Acer H243, Руководство по обслуживанию

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Acer
Acer –LCD-H243H
6
4. Input / Output Signal Specifications
4.1 Video signals
Analog
RGB signal: 0.7Vp-p (Input impedance = 75 Ohm)
Sync: TTL level (Input impedance
≧
1k Ohm)
Positive and negative sync of Separate Horizontal/Vertical Sync
Digital : TMDS Signal: (min) ±200mVpp@24Bit
4.2 Signal Timing
Through D-SUB/DVI connectors, this unit can support F
H
= 31~80 KHz, Fv=55~76Hz, with maximum
pixel clock 165MHz input signal and WSXGA+ output. Modes details as below:
VESA MODES
Mode Resolution Total H Frequency V Frequency
Pixel Clock
(MHz)
640x480 800 x 525 31.469 59.941 25.175
640x480 832 x 520 37.861 72.809 31.500
VGA
640x480 840 x 500 37.500 75.000 31.500
800x600 1024 x 625 35.156 56.250 36.000
800x600 1056 x 628 37.879 60.317 40.000
800x600 1040 x 666 48.077 72.188 50.000
SVGA
800x600 1056x625 46.875 75.000 49.500
1024x768 1344x806 48.363 60.004 65.000
1024x768 1328x806 56.476 70.069 75.000 XGA
1024x768 1312x800 60.023 75.029 78.750
1152x864 1600x900 67.5 75 108
VESA
1280x960 1800x1000 60 60 108
1280x1024 1688x1066 63.981 60.020 108.000
SXGA
1280x1024 1688x1066 79.976 75.025 135.000
VESA 1280x720 1650x750 44.955 59.940 74.176
1280x800 1680x831 49.702 59.810 83.500
WXGA
1360x768 1792x795 47.712 60.015 85.500
1440x900 1904x931 55.935 59.887 106.500
WXGA+
1440x900 1936x942 70.635 75.000 136.750
SXGA+ 1400x1050 1864x1089 65.317 59.978 121.75
WSXGA+ 1680x1050 2240*1089 65.290 59.954 146.250
1600x1200 2160x1250 75.000 60.000 162.000
UXGA
1920x1080-R 2080x1111 66.587 59.934 138.50
IBM MODES
EGA 720x400 900x449 31.469 70.087 28.322
MAC MODES
VGA 640x480 864x525 35 66.66 30.24
SVGA 832x624 1152x667 49.722 74.55 57.28
SXGA 1152x870 1568x909 68.700 75.000 84.520
Note: 1. Non-interlace signals only (An interlace signal cannot be display)
2. Please refer to F/W specification for more detail
3. Each frequency of Power Macintosh and Sun Ultra is a reference value
4.3 Timing requirements
The LCD monitor must be capable of displaying standard resolutions within the vertical frequency range of 55 ~ 76 Hz and
the horizontal scan range of 31 ~ 80 KHz with maximum pixel clock of
190MHz.