ViewSonic VX800-3 Service Manual - Page 21

V-sync Tvs V-back porch Tvb Count num Tvd (V-total) V-front porch Tvf H-sync. Polarity V-sync Polarity H-resolution (dots) V-resolution (lines) 2 4 22 23 625 628 1 1 Negative Positive Negative Positive 800 800 600 600 6 3 3 23 21 27 666 625 631 37 Positive Positive 800 600 1 1 Positive Positive Positive Positive 800 800 600 600 3 6 39 29 667 806 1 3 Negative Negative Negative Negative 832 1024 624 768 15 Signal name Symbo XGA l H-frequency (kHz) 56.476 V-frequency (Hz) 70.069 Pixel rate (MHz) 75.000 H-sync Ths 136 H-back porch Thb 144 Count num (H-total) Thd 1328 H- front porch Thf 24 V-sync Tvs 6 V-back porch Tvb 29 Count num (V-total) Tvd 806 V-front porch Tvf 3 H-sync. Polarity Negative V-sync Polarity Negative H-resolution (dots) 1024 V-resolution (lines) 768 16 XGA 17 XGA 58.099 60.023 72.082 75.029 78.084 78.750 136 96 160 176 1344 1312 24 16 6 3 29 28 806 800 3 1 Negative Positive Negative Positive 1024 1024 768 768 18 XGA 19 SXGA 68.677 63.981 84.997 60.02 94.500 108 96 112 208 248 1376 1688 48 48 3 3 36 38 808 1066 1 1 Positive Positive Positive Positive 1024 1280 768 1024 20 720P 21 SXGA 79.976 45.000 75.025 60.00 135 74.250 40 144 270 248 1658 1688 60 16 5 3 20 38 750 1066 5 1 Positive Negative Positive Negative 1280 1280 1024 720 ViewSonic Corporation 27! Confidential - Do Not Copy VX800-3