Power Saving Function - Sony CPD-2003GT Service Manual

CPD-2003GT

POWER SAVING FUNCTION

This monitor has three Power Saving modes.
By sensing the absence of a video signal from the
computer, it reduces power consumption as follows:
State
1 Normal Operation
2 Standby (1st mode)
3 Suspend (2nd mode)
4 Active-off (3rd mode)
5 Power-off
6 Failure mode
TIMING SPECIFICATION
MODE 1
Resolution (H x V) 640 x 480
Dot Clock (MHz) 2 5 . 1 7 5
HORIZONTAL
Hor. Freq. (kHz) 3 1 . 4 6 9
H-Total 3 1 . 7 7 8
H-Blanking 6 . 3 5 6
H-Front Porch 0 . 6 3 6
H-Sync. 3 . 8 1 3
H-Back Porch 1 . 9 0 7
H-Active 2 5 . 4 2 2
( µ sec)
VERTICAL
Ver. Freq. (Hz) 5 9 . 9 4 0
V-Total
V-Blanking
V-Front Porch
V-Sync.
V-Back Porch
V-Active
( l i n e s )
SYNC.
Int (G)
Ext (H/V)/Polarity Yes -/-
Ext (CS)/Polarity
Int/Non Int Non Int
P o w e r
Consumption
< 110W
< 15W
< 15W
< 8W
0 W
2 3
720 X 400 640 X 480 800 x 600
2 8 . 3 2 2 3 6 . 0 0 0 4 9 . 5 0 0
3 1 . 4 6 9 4 3 . 2 6 9 4 6 . 8 7 5
3 1 . 7 7 7 2 3 . 1 1 1 2 1 . 3 3 3
6 . 3 5 5 5 . 3 3 3
0 . 6 3 6 1 . 5 5 6
3 . 8 1 3 1 . 5 5 6
1 . 9 0 7 2 . 2 2 2
2 5 . 4 2 2 1 7 . 7 7 8 1 6 . 1 6 2
7 0 . 0 8 7 8 5 . 0 0 8 7 5 . 0 0 0
5 2 5 4 4 9 5 0 9
4 5 4 9 2 9
1 0 1 2 1
2 2 3
3 3 3 5 2 5
4 8 0 4 0 0 4 8 0
No No No
Yes -/+ Yes -/- Yes +/+
No No No
Non Int Non Int
If no video signal is input to the monitor, the
NOTE:
"NO INPUT SIGNAL" mesage appears. After
about 30 seconds, the Power Saving function
automatically puts the monitor into active-off
mode and the indicator lights up orange. Once
the monitor detects horizontal and vertical
sync signals, the monitor automatically re-
sumes normal operation mode.
Required
recovery time
approx. 3 sec.
approx. 3 sec.
approx. 10 sec.
4 5 6
800 x 600 1024 X 768 1024 x 768 1024 x 768 1280 X 1024 1280 x 1024
5 6 . 2 5 0 6 5 . 0 0 0
5 3 . 6 7 4 4 8 . 3 6 3
1 8 . 6 3 1 2 0 . 6 7 7
5 . 1 7 2 4 . 4 0 9 4 . 9 2 3
0 . 3 2 3 0 . 5 6 9 0 . 3 6 9
1 . 6 1 6 1 . 1 3 8 2 . 0 9 2
3 . 2 3 2 2 . 7 0 2 2 . 4 6 2
1 4 . 2 2 2 1 5 . 7 5 4
8 5 . 0 6 1 6 0 . 0 0 4
6 2 5 6 3 1 8 0 6
2 5 3 1 3 8
1 1 3
3 3 6
2 1 2 7 2 9
6 0 0 6 0 0 7 6 8
No No No
Yes +/+ Yes -/-
No No No
Non Int Non Int Non Int
— 2 —
Power Indicator
Green on
Green and orange
alternate
Green and orange
alternate
Orange
Off
Orange flashing
7 8 9
7 8 . 7 5 0 9 4 . 5 0 0 1 0 8 . 0 0 0
6 0 . 0 2 3 6 8 . 6 7 7 6 3 . 9 8 1
1 6 . 6 6 0 1 4 . 5 6 1 1 5 . 6 3 0
3 . 6 5 7 3 . 7 2 5 3 . 7 7 8
0 . 2 0 3 0 . 5 0 8 0 . 4 4 4
1 . 2 1 9 1 . 0 1 6 1 . 0 3 7
2 . 2 3 5 2 . 2 0 1 2 . 2 9 6
1 3 . 0 0 3 1 0 . 8 3 6 1 1 . 8 5 2
7 5 . 0 2 9 8 4 . 9 9 7 6 0 . 0 2 0
8 0 0 8 0 8 1 0 6 6
3 2 4 0 4 2
1 1 1
3 3 3
2 8 3 6 3 8
7 6 8 7 6 8 1 0 2 4
No No No
Yes +/+ Yes +/+ Yes +/+
No No No
Non Int Non Int Non Int
1 0
1 3 5 . 0 0 0
7 9 . 9 7 6
1 2 . 5 0 4
3 . 0 2 2
0 . 1 1 9
1 . 0 6 7
1 . 8 3 7
9 . 4 8 1
7 5 . 0 2 5
1 0 6 6
4 2
1
3
3 8
1 0 2 4
No
Yes +/+
No
Non Int