Norcent LT2790BK Service Manual
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Contents
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27’’ LCD TV Norcent LT2790BK17Apply power to the display by turning the power switch to the "ON" position and allow about ten seconds for Panelwarm-up. The Power-On indicator lights "GREEN" when the display is on.With proper signals feed to the display, a pattern or data should appear on the screen, adjust the brightness andcontrast to the most pleasing display, or press auto-adjust to get the best picture-quality.This TV (with PC function) has power saving function following the VESA DPMS. Be sure to connect the signalcable to the PC.If your TV requires service, it must be returned with the power cord.3.2 Factory Preset Display Modes:Analog RGB input signal timingVESA MODESHorizontal VerticalMode Resolution TotalNominalFrequency(KHz)SyncPolarityNominalFreq.(Hz)SyncPolarityNominalPixelClock(MHz)640x480@60Hz 800 x 525 31.469 N 59.940 N 25.175640x480@72Hz 832 x 520 37.861 N 72.809 N 31.500VGA640x480@75Hz 840 x 500 37.5 N 75 N 31.500800x600@56Hz 1024 x 625 35.156 P 56.25 P 36.000800x600@60Hz 1056 x 628 37.879 P 60.317 P 40.000800x600@72Hz 1040 x 666 48.097 P 72.188 P 40.000SVGA800x600@75Hz 1056 x 625 460875 P 75 P 49.51024x768@60Hz 1344x806 48.363 N 60.004 N 65.0001024x768@70Hz 1328x806 56.476 N 70.069 N 75.000XGA1024x768@75Hz 1312x800 60.023 P 75.029 P 78.750WXGA 1360x768@60Hz 1792x795 47.712 P 60.015 P 85.5HDMI input signal timingVESA MODESHorizontal VerticalMode Resolution TotalNominalFrequency(KHz)SyncPolarityNominalFreq.(Hz)SyncPolarityNominalPixelClock(MHz)720P 1280×720P 45.00 60 74.251080i 1920X1080i 33.75 60 74.25480P 720X480P 31.54 60 27.00480i 720X480i 15.75 60 13.51 |
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