Philips 109B7, Service Manual

Page: 75 / 90

19” CDT Color Monitor 109B7
75
2.5.2 Preload video timings
Timing 7. 8.
Resolution 1280 x 1024 1280 x 1024
Pixel clock
135.000 MHz 157.500 MHz
H. Frequency 79.976 kHz 91.146 kHz
H. Total
12.504 us 10.971 us
H. Active display
9.487 us 8.127 us
H. Back porch
1.837 us 1.422 us
H. Sync. Width
1.067 us 1.016 us
V. Frequency 75.024 Hz 85.024 Hz
V. Total display
13.329 ms 11.761 ms
V. Active display
12.804 ms 11.234 ms
V. Back porch
0.475 ms 0.483 ms
V. Sync. Width
0.038 ms 0.033 ms
H/V sync
polarity
+ / + + / +
Timing 1. 2. 3.
Resolution 640 x 350 640 x 480 640 x 480
Pixel clock
25.175 MHz 31.500 MHz 40.500 MHz
H. Frequency 31.469 kHz 37.500 kHz 50.628 kHz
H. Total
31.778 us 26.667 us 19.752 us
H. Active display
25.422 us 20.317 us 15.802 us
H. Back porch
1.907 us 3.810 us 1.975 us
H. Sync. Width
3.813 us 2.032 us 1.580 us
V. Frequency 70.087 Hz 75.000 Hz 100.10 Hz
V. Total display
14.268 ms 13.333 ms 9.995 ms
V. Active display
11.122 ms 12.800 ms 9.481 ms
V. Back porch
1.907 ms 0.427 ms 0.435 ms
V. Sync. Width
0.064 ms 0.080 ms 0.059 ms
H/V sync
polarity
+ / - - / - - / -
Timing 4. 5. 6.
Resolution 800 x 600 800 x 600 800 x 600
Pixel clock
40.000 MHz 50.000 MHz 67.500 MHz
H. Frequency 37.879 kHz 48.077 kHz 63.923 kHz
H. Total
26.400 us 20.800 us 15.644 us
H. Active display
20.000 us 16.000 us 11.852 us
H. Back porch
2.200 us 1.280 us 2.370 us
H. Sync. Width
3.200 us 2.400 us 0.948 us
V. Frequency 60.317 Hz 72.188 Hz 100.00 Hz
V. Total display
16.579 ms 13.853ms 9.997ms
V. Active display
15.840 ms 12.480 ms 9.387 ms
V. Back porch
0.607 ms 0.478 ms 0.548 ms
V. Sync. Width
0.106 ms 0.125 ms 0.047 ms
H/V sync
polarity
+ / + + / + + / +