Philips 170A7, Service Manual

Page: 86 / 96

17” LCD Color Monitor
86
3.3 Timing requirement
3.3.1 Mode storing capacity
Factory preset modes : 17
Preset modes : 33
3.3.1.1 Factory preset modes:
Ite
m
H.Freq.
(KHz)
Mode Resolution V.Freq.
(Hz)
Ite
m
H.Freq.
(KHz)
Mode Resolution V.Freq.
(Hz)
1 31.469 DOS 720x400 70.087 11 60.023 VESA 1024x768 75.029
2 31.469 VESA 640x480 59.940 12 67.500 VESA 1152x864 75.000
3 37.861 VESA 640x480 72.809 13 60.000 VESA 1280x960 60.000
4 37.500 VESA 640x480 75.000 14 63.981 VESA 1280x1024 60.020
5 35.156 VESA 800x600 56.250 15 79.976 VESA 1280x1024 75.025
6 37.879 VESA 800x600 60.317 16 35.000 MACINTOSH 640x480 67.000
7 48.077 VESA 800x600 72.188 17 49.700 MACINTOSH 832x624 75.000
8 46.875 VESA 800x600 75.000 18
9 48.363 VESA 1024x768 60.004 19
10 56.476 VESA 1024x768 70.069 20
3.3.1.2
Preset Modes
MODE NO. 1 2 3 4
RESOLUTION 640 x 350 720 x 400 640 x 480 640 x 480
Dot clock (MHz) 25.175 28.321 25.175 30.24
f h 31.469kHz 31.468kHz 31.5kHz 35 kHz
A ( us ) 31.778(800 dots) 31.78(900dots) 31.778(800 dots) 28.571 (864 dots)
B ( us ) 3.813(96 dots) 3.813(108dots) 3.813(96 dots) 2.116 (64 dots)
C ( us ) 1.907(48 dots) 1.907(54dots) 1.907(48 do 3.175(96 dots)
D ( us ) 25.422(640 dots) 25.42(720dots) 25.422(640 dots) 21.164(640 dots)
E ( us ) 0.636(16 dots) 0.636(18dots) 0.636(16 dots) 2.116(64 dots)
f v 70Hz(70.09) 70Hz(70.085) 60Hz 67Hz
O (ms ) 14.27(449 lines) 14.27(449 lines) 16.683 (525 lines) 15 (525 lines)
P ( ms ) 0.064(2 lines) 0.064(2 lines) 0.064 (2 lines) 0.086(3 lines)
Q (ms ) 1.907(60 lines) 1.080(34 lines) 1.049 (33 lines) 1.114(39 lines)
R ( ms ) 11.12(350 lines) 12.71(400 lines) 15.253 (480 lines) 13.714(480 lines)
S ( ms ) 1.175(37 lines) 0.381(13 lines) 0.317 (10 line) 0.086(3 line)
SYNC. H/V +/- -/+ - / - - / -
POLARITY
SEP . SYNC Y Y Y Y