Hitachi CM721FET, Service Manual

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J-8. Power Saving Function Check
The power source is 230Vac input
When the sync signal is removed, the monitor should enter suspend-mode and then off-mode.
When power saving, the power consumption of monitor should be less than: suspend mode 8w off-mode
The monitor recovering time from suspend-mode or off-mode to on-mode should be less than 5 seconds.
TABLE 1
TIMMING MODE PATTERN
1. 64K 51 CROSSHATCH
2. 37.8K/60HZ
51 CROSSHATCH
3. 60K Full-white
4. 60K
5
×
2
″
squares
5. 80K “me”
6. 80K
5
×
2
″
squares
PRESET MODES TABLE 2
MODE H Pixes
V Lines Fd (MHz)
Polar (H/V)
Fh (KHz)
Fv (Hz)
F: Th (us)
F: Tv (ms)
D: Td (us)
D: Td (ms)
C: Tb (us)
C: Tb (ms)
B: Tp (us)
B: Tp (ms)
A: Tf (us)
A: Tf (ms)
d: dot d: display b: back porch p: pulse f: front
1
VGA60 640
480
25.175
N/N 31.469
59.941 31.778
16.683 25.422
15.253 1.907
1.048 3.813
0.064 0.636
0.318
2
VESA75 640
480
31.5
N/N 37.5
75 26.67
13.33 20.317
12.8 3.81
0.427 2.032
0.08 0.508
0.026
3
VGA70 720
400
28.322
N/P 31.47
70.09 31.78
14.27 25.422
12.711 1.907
1.112 3.813
0.064 0.636
0.381
4
VESA60 800
600
40
P/P 37.88
60.32 26.4
16.58 20
15.84 2.2
0.607 3.2
0.106 1
0.025
5
VESA85 800
600
56.25
P/P 53.674
85.061 18.631
11.756 14.222
11.179 2.702
0.503 1.138
0.056 0.569
0.019
6
VESA60 1024
768
65
N/N 48.36
60 20.68
16.67 15.754
15.88 2.462
0.6 2.092
0.124 0.369
0.063
7
VESA75
1024
768 78.75
P/P 60.023
75.029 16.66
13.328 13.003
12.795 2.235
0.466 1.219
0.05 0.203
0.017
8
VESA85
1024
768 94.5
P/P 68.677
84.997 14.561
11.765 10.836
11.183 2.201
0.524 1.016
0.044 0.508
0.014
9
VESA60 1280
1024
108
P/P 63.981
60.02 15.63
16.661 11.852
16.005 2.296
0.594 1.037
0.047 0.444
0.016
10 VESA75 1280
1024
135
P/P 79.976
75.025 12.504
13.329 9.481
12.804 1.837
0.475 1.067
0.038 0.119
0.013
11 VESA85
(primary)
1280
1024 157.5
P/P 91.146
85.024 10.971
11.761 8.127
11.235 1.422
0.483 1.016
0.033 0.406
0.011
12 VESA75 1600
1200
202.5
P/P 93.75
75 10.667
13.333 7.901
12.80 1.501
0.491 0.948
0.032 0.316
0.011
A: Back Porch (us) B: Display Time (us)
C: Front Porch (us) D: Sync Width (us)
F: Back Porch (ms) G: Display Time (ms)
H: Front Porch (ms) I: Sync Width (ms)