AOC QDI TFT1780PSA Service Manual Download Page 20 | Manualshive

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AOC QDI TFT1780PSA Service Manual Download Page 20

17” LCD Color Monitor QDI TFT1780PSA

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6.2 Power Board

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Summary of Contents for QDI TFT1780PSA

Page 1: ...NTAINING HIGH VOLTAGES Table Of Contents 1 Revision List 2 1 Monitor Specification 3 2 LCD Monitor Description 4 3 Operation Instruction 5 3 1 General Instructions 5 3 2 Control Button 5 3 3 Adjusting...

Page 2: ...17 LCD Color Monitor QDI TFT1780PSA 2 Revision List Revision Date Revision History TPV Model A00 Jul 20 06 Initial Release T782KACHBPG2A...

Page 3: ...tion 1280 1024 75Hz Plug Play VESA DDC1 2BTM ON Mode 45W EPA ENERGY STAR OFF Mode 3W Input Connector 15 pin D Sub Input Video Signal Analog 0 7Vp p standard 75 OHM Positive Maximum Screen Size Horizon...

Page 4: ...ightness control logic and DDC The power board will provide AC to DC Inverter voltage to drive the backlight of panel and the main board chips each voltage Monitor Block Diagram HOST Computer AC IN 10...

Page 5: ...nel of the monitor By changing these settings the picture can be adjusted to your personal preferences The power cord should be connected Connect the video cable from the monitor to the video card Pre...

Page 6: ...e Auto Adjustment function is used to set the HPos VPos Clock and Focus Power Indicator Green Power On mode Orange Off mode NOTES Do not install the monitor in a location near heat sources such as rad...

Page 7: ...to activate the highlighted function 4 Press or to change the settings of the current function 5 When the OSD window is active it shows the input signal timing The H stands for the horizontal frequenc...

Page 8: ...x400 70Hz 10 Red Adjusts Red intensity 11 Green Adjusts Green intensity 12 Blue Adjusts Blue intensity 13 C1 Warm Color Set the color temperature to warm white 14 C2 Cool Color Set the color temperatu...

Page 9: ...des Standard Resolution Horizontal Frequency Vertical Frequency Dos mode 720 400 31 47kHz 70Hz 640 480 31 47kHz 60Hz 640 480 35 00kHz 66 6Hz 640 480 37 50kHz 75Hz VGA 640 480 37 86kHz 72Hz 800 600 37...

Page 10: ...17 LCD Color Monitor QDI TFT1780PSA 10 4 3 Panel Specification 4 3 1 Features 4 3 2 Display Characteristics...

Page 11: ...17 LCD Color Monitor QDI TFT1780PSA 11 4 3 3 Optical Characteristics...

Page 12: ...17 LCD Color Monitor QDI TFT1780PSA 12 5 Schematic 5 1 Main Board...

Page 13: ...17 LCD Color Monitor QDI TFT1780PSA 13...

Page 14: ...17 LCD Color Monitor QDI TFT1780PSA 14...

Page 15: ...17 LCD Color Monitor QDI TFT1780PSA 15...

Page 16: ...17 LCD Color Monitor QDI TFT1780PSA 16 5 2 Power Board...

Page 17: ...17 LCD Color Monitor QDI TFT1780PSA 17...

Page 18: ...17 LCD Color Monitor QDI TFT1780PSA 18 6 PCB Layout 6 1 Main Board...

Page 19: ...17 LCD Color Monitor QDI TFT1780PSA 19...

Page 20: ...17 LCD Color Monitor QDI TFT1780PSA 20 6 2 Power Board...

Page 21: ...17 LCD Color Monitor QDI TFT1780PSA 21...

Page 22: ...O99 LABEL 40G 58162435A LABEL 40G 581689 4A SERIAL LABEL FOR MONIT 41G170060823C MANUAL 41G7800608 9B WARRANTY BOOKLET 44G3231 15 EVA WASHER 44G3705 1 EPS 44G3705 2 EPS 44GS705608 1B CARTON 45G 76 28...

Page 23: ...2 0mm CN401 33G8022 6A H HEADER FEMALE 6P CN402 33G8022 6A H HEADER FEMALE 6P CN403 33G3802 9H WAFER 9P RIGHT ANELE P U202 56L1133 42AL7 A2900117 70 X201 93G 22 53 CRYSTAL 14 318MHzHC 49 715L 972 1 6...

Page 24: ...00N C226 65G0603104 12 CER2 0603 X7R 16V 100N C227 65G0603104 12 CER2 0603 X7R 16V 100N C228 65G0603104 12 CER2 0603 X7R 16V 100N C231 65G0603104 12 CER2 0603 X7R 16V 100N C232 65G0603104 12 CER2 0603...

Page 25: ...G0603104 12 CER2 0603 X7R 16V 100N C309 65G0603104 12 CER2 0603 X7R 16V 100N C310 65G0603104 12 CER2 0603 X7R 16V 100N C311 65G0603104 12 CER2 0603 X7R 16V 100N C312 67G 312220 3 SMD 22UF 20 16V C314...

Page 26: ...G 6433P BAV99 SOT 23 D105 93G 6433P BAV99 SOT 23 D106 93G 60230 BAT54C L43 D201 93G 6432V LL4148 GS08 FB101 71G 59C800 CHIP BEAD FB102 71G 59C800 CHIP BEAD FB103 71G 59C800 CHIP BEAD FB202 71G 57G601...

Page 27: ...8 61L0603101 RST SM 0603 RC0603 100 R150 71G 59B121 TB160808B R154 61L0603000 RST SM 0603 JUMP MAX 0 R157 61L0603000 RST SM 0603 JUMP MAX 0 R158 61L0603000 RST SM 0603 JUMP MAX 0 R161 61L0603000 RST S...

Page 28: ...RC0603 10K R302 61L0603103 RST SM 0603 RC0603 10K R303 61L0603104 RST SM 0603 RC0603 100 R304 61L0603104 RST SM 0603 RC0603 100 R308 61L0603302 CHIPR 3K OHM 5 1 10 R310 61L0603000 RST SM 0603 JUMP MA...

Page 29: ...ARD C101 65G0805104 32 CHIP 0 1U 50V X7R Q101 57G 417 4 PMBS3904 PHILIPS SMT 0 Q102 57G 417 4 PMBS3904 PHILIPS SMT 0 715L1036 1 KEY BOARD PCB R108 61G 60222152T CFR 220OHM 5 1 6W PWPC7425BASMT LCD POW...

Page 30: ...HA CHOKE COIL L902 73L 174 26T1G LINE LILT 0 45MM L903 73G 253 91 H CHOKE COIL L904 73G 253 91 H CHOKE COIL NR901 61G 58080 WT 8 OHM NCT PT201 80LL15T 7YSG X FMR PT202 80LL15T 7YSG X FMR Q209 57G 761...

Page 31: ...OT 23 Q203 57G 763 3 AO4411 SO 8 Q204 57G 763 3 AO4411 SO 8 R208 61L0603472 RST SM 0603 RC0603 4K7 R209 61L0603472 RST SM 0603 RC0603 4K7 R214 61L0603222 RST SM 0603 RC0603 2K2 R215 61L0603222 RST SM...

Page 32: ...UF 16V LTR471M1CF11 C309 67G215B4713HT 470UF 16V LTR471M1CF11 C310 67G215B4713HT 470UF 16V LTR471M1CF11 C311 67G215C1514HT LOW ESR 150UF 25V 8 7M C905 6G 31502 1 5MM RIVET C908 65G 450104 7T 0 1UF 80...

Page 33: ...5 1 6W R213 61G 60239252T 3 9KOHM 5 1 6W R218 61G 60210152T 100OHM 5 1 6W R219 61G 60210152T 100OHM 5 1 6W R220 61G 60215352T 15KOHM 5 1 6W R221 61G 60215352T 15KOHM 5 1 6W R222 61G 60212352T 12KOHM 5...

Page 34: ...1 1 4W R926 61G 20024252T 2 4KOHM 1 1 4W R927 61G 17210252T 1K OHM 5 1 4W R928 61G 17210252T 1K OHM 5 1 4W R930 61G 17210152T 100 OHM 5 1 4W T901 6G 31502 1 5MM RIVET ZD902 93G 39 5452T HZ12B2 E ZD90...

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