Read Sony CPD-E250 Service Manual online
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CPD-E250
Power consumption Screen Horizontal Vertical Power Recovery time Indicator
mode (video) sync signal sync signal consumption
mode (video) sync signal sync signal consumption
1 Normal operation active yes yes < 115W -- Green
2 Active-off (3rd mode) blank no* no* < 3 W Approx. 10 sec. Amber
3 Power-off -- -- -- 0 W (approx) -- Off
* In this mode, the signal will appear in one of three ways: The Horizontal Sync Signal alone off, the Vertical Sync Signal
alone off, or both signals off.
alone off, or both signals off.
POWER MANAGEMENT
The power saving mode complies with the VESA Display Power Management Signaling standard. Each state of power management shall be
activated by the host computer terminating the appropriate sync signals. Blanking the video must precede termination of the sync signals. The
elapsed time counter shall also be controlled by the host computer. Reactivation of the monitor shall be accomplished from the host computer by
re-establishing the normal sync signal.
activated by the host computer terminating the appropriate sync signals. Blanking the video must precede termination of the sync signals. The
elapsed time counter shall also be controlled by the host computer. Reactivation of the monitor shall be accomplished from the host computer by
re-establishing the normal sync signal.
TIMING SPECIFICATION
SELF DIAGNOSIS FUNCTION
When a failure occurs, the STANDBY/TIMER lamp will fl ash a set number of times to indicate the possible cause of the problem. If there is more
than one error, the lamp will identify the fi rst of the problem areas.
than one error, the lamp will identify the fi rst of the problem areas.
Status
Area of Failure
LED Indication
1
Failure 1
HV or +B
Amber (0.5 second)/Off (0.5 second)
2
Failure 2
H Stop, V Stop, or S Connection Failure
Amber (1.5 second)/Off (0.5 second)
3
Failure 3
ABL
Amber (0.5 second)/Off (0.5 second)
4
Aging/Self Test
Amber (0.5 second)/Off (0.5 second)/
Green (0.5 second)/Off (0.5 second)
Green (0.5 second)/Off (0.5 second)
MODE
Test Mode
1
2
3
4
5
6
7
8
9
Resolution (H x V)
640 X 480
832 X 624
720 X 400
800 X 600
1024 X 768
1024 X 768
1280 X 1024
Dot Clock (MHz)
25.175
57.283
28.322
56.250
78.750
94.500
135.000
HORIZONTAL
Hor. Freq. (kHz)
31.469
49.725
31.469
53.674
60.023
68.677
79.976
H-Total
31.778
20.111
31.777
18.631
16.660
14.561
12.504
H-Blanking
6.356
5.586
6.355
4.409
3.657
3.725
3.022
H-Front Porch
0.636
0.559
0.636
0.569
0.203
0.508
0.119
H-Sync.
3.813
1.117
3.813
1.138
1.219
1.016
1.067
H-Back Porch
1.907
3.910
1.907
2.702
2.235
2.201
1.837
H-Active
25.422
14.524
25.422
14.222
13.003
10.836
9.481
(µsec)
VERTICAL
Ver. Freq. (Hz)
59.940
10
74.550
70.087
85.061
75.029
84.997
75.025
V-Total
525
667
449
631
800
808
1066
V-Blanking
45
43
49
31
32
40
42
V-Front Porch
10
V-Sync.
V-Back Porch
33
39
35
27
28
36
38
V-Active
480
624
400
600
768
768
1024
(lines)
SYNC.
Int (G)
Ext (H/V)/Polarity
YES -/-
YES -/-
YES -/+
NO +/+
YES +/+
YES +/+
YES +/+
Ext (C/S)/Polarity
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
Int/Non Int
NON INT
NON INT
NON INT
NON INT
NON INT
NON INT
NON INT
TIMING SPECIFICATIONS
2
1
3
1
3
640 X 480
36.000
43.269
23.111
23.111
5.333
1.556
1.556
2.222
1.556
1.556
2.222
17.778
85.008
509
29
25
480
YES -/-
NO
NO
NON INT
1
3
12
2
1600 X 1200
202.500
93.750
10.667
10.667
2.765
0.316
0.948
1.501
7.901
0.316
0.948
1.501
7.901
75.000
1250
50
46
1200
YES +/+
NO
NO
NON INT
1
3
1
3
1
3
1
3
1280 X 1024
157.500
91.146
10.971
10.971
2.844
0.406
1.016
1.422
8.127
0.406
1.016
1.422
8.127
85.024
1.072
48
44
1024
YES +/+
NO
NO
NON INT
1
3
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