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Service Manual

Dec- 2002 - Version 0

S720

-15-

6. INVERTER BOARD I/O CONNECTIONS

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Summary of Contents for S720

Page 1: ...S720 SERVICE MANUAL The Monitor Specialists EDITION 1 Jul 2003 ...

Page 2: ...ections 1 Scope 3 2 Input requirements 4 3 Electrical Characteristics 5 4 Trouble Shooting 10 11 5 System Block Diagram 12 6 Inverter Board I O Connection 13 7 IC Pin Configuration 14 16 8 Pin Assignment 17 25 9 Parts List 26 Appendix 1 Main Board Circuit Diagram 2 Assembly Explosion Drawing ...

Page 3: ...the express written permission of the publisher The publisher has been trying its best to make this publication perfect and in this manner takes no responsibility for the use of any of the materials or methods described in this manual or for the products thereof Neither will the publisher be responsible for any damages caused by misuse or misquotation Information in this manual is subject to chang...

Page 4: ...r 2 Analog RGB interface VGA 30 80KHz 59 75Hz 135MHz 3 17 SXGA 1280 1024 TFT LCD panel 4 Function keys 5 Power On Off ESC up down enter 5 Direct Acess function keys for contrast function for brightness function 6 Green Amber LED indicator for power on power saving 7 Plug play support with DDC2B protocol installed 8 Power saving mode compliant with Energy Star 9 OSD on screen display MENU operation...

Page 5: ...not disappear while AC 100 V input drop out 10ms 100 10 max permitted 50 A max at 240 Vac cold start Detachable 3P with ground type 2 2 Display Input 2 2 1 RGB Video 2 2 2 Sync Signal 2 2 3 Analog Input Connection Analogue 0 0 to 0 7 V peak to peak Separate RGB Input impedance 75 Ohm Positive polarity 1 Separate horizontal vertical sync 3 3V 5V Low level 0 8 V maximum High level 2 0 V minimum Posi...

Page 6: ...3 1 1 Type 17 diagonal SXGA resolution color TFT LCD 3 1 2 Pixel structure R G B sub pixels in vertical stripes 1280 x 1024 array matrix A Si TFT active matrix 3 1 3 Gray scale 16 million Colors 3 1 4 Surface treatment 3H hard coating anti static 3 1 5 Backlight Integral CCFT Type to support field replacement Life time 30000 hours 25C 50 of initial value 3 1 6 Pixel Faults Model Project Pixel Faul...

Page 7: ...ter of type3 faults Note4 3 Type6 Total Pixel Faults 8 Note 1 Bright pixels in full black pattern Note 2 Dark pixels in full white pattern Note 3 fault Pixel Sub Pixel The pixel or sub pixel is abnormal but not bright dark pixel Note 4 Fault Cluster Two or more Pixels Sub pixels with faults within 5 5 block of pixels ...

Page 8: ... 080 0 106 0 125 0 064 Q ms Back Porch 1 048 0 739 0 427 0 607 0 478 0 448 R ms Active Area 12 711 15 253 12 678 12 800 15 840 12 480 12 8 S ms Front Porch 0 318 0 237 0 027 0 026 0 770 0 021 Display Format VESA VESA VESA VESA VESA VESA Horizontal Dots 1024 1024 1024 1152 1280 1280 Vertical lines 768 768 768 864 1024 1024 Horizontal Frequency 48 363 56 746 60 023 67 5 63 981 79 976 Vertical Freque...

Page 9: ...sion 0 8 Figure 1 Timing Chart Video H Sync B C D E A Video VGA Support Mode Timing Chart 1280 1024 60Hz 70Hz 1280 1024 72Hz 75Hz 1280 960 60Hz 70Hz 72Hz 75Hz 1208 720 60Hz 1152 864 60Hz 70Hz 72Hz 1024 768 72Hz 800 600 70Hz 640 480 70Hz 640 350 70Hz ...

Page 10: ...control scaler power down and turn off panel The LED color shall indicate power status as shown in paragraph 3 6 ESC See Table 2 S720 OSD Control Map Fast reset Press and turn on the power Burn in Press ESC and turn on the power Press to pop up then press or to adjust Contrast up or down Press to pop up then press or to adjust Brightness up or down Push for 10 sec while the screen has not any OSD ...

Page 11: ...gnal Out of Range No Signal Input and power down When the signal cable is not plugged into PC or when the horizontal or vertical sync are absent and when the monitor is turned on After 5 sec isn t to detect H or V Sync then show No Signal Input 5 sec and then show Power down message on screen 2 sec If first turn on the monitor shows No Signal Input 30 sec 3 6 Power Management This monitor will mee...

Page 12: ...C C CT T TX X X Service Manual Dec 2002 Version 0 S720 11 ...

Page 13: ...Service Manual C C CT T TX X X S720 Dec 2002 Version 0 12 4 TROUBLE SHOOTING VIDEO DOES NOT APPEAR ...

Page 14: ...C C CT T TX X X Service Manual Dec 2002 Version 0 S720 13 R G B is not displayed correctly ...

Page 15: ...Service Manual C C CT T TX X X S720 Dec 2002 Version 0 14 5 SYSTEM BLOCK DIAGRAM ...

Page 16: ...C C CT T TX X X Service Manual Dec 2002 Version 0 S720 15 6 INVERTER BOARD I O CONNECTIONS ...

Page 17: ...Service Manual C C CT T TX X X S720 Dec 2002 Version 0 16 7 IC PIN CONFIGURATION ...

Page 18: ...C C CT T TX X X Service Manual Dec 2002 Version 0 S720 17 ...

Page 19: ...Service Manual C C CT T TX X X S720 Dec 2002 Version 0 18 U11 U12 ...

Page 20: ...C C CT T TX X X Service Manual Dec 2002 Version 0 S720 19 ...

Page 21: ... 2 31 3 62 3 79 640 480 31K 60Hz 1 80 1 30 1 98 0 99 2 00 1 69 3 38 0 0 04 3 37 1024 768 60K 75Hz 1 91 1 19 1 98 0 99 2 00 1 69 3 38 0 0 04 3 37 1280 1024 80K 75Hz 1 91 1 19 1 99 0 99 2 00 1 69 3 38 0 0 04 3 37 640 480 31K 60Hz 0 02 0 0 0 11 3 38 3 38 3 38 0 03 3 38 5 08 1024 768 60K 75Hz 0 02 0 0 0 11 3 38 3 38 3 38 0 03 3 38 5 08 1280 1024 80K 75Hz 0 02 0 0 0 11 3 38 3 38 3 38 0 03 3 38 5 08 640...

Page 22: ... 06 3 38 0 2 59 2 59 640 480 31K 60Hz 2 47 2 47 0 0 1 71 0 01 2 47 2 47 2 47 2 47 1024 768 60K 75Hz 2 59 2 59 0 0 1 28 0 01 2 59 2 60 2 60 2 60 1280 1024 80K 75Hz 2 59 2 59 0 0 1 45 0 01 2 59 2 59 2 59 2 59 640 480 31K 60Hz 3 38 0 3 38 3 38 2 47 3 36 3 37 1 64 0 01 0 01 1024 768 60K 75Hz 3 38 0 3 38 3 38 2 59 3 36 3 37 1 62 0 01 0 01 1280 1024 80K 75Hz 3 38 0 3 38 3 38 2 59 3 36 3 37 1 62 0 01 0 0...

Page 23: ...8 0 0 640 480 31K 60Hz 0 50 3 38 3 38 3 38 0 2 46 0 0 0 0 1024 768 60K 75Hz 0 51 3 38 3 38 3 38 0 2 46 0 0 0 0 1280 1024 80K 75Hz 0 50 3 38 3 38 3 38 0 2 46 0 0 0 0 640 480 31K 60Hz 3 38 2 46 0 0 0 0 3 38 2 46 0 0 1024 768 60K 75Hz 3 38 2 45 0 0 0 0 3 38 2 45 0 0 1280 1024 80K 75Hz 3 38 2 45 0 0 0 0 3 38 2 45 0 0 640 480 31K 60Hz 0 0 3 37 0 0 3 37 0 0 2 47 0 1024 768 60K 75Hz 0 0 3 37 0 0 3 37 0 0...

Page 24: ... 1 47 1 94 1 34 1 21 2 94 0 1 19 1 90 3 78 3 61 640 480 31K 60Hz 2 31 0 1 26 1 68 2 70 2 68 2 74 0 59 2 13 0 1024 768 60K 75Hz 2 21 0 0 80 1 69 2 98 2 95 3 00 0 37 2 67 0 1280 1024 80K 75Hz 2 21 0 0 80 1 69 2 98 2 95 3 00 0 37 2 67 0 640 480 31K 60Hz 5 08 5 08 1024 768 60K 75Hz 5 08 5 09 1280 1024 80K 75Hz 5 08 5 09 640 480 31K 60Hz 4 86 0 15 0 15 3 92 1 69 0 13 0 0 13 1 72 3 35 1024 768 60K 75Hz ...

Page 25: ...36 3 36 0 2 59 640 480 31K 60Hz 1 66 3 26 0 3 38 0 0 1 25 1 16 1 24 1 19 1024 768 60K 75Hz 1 63 3 27 0 3 38 0 0 1 26 1 15 1 24 1 19 1280 1024 80K 75Hz 1 63 3 27 0 3 38 0 0 1 26 1 15 1 24 1 19 640 480 31K 60Hz 1 26 1 14 0 3 38 1 13 1 27 1 13 1 29 0 2 47 1024 768 60K 75Hz 1 26 1 14 0 3 38 1 13 1 27 1 13 1 29 0 2 60 1280 1024 80K 75Hz 1 26 1 14 0 3 38 1 13 1 27 1 13 1 29 0 2 59 640 480 31K 60Hz 0 0 0...

Page 26: ...38 0 0 1 26 1 15 1 23 1 18 1280 1024 80K 75Hz 1 63 3 26 0 3 38 0 0 1 26 1 15 1 23 1 18 640 480 31K 60Hz 1 26 1 15 0 3 38 1 14 1 28 1 13 1 29 0 2 47 1024 768 60K 75Hz 1 26 1 15 0 3 38 1 14 1 28 1 13 1 29 0 2 59 1280 1024 80K 75Hz 1 26 1 15 0 3 38 1 14 1 28 1 13 1 29 0 2 59 640 480 31K 60Hz 0 0 0 1 82 0 01 2 46 1024 768 60K 75Hz 0 0 0 1 83 0 01 2 59 1280 1024 80K 75Hz 0 0 0 1 57 0 01 2 59 640 480 31...

Page 27: ...0 1024 80K 75Hz 0 3 26 0 03 3 38 3 36 2 76 0 0 0 75 640 480 31K 60Hz 2 00 1 96 1 27 3 38 0 07 3 38 3 38 3 39 2 77 1024 768 60K 75Hz 2 00 1 96 1 27 3 38 0 07 3 38 3 38 3 39 2 77 1280 1024 80K 75Hz 2 00 1 96 1 27 3 38 0 07 3 38 3 38 3 39 2 77 640 480 31K 60Hz 0 0 06 0 68 0 11 09 0 01 1024 768 60K 75Hz 0 0 06 0 68 0 11 09 0 01 1280 1024 80K 75Hz 0 0 06 0 68 0 11 09 0 01 S720 AU POWER BOARD IC U604 24...

Page 28: ...5 15 5 15 220V 12 19 12 19 12 19 8 78 5 15 5 15 5 15 5 15 110V 4 13 147 83 0 08 13 73 0 13 72 1 66 5 2 24 220V 1 80 312 28 0 08 13 76 0 13 75 1 66 5 2 24 110V 0 13 67 0 0 2 26 0 19 13 69 4 09 60 62 220V 0 13 70 0 0 2 25 01 9 13 36 3 70 118 76 110V 0 21 0 0 71 10 73 0 2 49 9 85 0 01 9 88 IC U1 SG3842G2S PIN MODE 1 2 3 4 5 6 7 8 IC U2 PS2561 M PIN MODE 1 2 3 4 IC U601 TL1451ACNSR PIN MODE 1 2 3 4 5 ...

Page 29: ...36 Normal 9 93 12 25 9 91 8 80 0 8 71 8 80 12 25 8 71 Off 10 30 12 25 10 40 10 60 0 10 65 10 60 12 25 10 65 Normal 12 25 12 22 11 57 0 0 0 70 Off 12 25 12 22 11 57 0 0 0 69 TR Q603 BC817 25 Q612 MMBT3906LT1 Q613 BC817 25 PIN MODE E C B E C B E C B TR Q631 MMBT3906LT1 Q632 2N3904 PIN MODE E C B E C B ...

Page 30: ...PCBA CMO 4 10A17 192A LCD TFT 1280 1024 M170EN05 v 3 5 0800064010 CABINET BACK 6 0820111002 CABINET FRONT 7 SSBASE 504 SUB ASSY BASE 8 NL SUB Z ASSY ADAPTER 9 0400781300 CARTON 480 114 540 10 0510162800 HOLDER E P S R 11 0510163800 HOLDER E P S L 12 0540045A00 PE BAG 610 505MM 13 0620784100 USER MANUAL 14 05Z0001900 PLASTIC HANDLE BAR 15 05Z0002900 PLASTIC CLAP BOARD ...

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