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Signal Timing Chart - Hitachi H972 Service Manual

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SIGNAL TIMING CHART

Signal
CM771U-511
CM771ET-301
CM772U-511
CM772ET-301
1
Video
Type
Voltage
Set Up
2
Sync
Type
Amp.
3
Video frequency
4
Character (Letter)
5
Horizontal
Frequency
Front
porch
Sync.
width
Back
porch
Blanking
width
Display
time
H. period
(1H)
6
Vertical
Frequency
Front
porch
Sync.
width
Back
porch
Blanking
width
Display
time
H. period
(1H)
7
Scan System
8
Signal name
* VGA is a registered trademark of International Business Machined Corporation.
* VESA is a trademark of a nonprofit organization, Video Electronics Standard Association.
VGA
640400
(70Hz)
R/G/B Analog
0.7 Vp-p
None
H/V Separate
TTL Level
(Neg./Pos.)
25.175 MHz
640 dots400 lines
800 dots600 lines
31.469 kHz
0.636 µs
(16cl)
0.569 µs
3.813 µs
(96cl)
1.138 µs
1.907 µs
(48cl)
2.702 µs
6.356 µs
(160cl)
4.409 µs
25.422 µs
(640cl)
14.222 µs
31.778 µs
(800cl)
18.631 µs
70.086 Hz
0.381 ms (12H)
0.019 ms (1H)
0.064 ms (2H)
0.056 ms (3H)
1.112 ms (35H)
0.503 ms (27H)
1.557 ms (49H)
0.578 ms (31H)
12.711 ms (400H)
11.179 ms (600H)
14.268 ms (449H)
11.756 ms (631H)
(Non-interlaced)
30B
 5 
VESA
800600
(85Hz)
R/G/B Analog
R/G/B Analog
0.7 Vp-p
None
H/V Separate
H/V Separate
TTL Level
(Pos./Pos.)
56.250 MHz
1024 dots768 lines
53.674 kHz
(32cl)
0.508 µs
(64cl)
1.016 µs
(152cl)
2.201 µs
(248cl)
3.725 µs
(800cl)
10.836 µs
(1048cl)
14.561 µs
85.061 Hz
0.015 ms (1H)
0.044 ms (3H)
0.524 ms (36H)
0.582 ms (40H)
11.183 ms (768H)
11.765 ms (808H)
(Non-interlaced)
(Non-interlaced)
54A
VESA
1024768
12801024
(85Hz)
R/G/B Analog
0.7 Vp-p
None
H/V Separate
TTL Level
TTL Level
(Pos./Pos.)
(Pos./Pos.)
94.500 MHz
157.500 MHz
1280 dots1024
68.677 kHz
91.146 kHz
(48cl)
0.406 µs
(96cl)
1.016 µs
(208cl)
1.422 µs
(352cl)
2.844 µs
(1024cl)
8.127 µs
(1376cl)
10.971 µs
84.997Hz
85.024 Hz
0.011 ms (1H)
0.033 ms (3H)
0.483 ms (44H)
0.527 ms (48H)
11.235 ms (1024H)
11.761 ms (1072H)
(Non-interlaced)
68A
VESA
(85Hz)
0.7 Vp-p
None
lines
(64cl)
(160cl)
(224cl)
(448cl)
(1280cl)
(1728cl)
91A

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