Service manual

MCM 21T1
– 4 –
TIMING SPECIFICATION
MODE AT PRODUCTION MODE 1 MODE 2 MODE 3
MODE FOR CUSTOMER VGA E-VGA VGA VESA VESA SNI-100Hz VESA VESA SNI-100Hz MGA
RESOLUTION 720 X 400 720 X 400 640 X 480 640 X 480 640 X 480 640 X 480 800 X 600 800 X 600 800 X 600 800 X 600
CLOCK 28.325 MHz 36.082 MHz 25.175 MHz 31.500 MHz 36.000 MHz 40.500 MHz 49.500 MHz 56.250 MHz 67.500 MHz 81.000 MHz
— HORIZONTAL —
H-FREQ 31.472 kHz 37.822 kHz 31.469 kHz 37.5 kHz 43.269 kHz 50.625 kHz 46.875 kHz 53.674 kHz 63.92 kHz 76.705 kHz
usec usec usec usec usec usec usec usec usec usec
H. TOTAL 31.774 26.44 31.778 26.667 23.111 19.753 21.333 18.631 15.644 13.037
H. BLK 6.355 6.485 6.356 6.349 5.333 3.951 5.172 4.409 3.793 3.16
H. FP 0.635 0.748 0.636 0.508 1.556 0.395 0.323 0.569 0.474 0.395
H. SYNC 3.813 1.247 3.813 2.032 1.556 1.58 1.616 1.138 0.948 1.185
H. BP 1.906 4.49 1.907 3.81 2.222 1.975 3.232 2.702 2.37 1.58
H. ACTIV 25.419 19.955 25.422 20.317 17.778 15.802 16.162 14.222 11.852 9.877
— VERTICAL —
V. FREQ(HZ) 70.094 Hz 84.236 Hz 59.94 Hz 75 Hz 85.008 Hz 100.049 Hz 75 Hz 85.061 Hz 100.032 Hz 120.038 Hz
lines lines lines lines lines lines lines lines lines lines
V. TOTAL 449 449 525 500 509 506 625 631 639 639
V. BLK 49 49 45 20 29 26 25 31 39 39
V. FP 13 9 10 1 1 1 1 1 1 2
V. SYNC 2 3 2 3 3 3 3 3 3 3
V. BP 34 37 33 16 25 22 21 27 35 34
V. ACTIV 400 400 480 480 480 480 600 600 600 600
— SYNC —
INT(G) NO NO NO NO NO NO NO NO NO NO
EXT(H/V)/POLARITY YES N/P YES N/P YES N/N YES N/N YES N/N YES N/N YES P/P YES P/P YES P/P YES N/N
EXT(CS) /POLARITY NO NO NO NO NO NO NO NO NO NO
INT/NON INT NON INT NON INT NON INT NON INT NON INT NON INT NON INT NON INT NON INT NON INT
SIZE(21") 388x291 mm 388x291 mm 388x291 mm 388x291 mm 388x291 mm 388x291 mm 388x291 mm 388x291 mm 388x291 mm 388x291 mm
MODE AT PRODUCTION MODE 4 MODE 5 MODE 6 MODE 7 MODE 8 MODE 9
MODE FOR CUSTOMER VESA SNI-100Hz MGA VESA SNI-110Hz VESA VESA SNI-100Hz VESA VESA
RESOLUTION 1024 X 768 1024 X 768 1024 X 768 1152 X 864 1152 X 864 1280 X 1024 1280 X 1024 1280 X 1024 1600 X 1200 1600 X 1200
CLOCK 94.5 MHz 111.2 MHz 131 MHz 108 MHz 157 MHz 135 MHz 157.5 MHz 184.9 MHz 202.5 MHz 229.5 MHz
— HORIZONTAL —
H-FREQ 68.677 kHz 80.814 kHz 97.47 kHz 67.5 kHz 100.128 kHz 79.976 kHz 91.146 kHz 107 kHz 93.75 kHz 106.25 kHz
usec usec usec usec usec usec usec usec usec usec
H. TOTAL 14.561 12.374 10.26 14.815 9.987 12.504 10.971 9.346 10.667 9.412
H. BLK 3.725 3.165 2.443 4.148 2.65 3.022 2.844 2.423 2.765 2.44
H. FP 0.508 0.288 0.244 0.593 0.204 0.119 0.406 0.173 0.316 0.279
H. SYNC 1.016 1.151 0.977 1.185 0.815 1.067 1.016 0.692 0.948 0.837
H. BP 2.201 1.727 1.221 2.37 1.631 1.837 1.422 1.558 1.501 1.325
H. ACTIV 10.836 9.209 7.817 10.667 7.338 9.481 8.127 6.923 7.901 6.972
— VERTICAL —
V. FREQ(HZ) 84.997 Hz 99.894 Hz 120.334 Hz 75 Hz 110.03 Hz 75.025 Hz 85.024 Hz 99.91 Hz 75 Hz 85 Hz
lines lines lines lines lines lines lines lines lines lines
V. TOTAL 808 809 810 900 910 1066 1072 1071 1250 1250
V. BLK 40 41 42 36 46 42 48 47 50 50
V. FP 1221211211
V. SYNC 3 3 3 3 3 3 3 3 3 3
V. BP 36 36 37 32 41 38 44 42 46 46
V. ACTIV 768 768 768 864 864 1024 1024 1024 1200 1200
— SYNC —
INT(G) NO NO NO NO NO NO NO NO NO NO
EXT(H/V)/POLARITY YES P/P YES N/N YES N/N YES P/P YES N/N YES P/P YES P/P YES P/P YES P/P YES P/P
EXT(CS) /POLARITY NO NO NO NO NO NO NO NO NO NO
INT/NON INT NON INT NON INT NON INT NON INT NON INT NON INT NON INT NON INT NON INT NON INT
SIZE(21") 388X291 mm 388X291 mm 388X291 mm 388X291 mm 388X291 mm 364X291 mm 364X291 mm 364X291 mm 388X291 mm 388X291 mm
’98.06.05 Ver.