Dynex DX-L321-10A User Manual

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Dynex DX-L321-10A User Manual Manual pdf 27 page image

Maintenance 23Notes:If the problem is not solved by using these troubleshooting instructions,turn off your TV, then turn it on again.Contact us by logging on to www.dynexproducts.com or by calling DYNEXCustomer Service at (800) 304-2204 (USA and Canada only).MaintenanceJust like with any other household appliance, the performance and life-expectancy of your TV depends on how well you maintain it. Follow theprocedures described here to clean the TV case and the LCD screen.Cautions:• Make sure that the TV is turned off and the power cord isdisconnected from the power outlet before cleaning the TV.• Never spray or pour any liquid directly onto the screen or the case.Cleaning• Clean your TV with a soft, dry cloth. If surfaces are extremelydirty, use a soft cloth dampened with a small amount ofnon-ammonia, non-alcohol-based, mild, non-abrasivedetergent.• Clean the screen with a clean, soft, lint-free cloth. If additionalcleaning is necessary, apply a small amount of non-ammonia,non-alcohol-based glass cleaner onto a clean, soft, lint-freecloth, then wipe the screen.SpecificationsDesign and specifications are subject to change without notice.Dimensions and weight are approximate.No picture • Make sure that the video input cable iscorrectly connected to the appropriateterminal, and that the correct input mode isenabled. To illustrate, when a VGA cable isconnected to display a computer screen,the PC input mode must be enabled.• In TV mode, verify that the antenna iscorrectly connected and that the preferredchannel is enabled in the channel list. PressMENU and select Channels, Channel List.• Press MENU and select Picture to adjustthe display settings.• If you are using a Macintosh computer thatis older than a G3 model, you need aMacintosh adapter.No picture or the NoSignal messageappears when a VGAcable is connected• Make sure that the VGA cable is correctlyconnected to the TV’s VGA port.• Decrease the video resolution setting onthe computer and try again.• Press MENU and select Picture to adjustthe display settings.• Decrease the video resolution setting onthe computer and try again.The picture is cut offor appears in asidebar screen• Press ZOOM and make sure that theNormal option is selected.Poor image qualityin TV mode (such asa cutoff picture,snowy images)• Check your antenna connection. Ifnecessary, rotate the antenna and wait upto ten seconds for a signal.• Reduce the use of signal splitters andexcessively long cables.• Replace poor antenna cables and/orconnectors to improve signal quality.• Press ZOOM and make sure that theNormal option is selected.• Press MENU, select Picture, Advanced,then adjust the Noise Reduction setting.• In HDMI mode, make sure that the externaldevice is compatible with your TV.Wrong, abnormal, ormissing colors• If any colors (such as red, green, or blue) aremissing, check the video cable to make surethat it is securely connected. Loose orbroken pins in the cable connector couldcause an improper connection.• Press MENU and select Picture, Settings toadjust the Tint and Color settings. You canalso select Picture, Advanced to adjust theColor Temperature setting.• Connect the TV to another computer andcheck to determine if the problem is withthe computer screen.No sound • Make sure that the audio input cable iscorrectly connected to the appropriateterminal and that the correct input mode isenabled.• The volume may be muted, press (Mute)or the Vol+ key to turn on the volume.• Press MENU and select Audio to adjust theBass, Treble, and Balance settings.• If you are using the TV speakers, pressMENU and select Audio to make sure thatthe TV Speakers option is set to ON.• If you are using an external audio device,press MENU and select Audio to make surethat the TV Speakers option is set to OFF,then make sure that the volume on theexternal audio device is turned on.Problem SolutionTV model DX-L321-10ATV panel TypeResolutionColorViewing angleContrast ratioBrightnessResponse time31.5-inch Active matrix WXGA TFT LCD1366 x 768 (RGB vertical stripe)16.2 million176° horizontal,176° vertical3000:1400 nits8.5 msAudio/videoinputterminalsVGA (75 ohms, 0.7 Vp-p) + PC audio-in (mini-stereo)H/V separated (TTL) for PC; fh: 30-63 kHz, fv: 50-75 HzHDMI 1 and HDMI 2 + RCA (L/R) stereoTV tunerComponent 1 (Y,Pb,Pr) and Component 2 (Y,Pb,Pr) +RCA (L/R) stereoComposite 1 and Composite 2 + two RCA (L/R) stereoAudio/videooutputterminalsRCA (L/R) stereoSPDIF (optical)Speakeroutput5W x 2 channelsImageprocessorATI Xilleon™ 241TV systemsupportNTSC and ATSCTVcompatibility480i, 480P, 720P, 1080iDX-L321-10A_09-0407_MAN_ENG_V3.book Page 23 Wednesday, May 13, 2009 11:38 AM