Energy 220ws8fb/00, Service Manual

Page: 62 / 77

7.6 Optical response time
Video Bandwidth: 168 MHz (dot rate)
Typical rise time(CMO) 5 ms
7.7 Protection circuit
The monitor will not be damaged by:
‰
missing vertical or horizontal sync pulse
‰
improper vertical or horizontal sync pulse (picture must be black at improper signals,
unsynchronized pictures are not allowed
)
7.8 DDC
The monitor can support DDC 2 B and DDC-CI according to the latest VESA standard.
7.8.1 DDC Details
1 User visible strings on .inf file Philips 220WS (22’’ LCD MONITOR 220WS8)
2 Manufacturer ID ( EDID data) PHL
MSB(byte 12): 08
3 Product ID, "xxxx" 4 codes
LSB (byte 11): 51
4 maximum resolution 1680x1050
5 Horizontal Frequency Range 30~93 KHz
6 Vertical Frequency Range 56~76Hz
7 Monitor Name (13 characteries max.) Philips 220WS
7.9 Timings
Factory preset modes : 16
Preset modes : 46
User modes : 24
Note: 1. Screen displays perfect picture at 16 factory-preset modes.
2. Screen displays visible picture with OSD warning when input modes are the 46 preset modes.
Factory preset modes (16 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
H-total (us) 31.778 (800 dots) 31.78 (900 dots) 31.778 (800 dots) 28.571 (864 dots)
H-sync width (us) 3.813 (96 dots) 3.813 (108 dots) 3.813 (96 dots) 2.116 (64 dots)
H-back porch (us) 1.907 (48 dots) 1.907 (54 dots) 1.907 (48 dots) 3.175 (96 dots)
H-video width (us) 25.422 (640 dots) 25.42 (720 dots) 25.422 (640 dots) 21.164 (640 dots)
H-front porch (us) 0.636 (16 dots) 0.636 (18 dots) 0.636 (16 dots) 2.116 (64 dots)
f v 70Hz (70.09) 70Hz (70.085) 60Hz (59.940) 67Hz
V-total (ms) 14.27 (449 lines) 14.27 (449 lines) 16.683 (525 lines) 15 (525 lines)
V-sync width (ms) 0.064 (2 lines) 0.064 (2 lines) 0.064 (2 lines) 0.086 (3 lines)
V-back porch (ms) 1.907 (60 lines) 1.112 (34 lines) 1.049 (33 lines) 1.114 (39 lines)
V-video width (ms) 11.12 (350 lines) 12.71 (400 lines) 15.253 (480 lines) 13.714 (480 lines)
V-front porch (ms) 1.175 (37 lines) 0.381 (13 lines) 0.317 (10 lines ) 0.086 ( 3 lines )
SYNC. H/V +/- -/+ - / - - / -
POLARITY
SEP . SYNC Y Y Y Y
62 220WS8 LCD