X223W LCD Monitor User's Guide
Page 14
... the keyboard or mouse is a communication protocol through which the monitor automatically informs the host system about its capabilities, for example, supported resolutions and corresponding timing. The DDC (Display Data Channel) is activated. The recovery time from the display controller, as indicated by the amber...-color power LED. The monitor supports DDC2B standard. EN-8 DDC To make your system also supports DDC protocol. X223W Power saving The monitor will be driven into Power Saving" mode by the control signal from Active OFF state back to ON state...
... the keyboard or mouse is a communication protocol through which the monitor automatically informs the host system about its capabilities, for example, supported resolutions and corresponding timing. The DDC (Display Data Channel) is activated. The recovery time from the display controller, as indicated by the amber...-color power LED. The monitor supports DDC2B standard. EN-8 DDC To make your system also supports DDC protocol. X223W Power saving The monitor will be driven into Power Saving" mode by the control signal from Active OFF state back to ON state...
X223W LCD Monitor User's Guide
Page 17
... 4 VESA 5 VESA 6 7 VESA 8 VESA 9 VESA 10 VESA 11 MAC 12 VESA 13 VESA 14 VESA 15 VESA 16 VESA 17 VESA 18 VESA 19 VESA Resolution 720 x 400 70 Hz 640 x 480 59.94 Hz 640 x 480 66.66 Hz 640 x 480 72 Hz 640 x 480 75 Hz 648 x 500 57... Hz 1680 x 1050 60 Hz EN-11 For optimum adjustment, the user is matched, the user can store their preferred modes in the table below. X223W Standard Timing Table To reduce the need for adjustment for vertical frequency or the sync signal polarities are most commonly used as a user mode is...
... 4 VESA 5 VESA 6 7 VESA 8 VESA 9 VESA 10 VESA 11 MAC 12 VESA 13 VESA 14 VESA 15 VESA 16 VESA 17 VESA 18 VESA 19 VESA Resolution 720 x 400 70 Hz 640 x 480 59.94 Hz 640 x 480 66.66 Hz 640 x 480 72 Hz 640 x 480 75 Hz 648 x 500 57... Hz 1680 x 1050 60 Hz EN-11 For optimum adjustment, the user is matched, the user can store their preferred modes in the table below. X223W Standard Timing Table To reduce the need for adjustment for vertical frequency or the sync signal polarities are most commonly used as a user mode is...
X223W LCD Monitor User's Guide
Page 23
... (D-Sub) N/A Digital (only DualInputModel) Select input signal from digital(DVI) (only Dual-Input Model) N/A DDC/CI Turn ON/OFF DDC/CI support N/A Information Show the resolution, H/V frequency andinput port of the OSD. N/A Exit Save user adjustment and OSD disappear. N/A Reset Clear each old status of the OSD. EN-17 Main Menu...
... (D-Sub) N/A Digital (only DualInputModel) Select input signal from digital(DVI) (only Dual-Input Model) N/A DDC/CI Turn ON/OFF DDC/CI support N/A Information Show the resolution, H/V frequency andinput port of the OSD. N/A Exit Save user adjustment and OSD disappear. N/A Reset Clear each old status of the OSD. EN-17 Main Menu...
X223W LCD Monitor User's Guide
Page 25
... is properly connected at the back of monitor. · Check if the power of computer system is · Using OSD, adjust RESOLUTION, CLOCK, missing, center CLOCK-PHASE, H-POSITION and V- Display is ON. Using OSD, in case of missing full-screen size image, please select ...Mode) Problems Current Status Remedy LED ON · Using OSD, adjust brightness and contrast to maximum or reset to the monitor. EN-19 X223W TROUBLESHOOTING Before sending your LCD monitor for a few seconds after adjusting the size of graphics adapter and monitor is properly connected to their default...
... is properly connected at the back of monitor. · Check if the power of computer system is · Using OSD, adjust RESOLUTION, CLOCK, missing, center CLOCK-PHASE, H-POSITION and V- Display is ON. Using OSD, in case of missing full-screen size image, please select ...Mode) Problems Current Status Remedy LED ON · Using OSD, adjust brightness and contrast to maximum or reset to the monitor. EN-19 X223W TROUBLESHOOTING Before sending your LCD monitor for a few seconds after adjusting the size of graphics adapter and monitor is properly connected to their default...
X223W LCD Service Guide
Page 3
... pre-defined mode will support main power DC5V to interface board, and the power DC5.3V to drive the LCD display circuit . 2 ACER X223W Go to AC Inverter. The CPU connection shall have an IEC/CEE-22 type male power receptacle for an 20/22W inch diagonal , ...board and two speaker (1W)(with length of 1.8+/-0.005 meters. 1.3.1.2 Video Signal Connectors and Cable The signal cable shall be a WSXGA (1680x1050) resolution TFT-LCD (Thin Film Transistor Liquid Crystal Display).16.7M color(RGB 6bits+FRC) images are displayed on , previously stored screen parameters for hand ...
... pre-defined mode will support main power DC5V to interface board, and the power DC5.3V to drive the LCD display circuit . 2 ACER X223W Go to AC Inverter. The CPU connection shall have an IEC/CEE-22 type male power receptacle for an 20/22W inch diagonal , ...board and two speaker (1W)(with length of 1.8+/-0.005 meters. 1.3.1.2 Video Signal Connectors and Cable The signal cable shall be a WSXGA (1680x1050) resolution TFT-LCD (Thin Film Transistor Liquid Crystal Display).16.7M color(RGB 6bits+FRC) images are displayed on , previously stored screen parameters for hand ...
X223W LCD Service Guide
Page 6
... combination of 25oC, with the monitor shall control all models specified. This controller shall adequately insulate the monitor from a standard SXGA resolution video controller in -socket for one hour at an ambient temperature of input signals from the computer shall cause damage to a signal...user replaceable. be stable enough to ensure that a static image from 90 to 132 and 195 to user modes. Product Specification (continued) ACER X223W 5 Go to 9 user modes. The power supply shall operate within a range of an input voltage below the minimum specified in any other...
... combination of 25oC, with the monitor shall control all models specified. This controller shall adequately insulate the monitor from a standard SXGA resolution video controller in -socket for one hour at an ambient temperature of input signals from the computer shall cause damage to a signal...user replaceable. be stable enough to ensure that a static image from 90 to 132 and 195 to user modes. Product Specification (continued) ACER X223W 5 Go to 9 user modes. The power supply shall operate within a range of an input voltage below the minimum specified in any other...
X223W LCD Service Guide
Page 7
...backlight lamps shall start about 2 sec. This configuration shall contain the 128-byte EDID file as the display device shall be an WSXGA resolution,20/22W, TFT-LCD.This panel shall be ignored. Areas and / or parameters considered questionable shall be subjected to 700 lux. ■... listed in Panel specification shall be maintained within one minute shall be approved for instance, requesting the serial number via the OSD). 6 ACER X223W Go to cover page 1. The lamps shall extend a sufficient amount from the edge of the parameters specified in Panel specification into timings ...
...backlight lamps shall start about 2 sec. This configuration shall contain the 128-byte EDID file as the display device shall be an WSXGA resolution,20/22W, TFT-LCD.This panel shall be ignored. Areas and / or parameters considered questionable shall be subjected to 700 lux. ■... listed in Panel specification shall be maintained within one minute shall be approved for instance, requesting the serial number via the OSD). 6 ACER X223W Go to cover page 1. The lamps shall extend a sufficient amount from the edge of the parameters specified in Panel specification into timings ...
X223W LCD Service Guide
Page 21
... the video cable is amber) Does OSM display when you push PROCEED buttom. Proceed "checking the resolution change the cable. Troubleshooting 5.1 No.display of screen (Screen is black, color of LED is connected normally. 20 ACER X223W Go to cover page 5. No When a signal isn't being inputted, it can't be distinguished. it is...
... the video cable is amber) Does OSM display when you push PROCEED buttom. Proceed "checking the resolution change the cable. Troubleshooting 5.1 No.display of screen (Screen is black, color of LED is connected normally. 20 ACER X223W Go to cover page 5. No When a signal isn't being inputted, it can't be distinguished. it is...
X223W LCD Service Guide
Page 25
... that their level is short or open. NG OK Check all LVDS signals being output to cover page 5.4 Abnormal screen for VGA 5. Process "Checking the resolution change IC movement" section. Failure Point In the case of video connector. Failure Point Printed wire broke between P302 pin1 and I306 pin23. 2) Video cable...
... that their level is short or open. NG OK Check all LVDS signals being output to cover page 5.4 Abnormal screen for VGA 5. Process "Checking the resolution change IC movement" section. Failure Point In the case of video connector. Failure Point Printed wire broke between P302 pin1 and I306 pin23. 2) Video cable...
X223W LCD Service Guide
Page 28
Troubleshooting (continued) 5.7 Checking the interface circuit of sync signal 5.7.1 Checking the control circuit of horizontal sync pulse ACER X223W 27 Go to cover page Check the horizontal sync signal on I305 pin27 TTL level. 5. NG OK Failure Point Process "Checking the resolution change IC movement" section. Failure Point Video cable is short. Failure Point 1) Printed wire broke between P302 pin13 and I305 pin27. 2) FB309, R321 are short. 3) D307 or R324 or C327 is failure. NG OK Check the horizontal sync signal on P302 pin13 TTL level.
Troubleshooting (continued) 5.7 Checking the interface circuit of sync signal 5.7.1 Checking the control circuit of horizontal sync pulse ACER X223W 27 Go to cover page Check the horizontal sync signal on I305 pin27 TTL level. 5. NG OK Failure Point Process "Checking the resolution change IC movement" section. Failure Point Video cable is short. Failure Point 1) Printed wire broke between P302 pin13 and I305 pin27. 2) FB309, R321 are short. 3) D307 or R324 or C327 is failure. NG OK Check the horizontal sync signal on P302 pin13 TTL level.
X223W LCD Service Guide
Page 29
... , pin32, pin49, pin56, pin75, pin98 NG OK Proceed " Checking the DC/DC converter circuit" section. 28 ACER X223W Go to I305 pin96 and pin97 at normal operation. Failure Point I306 failure. Troubleshooting (continued) 5.8 Checking the resolution change IC movement Check +3.3V supply on I305 pin 51, 66, 82, 34. NG OK Failure Point...
... , pin32, pin49, pin56, pin75, pin98 NG OK Proceed " Checking the DC/DC converter circuit" section. 28 ACER X223W Go to I305 pin96 and pin97 at normal operation. Failure Point I306 failure. Troubleshooting (continued) 5.8 Checking the resolution change IC movement Check +3.3V supply on I305 pin 51, 66, 82, 34. NG OK Failure Point...