User manual CTX PV500T Service Manual

[. . . ] The features of the 4 models series are listed in the table as below : 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 10 11 12 13 Universal input AC/DC power adapter Analog RGB interface (VGA ) 30~60KHz, 60~75Hz, 80MHz 15" XGA 1024*768, TFT LCD panel Function keys * 5 : Power On/Off, ESC, (up), (down), (enter) Direct Access function keys : for contrast function, for brightness function Green/Amber LED indicator for power on/power saving Plug & play support with DDC1/2B protocol installed. Power saving mode compliant with Energy Star OSD (on screen display) MENU operation Brightness adjustment Contrast adjustment Auto tune function (VGA) Color selection Image adjustment Position adjustment Language selection Reset function Audio module integrated (Speaker * 2, stereo earphone jack)(PV500AT/PV500BAT only) Audio volume adjustment by VR (PV500AT/PV500BAT only) 5-wire resistive touch panel function (RS232) Built-in touch panel power with +5V from LCD monitor XGA TFT LCD 2. INPUT REQUIREMENTS 2. 1 Input Power 2. 1. 1. [. . . ] 3H hard coating , anti-static Integral CCFL , Type to support field replacement. Life time 25000 hours @ 25C, 50% of initial value. The LCD panel shall be inspected with all pixels set to white, black, red, green, and blue. No cosmetic defects are allowed except those specified below. The conditions of visual inspections are as follows: Viewing distance is to be approximately 35 cm. Ambient illumination is to be 300 to 500 lux. Defects not apparent within one minute shall be ignored. 3. 1. 6 DEFECTS VISUAL INSPECTION Allowable Defects Table 1 Defects Dots Model Pixel Faults Type Type1 Type2 Type3 Type4 Type5 PV500T Series ( 0 Pixel Fault ) Bright Pixels(Note1) 0 Dark Pixels(Note2) 0 Fault Pixels / Sub-Pixels(Note3) 0 Cluster of type1 or type 2 faults (Note4) 0 Cluster of type3 faults (Note4) 0 Total Pixel Faults 0 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. 3. 2 Modes and Timing Capability The monitor shall support an internal scaler to enable the monitor to display lower resolution video modes. The scaler shall convert all lower resolution modes up to 1024x768. The monitor shall support all the modes listed in Table 2. 5 Service Guide Table 2. Supported Timing VESA Standard Mode : Display Format IBM VGA VESA Horizontal Dots 720 640 640 Vertical lines 400 480 480 Horizontal Frequency 31. 469 37. 861 ( ) Frequency ( Hz ) Vertical 70 59. 94 72. 809 Pixel Rate ( MHz ) 28. 322 25. 175 31. 5 H. Polarity 31. 778 26. 413 A S ( Period ) 3. 813 1. 270 B S ( Pulse Width ) 1. 907 4. 063 C S ( Back Porch ) 25. 422 20. 317 D S ( Active Area ) 0. 636 0. 763 E S (Front Porch ) V. [. . . ] A dual color (green/amber) LED is located on the front bezel to indicate the power management states. DPMS Power Power Picture consumption management Recovery time Sync Video Active Active 25W max (LPC15W13AA75/LPC15B13AA75) ON 23W max (LPC15W13AA74/LPC15B13AA74) No Sync Power saving 4W (Typical) 3 sec 3. 8 Touch Panel Module 3. 8. 1 General There are four major parts for touch panel system: Sensor glass, control board, driver and the touch output cable. The sensor glass install on front side of the LCD panel module and link with control Board to detect the touching position. [. . . ]