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Service Manual

 

 

 

                                                                                                                                                                                S962A

 

 

5

 

 

 

 

 

 

 

2. INPUT 

REQUIREMENTS 

2.1 Input Power 

 

2.1.1. Power Source 

 

100 ~ 240 Vac, + -10%, 50/60 Hz 

 

2.1.2. Power Consumption

 

 
 
 
 
 
 
 
 

2.1.3. AC Line Drop Out

 

 

 
2.1.4. AC Wave Distortion 
 
2.1.5. In-rush Current 

 

2.1.6. Power Cord 
 

Normal operating mode     
Audio function is operating at max output: 

43W 

w/o audio function: 

36W 

Power saving mode 
Audio function is operating at max output: 

7W 

w/o audio function:   

2W 

Power switch off:   

1.5W 

 
Picture must 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. Analog Input RGB Video 
 
 
 
   2.2.1.1 Sync Signal 
 
 
 

Analogue, 0.0 to 0.7 V peak to peak 
Separate RGB 
Input impedance 75 Ohm 
Positive polarity 
Separate horizontal & vertical sync (3.3V & 5V) 
Low level 0.8 V maximum 
High level 2.0 V minimum 
Positive or negative polarity 

Summary of Contents for S962A

Page 1: ...S962A SERVICE MANUAL The Monitor Specialists EDITION 1 DEC 2003 ...

Page 2: ...nual S962A 2 TABLE OF CONTENTS CONTENTS PAGE Sections 1 Scope 4 2 Input requirements 5 3 Electrical Characteristics 6 10 4 Trouble Shooting 11 16 5 Parts List 17 Appendix 1 Main Board Circuit Diagram 2 Assembly Explosion Drawing ...

Page 3: ...ss 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 change by the ...

Page 4: ... keys 5 Power On Off ESC up down enter 5 Direct Acess function keys for contrast function for brightness function ESC for audio mute 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 9 1 Brightness adjustment 9 2 Contrast adjustment 9 3 Auto tune func...

Page 5: ...er saving mode Audio function is operating at max output 7W w o audio function 2W Power switch off 1 5W Picture must 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 Analog Input RGB Video 2 2 1 1 Sync Signal Analogue 0 0 to 0 7 V peak to peak Separate RGB Input impedance 75 Ohm Positive pola...

Page 6: ...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 7 million colors 3 1 4 Surface treatment 3H hard coating anti static anti glare 3 1 5 Backlight Integral CCFL type to support field replacement Life time 30000 hours 25C 50 of initial value 3 1 6 Pixel Faults Model Project Pixel Faults type S962A LBL19SS4HA01...

Page 7: ...9 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 VGA Support Mode 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 Frequency Hz 60 004 70 069 75 029 75 6...

Page 8: ...1280 720 60Hz 1152 864 60Hz 70Hz 72Hz 1024 768 72Hz 800 600 70Hz 640 480 70Hz 640 350 70Hz Timing Chart 3 3 Plug Play DDC 2B data transmission only for I2 C BUS interface card 3 4 Scanning characteristics VGA Horizontal frequency 30KHz to 80KHz Refresh rate 59Hz to 75Hz Video Video V Sync ...

Page 9: ...color shall indicate power status as shown in paragraph 3 7 ESC See Table 2 S962A OSD Control Map 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 3 6 4 3 Mute On 3 6 4 4 Mute Off 3 6 4 5 In monitor power saving mode Press Esc directly to disable speakers while speakers in normal state Press Esc directly to enable speakers wh...

Page 10: ...r 5 sec isn t to detect H or V Sync then show No Signal Input for 5 seconds and then show Power down message on screen 2 sec And then the monitor shall go to power saving status If first turn on the monitor shows No Signal Input 30 sec 3 7 Power Management This monitor will meet the low power specification Including USA governmental requirements For Energy Star the NUTEK standard and the VESA DPMS...

Page 11: ...C C CT T TX X X Service Manual S962A 11 4 TROUBLE SHOOTING 4 1 Main Procedure ...

Page 12: ... O S D Adjustment OK Audio Function OK End Yes Yes Yes Yes Yes No No No No Star t Power On 4 2 Power Cir cuit Trouble shooting 4 3 No Backlight Trouble shooting 4 4 Per for mance Trouble shooting 4 5 O S D Trouble shooting 4 6 Audio Trouble shooting No Tr ouble Found 4 2 Power Circuit Trouble Shooting ...

Page 13: ...Service Manual S962A 13 End Yes End OK No Start ChangeAC power cord and retry Change power board and retry Change display board and retry No TroubleFound Back to 4 1 Main Procedure NG NG 4 3 Backlight Trouble Shooting ...

Page 14: ...X Service Manual S962A 14 End Yes End OK No Start Change power board and retry Change main board and retry Change LCD panel and retry No TroubleFound Back to 4 1 Main Procedure NG NG 4 4 Performance Trouble Shooting ...

Page 15: ...Screen isflickering ChangeLCD panel Changepower board Changemain board ChangeLCD panel Screen white Check panel connector Check main board connector ChangeLCD panel Screen with noise linebar Pressenter button call OSD menu try reset or auto ture Changemain board No troublefound End NG NG NG NG NG NG NG NG NG NG NG NG NG NG OK OK OK OK OK OK OK OK OK OK OK OK OK OK NO NO NO NO NO ...

Page 16: ... S D Trouble Shooting Start Pressfunction key No OSD menu No contrast or bright adj menu No troublefound End Changedisplay board and retry Changemain board and retry Changedisplay board and retry Changemain board and retry NG NG NG NG OK OK OK OK ...

Page 17: ...S962A 17 4 6 Audio Trouble Shooting Start Mark sureaudio cableisOK No sound Sound broken No troublefound End Changespeaker Changemain board and retry Changespeaker NG NG NG NG OK OK OK OK Changemain board and retry Volumecan t Adjust ...

Page 18: ...1 B01 DISPLAY PCBA 4 10A19 1A2A LCD TFT 1280 1024 AU 5 SSBASE 508 SUB ASSY BASE 6 04007983000H CARTON 7 05101668000H HOLDER R 8 05101678000H HOLDER L 9 05Z0001900E PLASTIC HANDLE BAR 10 05Z0002900E PLASTIC CLAP BOARD 11 06208061000H USER MANUAL 12 65B70 1801ZH CABLE AUDIO 13 98T111 P62 DISKETTE 3 5IN 1 44M 14 65S10 150CZH CABLE SIGNAL ...

Page 19: ...C C CT T TX X X Service Manual S962A 19 ...

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