Input / Output Signal Specifications; Video Signals; Signal Timing; Timing Requirements - Acer H243 Service Manual

Acer

4. Input / Output Signal Specifications

4.1 Video signals

Analog
RGB signal:
Sync:
Positive and negative sync of Separate Horizontal/Vertical Sync
Digital :

4.2 Signal Timing

Through D-SUB/DVI connectors, this unit can support F
pixel clock 165MHz input signal and WSXGA+ output. Modes details as below:
Mode
VGA
SVGA
XGA
VESA
SXGA
VESA
WXGA
WXGA+
SXGA+
WSXGA+
UXGA
EGA
VGA
SVGA
SXGA
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.
0.7Vp-p (Input impedance =
TTL level (Input impedance ≧ 1k Ohm)
TMDS Signal:
Resolution Total
640x480 800 x 525
640x480 832 x 520
640x480 840 x 500
800x600 1024 x 625
800x600 1056 x 628
800x600 1040 x 666
800x600 1056x625
1024x768 1344x806
1024x768 1328x806
1024x768 1312x800
1152x864 1600x900
1280x960 1800x1000
1280x1024 1688x1066
1280x1024 1688x1066
1280x720 1650x750
1280x800 1680x831
1360x768 1792x795
1440x900 1904x931
1440x900 1936x942
1400x1050 1864x1089
1680x1050 2240*1089
1600x1200 2160x1250
1920x1080-R 2080x1111
720x400 900x449
640x480 864x525
832x624 1152x667
1152x870 1568x909
75 Ohm)
(min) ±200mVpp@24Bit
= 31~80 KHz, Fv=55~76Hz, with maximum
H
VESA MODES
H Frequency
31.469
37.861
37.500
35.156
37.879
48.077
46.875
48.363
56.476
60.023
67.5
60
63.981
79.976
44.955
49.702
47.712
55.935
70.635
65.317
65.290
75.000
66.587
IBM MODES
31.469 70.087
MAC MODES
35 66.66
49.722 74.55
68.700 75.000
6
Acer –LCD-H243H
Pixel Clock
V Frequency
(MHz)
59.941 25.175
72.809 31.500
75.000 31.500
56.250 36.000
60.317 40.000
72.188 50.000
75.000 49.500
60.004 65.000
70.069 75.000
75.029 78.750
75 108
60 108
60.020 108.000
75.025 135.000
59.940 74.176
59.810 83.500
60.015 85.500
59.887 106.500
75.000 136.750
59.978 121.75
59.954 146.250
60.000 162.000
59.934 138.50
28.322
30.24
57.28
84.520