Power Saving Function - Sony SDM-N50PS Service Manual

SDM-N50PS
DIAGNOSIS
Display part trouble
Backlight trouble
Body temperature trouble
5V voltage anomalous
3.3V voltage anomalous
*Aging mode ........................................... No input signal and press CONT key for longer than 2 second.

Power saving function

This monitor meets the power-saving guidelines set by VESA, NUTEK, and
or graphics board that is DPMS (Display Power Management Signaling) compliant, the monitor will automatically enter the power saving
mode.
Power consumption state
normal operation
power saving mode
1 (power): off
AC power: off
TIMING SPECIFICATION
PRIMARY MODE
MODE AT PRODUCTION
RESOLUTION
CLOCK 25.175 MHz
— HORIZONTAL —
H-FREQ 31.469 kHz
H. TOTAL
H. BLK
H. FP
H. SYNC
H. BP
H. ACTIV
— VERTICAL —
V. FREQ(Hz)
V. TOTAL
V. BLK
V. FP
V. SYNC
V. BP
V. ACTIV
— SYNC —
INT(G)
EXT(H/V)/POLARITY
EXT(CS)/POLARITY
INT/NON INT
Factorical preservation register
SHUTDOWN_LOG1 bit4 (16)
SHUTDOWN_LOG1 bit2 (4)
SHUTDOWN_LOG1 bit3 (8)
SHUTDOWN_LOG1 bit5 (32)
SHUTDOWN_LOG1 bit6 (64)
Power consumption
28 W
≤ 3 W
≤ 3 W
0 W
MODE 0 MODE 1
640 X 480 640 X 480 640 X 480
30.240 MHz 31.500 MHz
35.000 kHz 37.500 kHz
usec usec
31.778 28.571
6.356 7.407
0.636 2.116
3.813 2.116
1.907 3.175
25.422 21.164
59.940 Hz 66.667 Hz 75.000 Hz
lines lines
525 525
45 45
10 3
2 3
33 39
480 480
NO NO
YES N/N YES N/N
NO NO
NON INT NON INT NON INT
LED
Part of the body only
Parts of the body and the display
Parts of the body and the display
Parts of the body and the display
Parts of the body and the display
E
NERGY
AC power indicator
green
orange
red
off
MODE 2 MODE 3 MODE 4
640 X 480 720 X 400
36.000 MHz 28.350 MHz
43.269 kHz 31.500 kHz
usec usec
26.667 23.111
6.349 5.333
0.508 1.556
2.032 1.556
3.810 2.222
20.317 17.778
85.008 Hz 70.156 Hz
lines lines
500 509
20 29
1 1
3 3
16 25
480 480
NO NO
YES N/N YES N/N YES N/P
NO NO
NON INT NON INT
– 2 –
LED indicates
Red (0.5 sec) and Off (0.5 sec)
Amber (0.5 sec) and Off (1.5 sec)
Amber (1.0 sec) and Off (1.0 sec)
Amber (1.5 sec) and Off (0.5 sec)
Amber (1.5 sec) and Off (0.5 sec)
S
TAR. If the monitor is connected to a computer
1 (power) indicator
green
orange
off
off
MODE 5 MODE 6
720 X 400 720 X 480
35.500 MHz 35.573 MHz
37.927 kHz 37.683 kHz
usec usec usec
31.746 26.366 26.537
6.349 6.085 6.297
0.635 1.014 0.450
3.810 2.028 2.024
1.905 3.042 3.823
25.397 20.282 20.240
85.039 Hz 75.066 Hz
lines lines lines
449 446
49 46
12 1
3 3
34 42
400 400
NO NO
YES N/P YES N/N
NO NO
NON INT NON INT
MODE 7
720 X 480
31.505 MHz
35.162 kHz
usec
28.440
5.586
1.079
1.270
3.238
22.854
59.901 Hz
lines
502 587
22 107
2 12
3 2
17 93
480 480
NO NO
YES N/N
NO NO
NON INT