Table of Contents
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17" LCD Color Monitor
Service
Service
Service
Description
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 the Picture.......................................................................................................7
4.Input/Output Specification....................................................................................................9
4.1 Input Signal Connector..................................................................................................9
4.2 Factory Preset Display Modes.......................................................................................9
4.3 Panel Specification.....................................................................................................10
5.Schematic........................................................................................................................12
5.1 Main Board.................................................................................................................12
5.2 Power Board...............................................................................................................16
6.PCB Layout........................................................................................................................18
6.1 Main Board.................................................................................................................18
6.2 Power Board..............................................................................................................20
7.BOM List.....................................................................................................................22
ANY PERSON ATTEMPTING TO SERVICE THIS CHASSIS MUST FAMILIARIZE HIMSELF WITH THE
CHASSIS AND BE AWARE OF THE NECESSARY SAFETY PRECAUTIONS TO BE USED WHEN SERVICING
ELECTRONIC EQUIPMENT CONTAINING HIGH VOLTAGES.
CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING
TABLE OF CONTENTS
SAFETY NOTICE
1
QDI TFT1780PSA
Horizontal Frequency
30-80 KHz
Page
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Table of Contents
Related Manuals for AOC VIT TFT1780PS
Summary of Contents for AOC VIT TFT1780PS
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Page 1: Table Of Contents
17” LCD Color Monitor QDI TFT1780PSA Service Service Service Horizontal Frequency 30-80 KHz TABLE OF CONTENTS Description Page 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 the Picture......…....………….…..…....……....…….7 4.Input/Output Specification..….……………...………….…..…....……....……..9 4.1 Input Signal Connector.…...…………....………….…..…....……....9 4.2 Factory Preset Display Modes..………....………….…..…....……....9... -
Page 2: Revision List
17” LCD Color Monitor QDI TFT1780PSA Revision List Revision Date Revision History TPV Model Jul-20-06 Initial Release T782KACHBPG2A... -
Page 3: Monitor Specification
17” LCD Color Monitor QDI TFT1780PSA 1. Monitor Specifications Driving system TFT Color LCD LCD Panel Size 43.2cm(17.0") Pixel pitch 0.264mm( H ) × 0.264mm( V ) Viewable angle 140° (H) 140° (V) Video R,G,B Analog Interface Input Separate Sync. H/V TTL H-Frequency 30kHz –... -
Page 4: Lcd Monitor Description
17” LCD Color Monitor QDI TFT1780PSA 2. LCD Monitor Description The LCD MONITOR will contain a main board, a power board and one key board which house the flat panel control logic, brightness 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. -
Page 5: Operation Instruction
17” LCD Color Monitor QDI TFT1780PSA 3. Operating Instructions 3.1 General Instructions Press the power button to turn the monitor on or off. The other control buttons are located on the front panel of the monitor. By changing these settings, the picture can be adjusted to your personal preferences. •... - Page 6 17” LCD Color Monitor QDI TFT1780PSA FRONT PANEL CONTROL • Power Button: Press this button to turn the monitor ON or OFF. • MENU / ENTER: Activate OSD menu when OSD is OFF or activate/de-activate adjustment function when OSD is ON or Exit OSD menu when in Volume Adjust OSD status.
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Page 7: Adjusting The Picture
17” LCD Color Monitor QDI TFT1780PSA 3.3 Adjusting the Picture 1. Press the MENU-button to activate the OSD window. See figure 5. 2. Press < or > to select the desired function. See figure 5. 3. Press the MENU-button again to activate the highlighted function. 4. - Page 8 17” LCD Color Monitor QDI TFT1780PSA The descriptions for function control LEDS Contrast Adjust the picture contrast. Brightness Adjust the picture brightness. Focus Adjust picture Focus. Clock Adjust picture Clock. H. Position Adjust the horizontal position of the picture. V. Position Adjust the vertical position of the picture.
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Page 9: Input/Output Specification
17” LCD Color Monitor QDI TFT1780PSA 4. Input/Output Specification 4.1 Input Signal Connector D-SUB connector 15 - Pin Color Display Signal Cable Pin No. Description Pin No. Description Green Detect Cable Blue Ground Ground DDC-Serial Data DDC-Return H-Sync R-Ground V-Sync G-Ground DDC-Serial Clock B-Ground... -
Page 10: Panel Specification
17” LCD Color Monitor QDI TFT1780PSA 4.3 Panel Specification 4.3.1 Features 4.3.2 Display Characteristics... - Page 11 17” LCD Color Monitor QDI TFT1780PSA 4.3.3 Optical Characteristics...
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Page 12: Schematic
17” LCD Color Monitor QDI TFT1780PSA 5. Schematic 5.1 Main Board... - Page 13 17” LCD Color Monitor QDI TFT1780PSA...
- Page 14 17” LCD Color Monitor QDI TFT1780PSA...
- Page 15 17” LCD Color Monitor QDI TFT1780PSA...
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Page 16: Power Board
17” LCD Color Monitor QDI TFT1780PSA 5.2 Power Board ... - Page 17 17” LCD Color Monitor QDI TFT1780PSA...
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Page 18: Pcb Layout
17” LCD Color Monitor QDI TFT1780PSA 6. PCB Layout 6.1 Main Board... - Page 19 17” LCD Color Monitor QDI TFT1780PSA...
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Page 20: Power Board
17” LCD Color Monitor QDI TFT1780PSA 6.2 Power Board... - Page 21 17” LCD Color Monitor QDI TFT1780PSA...
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Page 22: Bom List
17” LCD Color Monitor QDI TFT1780PSA 7. BOM List T782KACHBPG2A Location Part No. Description CBPC782KACG2 CONVERSION BOARD KEPC782KG1 KEY BOARD PWPC7425BA LCD POWER ASS'Y 15G5709503 1 MAIN FRAME 15G5908 2 BRACKET 15G6054 L bracket(L) 15G6054 R bracket(R) 26G 800608 1C BARCODE 33G4344 AT 1L HING COVER(L) - Page 23 17” LCD Color Monitor QDI TFT1780PSA M1G 330 4128 SCREW M3X4 M1G 330 6128 SCREW M1G1130 6128 SCREW M1G1140 6128 SCREW 4X6 M1G1740 12128 SCREW Q1G 340 12128 SCREW Q1G 340 16128 SCREW 4X16 Q1G1030 10128 SCREW 705L782KB34079 BACK COVER ASS'Y E750L 750LLU70N05 AU 17"...
- Page 24 17” LCD Color Monitor QDI TFT1780PSA C204 65G0603104 12 CER2 0603 X7R 16V 100N C205 65G0603104 12 CER2 0603 X7R 16V 100N C206 65G0603104 12 CER2 0603 X7R 16V 100N C207 65G0603104 12 CER2 0603 X7R 16V 100N C208 65G0603104 12 CER2 0603 X7R 16V 100N C209 65G0603104 12...
- Page 25 17” LCD Color Monitor QDI TFT1780PSA C255 65G0603104 12 CER2 0603 X7R 16V 100N C256 65G0603103 32 0.01UF +-10% 50V X7R C257 65G0603104 12 CER2 0603 X7R 16V 100N C258 65G0603103 32 0.01UF +-10% 50V X7R C259 65G0603330 31 CER1 0603 NP0 50V 33P C260 65G0603470 32 CHIP 47PF 50V X7R...
- Page 26 17” LCD Color Monitor QDI TFT1780PSA C419 65G0603102 32 1000PF +-10% 50V X7R C420 65G0603102 32 1000PF +-10% 50V X7R C421 65G0603102 32 1000PF +-10% 50V X7R C422 65G0603103 32 0.01UF +-10% 50V X7R C425 65G0603102 32 1000PF +-10% 50V X7R C428 65G0603102 32 1000PF +-10% 50V X7R...
- Page 27 17” LCD Color Monitor QDI TFT1780PSA R126 61L0603470 RST SM 0603 RC0603 47R R129 61L0603470 RST SM 0603 RC0603 47R R130 61L0603470 RST SM 0603 RC0603 47R R131 61L0603103 RST SM 0603 RC0603 10K R132 61L0603103 RST SM 0603 RC0603 10K R133 61L0603750 9F 75OHM 1% 1/10W...
- Page 28 17” LCD Color Monitor QDI TFT1780PSA R227 61L0603000 RST SM 0603 JUMP MAX 0 R231 61L0603103 RST SM 0603 RC0603 10K R232 61L0603103 RST SM 0603 RC0603 10K R235 61L0603000 RST SM 0603 JUMP MAX 0 R238 61L0603103 RST SM 0603 RC0603 10K R239 61L0603103 RST SM 0603 RC0603 10K...
- Page 29 17” LCD Color Monitor QDI TFT1780PSA U104 56G1133 34 M24C02-WMN6TP U106 56G4LVC 14 P 74LVC14ADT U202 87L 202 32 PLCC CONN 32PIN U203 56L 562 19 SCALER IC gm5120(V:BD) U204 56G1133 33 M24C16-MN6TP U301 56G 561 8 THC63LVDM83R U302 56G 561 8 THC63LVDM83R U401 56G 585 7...
- Page 30 17” LCD Color Monitor QDI TFT1780PSA CN102 33G8009 6N H WAFER CN201 33G8020 4D AC CONN.4P DIP BY ACES CN202 33G8020 4D AC CONN.4P DIP BY ACES CN301 88G 30210K PHONE JACK 5PIN CN302 33G8009 6N H WAFER CN303 33G3802 4H WAFER 4P RIGHT ANGLE D910 93G3010 1...
- Page 31 17” LCD Color Monitor QDI TFT1780PSA C224 65G0805105 27 CHIP 1UF Y5V 0805 C225 65G0805105 27 CHIP 1UF Y5V 0805 C301 65G0805104 22 0.1UF +-10% 25V X7R 08 C302 65G0805104 22 0.1UF +-10% 25V X7R 08 C303 65G0805474 27 CHIP 0.47UF 25V Y5V C304 65G0805474 27 CHIP 0.47UF 25V Y5V...
- Page 32 17” LCD Color Monitor QDI TFT1780PSA R916 61L0805240 2F CHIP 24KOHM 1% 1/8W R931 61L0603102 RST SM 0603 RC0603 1K U201 56G 622 1 BA9741F-SMT ZD301 93G 39139 MLL752A ZD901 93G 39S 23 T GLZ22B ZD904 93G 39S 19 T PTZ7.5B 715L1013 2A 1 POWER BOARD PCB...
- Page 33 17” LCD Color Monitor QDI TFT1780PSA L902 6G 31502 1.5MM RIVET PT201 6G 31502 1.5MM RIVET PT202 6G 31502 1.5MM RIVET Q205 57G 417 3 T MPS3904 Q206 57G 417 3 T MPS3904 Q207 57G 414 2 MPS3906 Q208 57G 414 2 MPS3906 Q901 57G 420 PP T...
- Page 34 17” LCD Color Monitor QDI TFT1780PSA R306 61G 60230452T 300KOHM +-5% 1/6W R904 61L214Y10552T 1M,1/4W R905 61L214Y10552T 1M,1/4W R906 61L214Y10552T 1M,1/4W R907 61L214Y10552T 1M,1/4W R908 61G 17268952T 6.8OHM 5% 1/4W R917 61G 17210052T 100HM 5% 1/4W R918 61G 17210352T CFR 10KOHM +-5% 1/4W R920 61G 20747052T 47 OHM 1/2W...