Power Saving Function; Timing Specification - HP D2846 Service Manual

POWER SAVING FUNCTION

DIAGNOSIS
Failre
+B failure
Horizontal / Vertical Deflection failure,
Thermal protector
ABL protector
HV failure
Aging / Self Test
Aging Mode (Video Aging) : During Power Save, press "MENU" key for longer than 2 second.
Self Test (OSD Color Bar) : During Power Save, press "CONTRAST" + (>) key for longer than 2 second.
Reliability Check Mode : During Power Save, press "CONTRAST" – (.) key for longer than 2 second.

TIMING SPECIFICATION

MODE AT PRODUCTION MODE 1 MODE 2
RESOLUTION 640 X 400 640 X 480
CLOCK 25.175 MHz 36.000 MHz 56.250 MHz 78.750 MHz 94.500 MHz 135.000 MHz 135.000 MHz 157.500 MHz 202.500 MHz 229.500 MHz
—HORIZONTAL—
H-FREQ 31.469 kHz 43.269 kHz 53.674 kHz 60.023 kHz 68.677 kHz 78.125 kHz 79.976 kHz 91.146 kHz 93.750 kHz 106.250 kHz
usec usec
H. TOTAL 31.778 23.111
H. BLK 6.356 5.333
H. FP 0.636 1.556
H. SYNC 3.813 1.556
H. BP 1.907 2.222
H. ACTIV 25.422 17.778
— VERTICAL —
V. FREQ(HZ) 69.931 Hz 85.008 Hz 85.061 Hz 75.029 Hz 84.997 Hz 72.005 Hz 75.025 Hz 85.024 Hz 75.000 Hz 85.000 Hz
lines lines
V. TOTAL 450 509
V. BLK 50 29
V. FP 12 1
V. SYNC 2 3
V. BP 36 25
V. ACTIV 400 480
— SYNC —
INT(G) NO NO
EXT(H/V)/POLARITY YES N/P YES N/N
EXT(CS)/POLARITY NO NO
INT/NON INT NON INT NON INT NON INT NON INT NON INT NON INT NON INT NON INT NON INT NON INT
→
Yellow Off
(0.5 sec) (0.5 sec)
→
Yellow Off
(1.5 sec) (0.5 sec)
→
Yellow Off
(0.5 sec) (1.5 sec)
→
Yellow Off
(0.25 sec) (0.5 sec)
→
Yellow Off
(0.5 sec) (0.5 sec)
MODE 3 MODE 4 MODE 5 MODE 6
800 X 600 1024 X 768 1024 X 768 1280 X 1024 1280 X 1024 1280 X 1024 1600 X 1200 1600 X 1200
usec usec usec usec
18.631 16.660 14.561 12.800
4.409 3.657 3.725 3.319
0.569 0.203 0.508 0.474
1.138 1.219 1.016 1.422
2.702 2.235 2.201 1.422
14.222 13.003 10.836 9.481
lines lines lines lines
631 800 808 1085
31 32 40 61
1 1 1 3
3 3 3 3
27 28 36 55
600 768 768 1024
NO NO NO YES
YES P/P YES P/P YES P/P NO
NO NO NO NO
– 3 –
Power LED
→ →
Yellow Off
(0.25 sec) (1.25 sec)
→ →
Green Off
(0.5 sec) (0.5 sec)
MODE 7 MODE 8 MODE 9 MODE 10
usec usec usec usec
12.504 10.971 10.667 9.412
3.022 2.844 2.765 2.44
0.119 0.406 0.316 0.279
1.067 1.016 0.948 0.837
1.837 1.422 1.501 1.325
9.481 8.127 7.901 6.972
lines lines lines lines
1066 1072 1250 1250
42 48 50 50
1 1 1 1
3 3 3 3
38 44 46 46
1024 1024 1200 1200
NO NO NO NO
YES P/P YESP/P YES P/P YES P/P
NO NO NO NO
97.9.19 VER.
D2846