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Fabricant : Compaq
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SCC-L07E-A D-1H CHASSIS SPECIFICATIONS 0.25 mm aperture grill pitch Power Consumption 17 inches measured diagonally Maximum 115W 90-degree deflection Nominal 100W, 341 BTU/h (16" maximum viewing image) Deflection frequency Horizontal: 30 to 85 KHz Approx. 329.5 x 243 mm (w/h) Vertical: 50 to150 Hz (13 x 9 5/8 inches) AC input voltage / current 100 to 120 V, 50/60 Hz, 1.8 A Horizontal: Max. 1280 dots 220 to 240V, 50/60Hz, 1A Vertical: Max. 1024 lines (at 75 Hz Refresh Rates) Dimensions 424 x 422 x 428 (w/h/d) (16.7 x 16.6 x 16.9 inches) Approx. 306 x 230 mm (w/h)(Mode 1-13) Approx. 294 x 231 mm (w/h)(Mode 14-15) Mass Approx. 18.48 kg (40.8 lb.) Analog RGB (75 ohms typical) 0.7 Vp-p, Positive External HD/VD, Composite Design and specifications are subject to change without notice. Polarity Free TTL Video Composite (Sync on Green) 0.286 Vp-p, Negative COLOR MONITOR P75 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: NOTE: If no video signal is input to the monitor, the "NO INPUT SIGNAL" message 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 resumes normal operation mode. State Power Consumption Required Recovery Time u uuuu Power Indicator 1 Normal Operation < 110W ````` Green on 2 Standby (1st mode) < 15W approx. 3 sec. Yellow 3 Suspend (2nd mode) < 15W approx. 3 sec. Yellow 4 Active-off (3rd mode) <8W approx. 10 sec. Amber 5 Power-off 0W ````` Off 6 Failure mode ````` ````` Orange flashing TIMING SPECIFICATION MODE 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Resolution (H x V) 640x350 640X480 640x480 640x480 720x400 800x600 800x600 800x600 832x624 1024x768 1024x768 1024x768 1152x870 1280x1024 1280x1024 Dot Clock (MHz) 25.175 25.175 31.500 36.000 28.321 40.000 49.500 56.250 57.283 65.000 78.750 94.500 100.000 108.000 135.000 HORIZONTAL Hor. Freq. (kHz) 31.469 31.469 37.500 43.269 31.468 37.879 46.875 53.674 49.725 48.363 60.023 68.677 68.681 63.981 79.976 H-Total 31.778 31.778 26.667 23.111 31.779 26.400 21.333 18.631 20.111 20.677 16.660 14.561 14.560 15.630 12.504 H-Blanking 6.356 6.356 6.349 5.333 6.356 6.400 5.172 4.409 5.586 4.923 3.657 3.725 3.040 3.778 3.022 H-Front Porch 0.636 0.636 0.508 1.556 0.636 1.000 0.323 0.569 0.559 0.369 0.203 0.508 0.320 0.444 0.119 H-Sync. 3.813 3.813 2.032 1.556 3.813 3.200 1.616 1.138 1.117 2.092 1.219 1.016 1.280 1.037 1.067 H-Back Porch 1.907 1.907 3.810 2.222 1.907 2.200 3.232 2.702 3.910 2.462 2.235 2.201 1.440 2.296 1.837 H-Active (msec) 25.422 25.422 20.317 17.778 25.423 20.000 16.162 14.222 14.524 15.754 13.003 10.836 11.520 11.852 9.481 VERTICAL Ver. Freq. (Hz) 70.086 59.940 75.000 85.008 70.084 60.317 75.000 85.061 74.550 60.004 75.029 84.997 75.062 60.020 75.025 V-Total 449 525 500 509 449 628 625 631 667 806 800 808 915 1066 1066 V- Blanking 99 45 20 29 49 28 25 31 43 38 32 40 45 42 42 V-Front Porch 38 10 1 1 12 1 1 1 1 3 1 1 3 1 1 V-Sync. 2 2 3 3 2 4 3 3 3 6 3 3 3 3 3 V- Back Porch 59 33 16 25 35 23 21 27 39 29 28 36 39 38 38 V-Active (lines) 350 480 480 480 400 600 600 600 624 768 768 768 870 1024 1024 SYNC. Int(G) NO NO NO NO NO NO NO NO NO NO NO NO NO NO NO Ext(H/V)/Polarity YES +/ YES -/ YES -/ YES -/ YES -/+ YES +/+ YES +/+ YES +/+ YES -/ YES -/ YES +/+ YES +/+ YES -/ YES +/+ YES +/+ Ext (CS)/Polarity NO 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 Non Int Non Int Non Int Non Int Non Int Non Int Non Int Non Int — 2 — P75 SAFETY CHECK-OUT After correcting the original service problem, perform the following safety checks before releasing the set to the customer: 1. Check the area of your repair for unsoldered or poorly-soldered connections. Check the entire board surface for solder splashes and bridges. 2. Check the interboard wiring to ensure that no wires are “pinched” or contact high-wattage resistors. 3. Check that all control knobs, shields, covers, ground straps, and mounting hardware have been replaced. Be absolutely certain that you have replaced all the insulators. 4. Look for unauthorized replacement parts, particularly transistors, that were installed during a previous repair. Point them out to the customer and recommend their replacement. 5. Look for parts which, though functioning, show obvious signs of deterioration. Point them out to the customer and recommend their replacement. 6. Check the line cords for cracks and abrasion. Recommend the replacement of any such line cord to the customer. 7. Check the B+ and HV to see if they are specified values. Make sure your instruments are accurate; be suspicious of your HV meter if sets always have low HV. 8. Check the antenna terminals, metal trim, “metallized" knobs, screws, and all other exposed metal parts for AC Leakage. Check leakage as d...