the | • Check if the MUTE button is on. | 
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 | volume is turned up. | • The TV’s “Listen to:” setting may be set to SAP. | 
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 | • Check that the Speakers option is set to TV to hear sound from the | 
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 | TV speakers. | 
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 | • If using an A/V receiver, check that the Speakers option is set to AV | 
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 | Receiver to hear sound from the A/V receiver speakers. | 
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 | • Perform a System Reset. | 
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 | 2. | The sound does not match the screen | The TV’s Listen to: setting may be set to SAP. See page 41. | 
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 | 3. | The sound from my A/V receiver does | • Check that DIGITAL AUDIO OUTPUT and/or AVR AUDIO | 
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 | not match the screen picture (I should | 
 | OUTPUT on TV’s back panel is connected to the A/V receiver. | 
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 | hear the correct audio from my A/V | 
 | Without this connection, devices connected only to the TV (and | 
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 | receiver). | 
 | not the A/V receiver) can be heard only from the TV speakers. | 
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 | Note that this includes the ANT 1/ANT 2 inputs, a device (such | 
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 | as a camcorder) connected to the front panel, and any other | 
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 | device sending audio to the TV only. | 
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 | • Check A/V receiver input selection in the Inputs > AV Receiver | 
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 | menu. If NetCommand is set up incorrectly for the A/V receiver, | 
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 | see “A/V Receiver Control: Automatic Audio Switching,” page | 
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 | 4. | The sound from my A/V receiver does | • Check A/V receiver input selection in the Inputs > AV Receiver | 
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 | not match the screen picture (my source | 
 | menu. If NetCommand is set up incorrectly for the A/V receiver, | 
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 | device should be sending both audio | 
 | see “Setup to Control Automatic Audio and Video Switching via | 
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 | and video through the A/V receiver). | 
 | HDMI,” page 62. | 
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 | • The TV’s Listen to: setting may be set to SAP. See page 41. | 
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 | 5. | Cannot select an  | Plug a video plug into any composite VIDEO jack for the Auto Input | 
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 | does not appear in the Input Selection | Sensing screen to appear. See  | 
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 | 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 D 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 D 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 D . | ||
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 | 4. | STATUS indicator light is a steady/flashing | • | Unplug set from AC power. Plug back in and wait one minute | ||
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 | 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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