HP L1940 Service Manual page 64

64
HP L1940
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MODE NO.
RESOLUTION
Dot clock(MHz)
f h
A ( us )
B ( us )
C ( us )
D ( us )
E ( us )
f v
O (ms )
P ( ms )
Q (ms )
R ( ms )
S ( ms )
SYNC. H/V
POLARITY
SEP . SYNC
A : H-Total
B : H- Sync width
C : H- Back porch
D : H- Video width
E : H- Front porch
3.3.3Horizontal scanning
3.3.4
3.4
3.5
2004-08-31
Jacky Lee
GENERAL PRODUCT SPECIFICATION(Continued)
13
1152 x 900
105.56
71.713kHz
13.945 (1472dots)
0.909 ( 96 dots)
1.970 ( 208 dots)
10.913 ( 1152 dots)
0.152 ( 16 dots)
76Hz
13.15 (943 lines)
0.112 ( 8 lines)
0.46 ( 33 lines)
12.55 (900 lines)
0.028 ( 2 lines)
- / -
Y
O
P
Q
R
S
Sync polarity : Positive or Negative
Scanning frequency : 30 - 83 K Hz
Vertical scanning
Sync polarity : Positive or Negative
Scanning frequency : 56 - 76 Hz
Power input connection
Power cord length : 1.8 M
Power cord type : 3 leads power cord with protective earth plug.
Power management
19 inch LCD Monitor
TYPE : EJ6B50/02
BRAND : HP L1940
2004-08-31
14
1280 x 1024
108
64kHz
15.63 (1688 dots) 13.949 (1632 dots)
1.037 ( 112 dots) 0.957 (112 dots)
2.296 ( 248 dots) 1.915 (224 dots)
11.852 ( 1280 dots) 10.94 (1280 dots)
0.445 ( 48 dots) 0.137 (16 dots)
60Hz
16.661 (1066 14.883 (1067lines)
lines)
0.047 ( 3 lines) 0.112 ( 8 lines)
0.594 ( 38 lines) 0.46 ( 33 lines)
16.005 (1024 14.283 (1024 lines)
lines)
0.015 ( 1 line) 0.028 (2 lines )
+ / +
Y
: V-Total
: V- Sync width
: V- Back porch
: V- Video width
: V- Front porch
8639 000 15804
590
28
15
1280 x 1024
117
71.7kHz
75Hz
+ / +
Y
14