User manual CTX S962A Service Manual

[. . . ] Neither will the publisher be responsible for any damages caused by misuse or misquotation. Information in this manual is subject to change by the publisher without any notice in advance. CTX is a registered trademark of Chuntex Electronic Co. , Ltd. 3 CTX CTX 1. SCOPE Service Manual S962A This specification defines the design and performance requirements for the 19" SXGA TFT LCD display monitor The features of "S962A ". "S962A" is listed in the following table: Feature Description 1 2 3 4 5 6 7 8 9 9. 1 9. 2 9. 3 9. 4 9. 5 9. 6 9. 7 9. 8 9. 9 9. 10 Universal input AC/DC power supply inside the monitor Analog RGB interface (VGA ) 30~80KHz, 59~75Hz, 135MHz 19" SXGA 1280*1024, TFT LCD panel Function keys * 5 : Power On/Off, ESC, (up), (down), Direct Acess function keys : for audio mute function (enter) brightness function , ESC for contrast function, for Green/Amber LED indicator for power on/power saving Plug & play support with DDC2B protocol installed. [. . . ] 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. 3. 2 Modes and Timing Comparability 6 CTX CTX 3. 2. 1Analog Input Supported Timing VESA Standard mode: Display Format Horizontal Dots Vertical lines Horizontal Frequency Vertical Frequency (Hz) Pixel Rate (MHz) H. Polarity A S ( Period ) B S ( Pulse Width ) C S ( Back Porch ) D S ( Active Area ) E S (Front Porch ) V. Polarity O ms (Period) P ms (Pulse Width) Q ms (Back Porch) R ms (Active Area) S ms (Front Porch) IBM VGA 720 640 400 480 31. 469 70 59. 94 28. 322 25. 175 31. 778 3. 813 1. 907 25. 422 0. 636 + 16. 683 0. 064 1. 048 12. 711 15. 253 0. 318 VESA 1024 768 48. 363 60. 004 65. 0 20. 667 2. 092 2. 462 15. 754 0. 369 16. 666 0. 124 0. 6 15. 88 0. 062 VESA 640 480 37. 861 72. 809 31. 5 26. 413 1. 270 4. 063 20. 317 0. 763 13. 735 0. 079 0. 739 12. 678 0. 237 VESA 640 480 37. 5 75 31. 5 26. 667 2. 032 3. 810 20. 317 0. 508 13. 333 0. 080 0. 427 12. 800 0. 027 VESA 1152 864 67. 5 75 108 + 14. 815 1. 185 2. 370 10. 667 0. 593 + 13. 333 0. 044 0. 474 12. 8 0. 015 Service Manual S962A VESA 800 600 37. 879 60. 317 40 + 26. 4 3. 2 2. 2 20. 0 1. 00 + 16. 579 0. 106 0. 607 15. 840 0. 026 VESA 1280 1024 63. 981 60. 013 108 + 15. 631 1. 180 2. 065 11. 797 0. 590 + 16. 663 0. 047 0. 594 16. 006 0. 016 VESA 800 600 48. 077 72. 188 50 + 20. 8 2. 4 1. 28 16. 0 1. 12 + 13. 853 0. 125 0. 478 12. 480 0. 770 VESA 1280 1024 79. 976 75. 025 135 + 12. 504 1. 067 1. 837 9. 481 0. 119 + 13. 329 0. 038 0. 475 12. 804 0. 012 VESA 800 600 46. 875 75. 000 49. 5 + 21. 333 1. 616 3. 232 16. 162 0. 323 + 13. 333 0. 064 0. 448 12. 8 0. 021 Display Format Horizontal Dots Vertical lines Horizontal Frequency Vertical Frequency (Hz) Pixel Rate (MHz) H. Polarity A S ( Period ) B S ( Pulse Width ) C S ( Back Porch ) D S ( Active Area ) E S (Front Porch ) V. Polarity O ms (Period) P ms (Pulse Width) Q ms (Back Porch) R ms (Active Area) S ms (Front Porch) VESA 1024 768 56. 746 70. 069 75 17. 707 1. 813 1. 920 13. 653 0. 321 14. 272 0. 106 0. 513 13. 599 0. 054 VESA 1024 768 60. 023 75. 029 78. 75 + 16. 660 1. 219 2. 235 13. 003 0. 203 + 13. 238 0. 050 0. 466 12. 795 0. 017 VGA Support Mode 7 CTX CTX 1280 * 1024 @70Hz, 72Hz 1280 * 960 @ 60Hz, 70H, 72Hz, 75Hz 1280 * 720 @ 60Hz 1152 * 864 @ 60Hz, 70Hz, 72Hz 1024 * 768 @ 72Hz 800 * 600 @ 70Hz 640 * 480 @ 70Hz 640 * 350 @ 70Hz Service Manual S962A Timing Chart Video Video V Sync DDC 2B data transmission only for I2C BUS interface card. 3. 3 Plug & Play 3. 4 Scanning characteristics Horizontal frequency VGA 30KHz to 80KHz Refresh rate 59Hz to 75Hz 8 CTX CTX 3. 5 Audio Module 3. 5. 1. Frequency Response ±3dB: Service Manual S962A Stereo BTL audio output amplifier with DC volume control with two 1W speakers. 1Vrms 1W * 2 (10% THD, 1KHz) 0. 3% (Typ. ) (0. 5W * 2, 1KHz) 550Hz ~ 20KHz 3. 5. 6. Channel unbalance (output power): 1dB (max. ) 3. 6 User Controls and Indicator 3. 6. 1 Power ON/OFF Switch 3. 6. 2 LED Indicator 3. 6. 3 OSD 3. 6. 3. 1 Buttons 3. 6. 3. 2 OSD Menu Level 3. 6. 4 Hot Keys Function 3. 6. 4. 1 Contrast ( ) The switch control scaler power down and turn off panel. The LED 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. [. . . ] TROUBLE SHOOTING 4. 1 Main Procedure 11 CTX CTX Star t Service Manual S962A Power On I s indicator light? No 4. 2 Power Cir cuit T r ouble shooting Yes No 4. 3 No Back light T r ouble shooting I s back light on?Yes Display per for mance OK ? No 4. 4 Per for mance T r ouble shooting Yes No 4. 5 O. S. D. [. . . ]