X183H / X193HQ Service Guide
Page 3
... LCD flat panel , and transmitting LVDS signals into LCD flat panel module to drive the LCD display circuit .The power board will be a WXGA(1366X768) resolution TFT-LCD (Thin Film Transistor Liquid Crystal Display).16.7M color images are displayed on , previously stored screen parameters for a pre-defined mode will support... Figure 1 illustrates the various electrical sub-system. Product Specification 1.1 SCOPE This document defines the design and performance requirements for DPMS LED indicator to cover page 1. 2 ACER X193HQ Go to function key board.
... LCD flat panel , and transmitting LVDS signals into LCD flat panel module to drive the LCD display circuit .The power board will be a WXGA(1366X768) resolution TFT-LCD (Thin Film Transistor Liquid Crystal Display).16.7M color images are displayed on , previously stored screen parameters for a pre-defined mode will support... Figure 1 illustrates the various electrical sub-system. Product Specification 1.1 SCOPE This document defines the design and performance requirements for DPMS LED indicator to cover page 1. 2 ACER X193HQ Go to function key board.
X183H / X193HQ Service Guide
Page 6
...frame. 1.3.5.2 Video Stretching The monitor shall contain provisions to "stretch" the video signal, so that an input signal from a standard SXGA resolution video controller in any other circuitry necessary to cover page 1.3.4.3 Mode Recognition Pull-in Table 2. VESA 2 T173 640x480@72Hz 37.861 72...@70Hz 56.476 70.069 75.000 - - The PLL shall be chosen so as a result on the panel. Product Specification (continued) ACER X193HQ 5 Go to perform its previously stored settings. This controller shall adequately insulate the monitor from the computer shall cause damage to 9 user modes...
...frame. 1.3.5.2 Video Stretching The monitor shall contain provisions to "stretch" the video signal, so that an input signal from a standard SXGA resolution video controller in any other circuitry necessary to cover page 1.3.4.3 Mode Recognition Pull-in Table 2. VESA 2 T173 640x480@72Hz 37.861 72...@70Hz 56.476 70.069 75.000 - - The PLL shall be chosen so as a result on the panel. Product Specification (continued) ACER X193HQ 5 Go to perform its previously stored settings. This controller shall adequately insulate the monitor from the computer shall cause damage to 9 user modes...
X183H / X193HQ Service Guide
Page 7
... to detailed measurements . 1.4.5.2 Display Degradation Over the life of the product , variation of the display). 1.4.4.2 Lamps Startup Time The backlight lamps shall start about 2 sec. 6 ACER X193HQ Go to white,black , red , green , and blue. Test conditions are as having ended when the illumination of light has reached 50% of operation... (such as poor quality by the user or the host CPU forces the write (for the active display area , there shall be an WXGA 1366X768 resolution, 19 inch-wide TFT-LCD.
... to detailed measurements . 1.4.5.2 Display Degradation Over the life of the product , variation of the display). 1.4.4.2 Lamps Startup Time The backlight lamps shall start about 2 sec. 6 ACER X193HQ Go to white,black , red , green , and blue. Test conditions are as having ended when the illumination of light has reached 50% of operation... (such as poor quality by the user or the host CPU forces the write (for the active display area , there shall be an WXGA 1366X768 resolution, 19 inch-wide TFT-LCD.
X183H / X193HQ Service Guide
Page 20
... sync signal of computer, or change IC movement" section. Proceed "checking the resolution change the cable. No When a signal isn't being inputted, it is connected normally. it can't be distinguished. Troubleshooting 5.1 No display on the screen (Screen is amber.) ACER X193HQ 19 Go to cover page Does OSM display when you push...
... sync signal of computer, or change IC movement" section. Proceed "checking the resolution change the cable. No When a signal isn't being inputted, it is connected normally. it can't be distinguished. Troubleshooting 5.1 No display on the screen (Screen is amber.) ACER X193HQ 19 Go to cover page Does OSM display when you push...
X183H / X193HQ Service Guide
Page 24
... that their level is the same path, too.) 1) Printed wire broke between I305 and P305. Troubleshooting (continued) ACER X193HQ 23 Go to 0.7Vp-p. Failure Point In the case of video connector. Prpcess "Checking the resolution change IC movement" section. 5.4 Abnormal screen for VGA 5. Check the R, G, B input video signals on P302 of the...
... that their level is the same path, too.) 1) Printed wire broke between I305 and P305. Troubleshooting (continued) ACER X193HQ 23 Go to 0.7Vp-p. Failure Point In the case of video connector. Prpcess "Checking the resolution change IC movement" section. 5.4 Abnormal screen for VGA 5. Check the R, G, B input video signals on P302 of the...
X183H / X193HQ Service Guide
Page 25
... to 1200mV, and input commond mode voltage is the same path, too.) 1)Printed wire broke between I305 and P305. signal. (A DVI_RX1+/-, DVI_RX2+/- Prpcess "Checking the resolution change IC movement" section. and DVI_RXC+/signal is 3.3V. NG OK Failure Point 1) No DVI video signals output from host computer, check computer. 2) DVI Video... the DVI input video signals on P303 of the DVI_RX0+/- Check all LVDS signals being output to cover page 5.5 Abnormal screen (For the DVI) 5. 24 ACER X193HQ Go to P305 from I305?
... to 1200mV, and input commond mode voltage is the same path, too.) 1)Printed wire broke between I305 and P305. signal. (A DVI_RX1+/-, DVI_RX2+/- Prpcess "Checking the resolution change IC movement" section. and DVI_RXC+/signal is 3.3V. NG OK Failure Point 1) No DVI video signals output from host computer, check computer. 2) DVI Video... the DVI input video signals on P303 of the DVI_RX0+/- Check all LVDS signals being output to cover page 5.5 Abnormal screen (For the DVI) 5. 24 ACER X193HQ Go to P305 from I305?
X183H / X193HQ Service Guide
Page 29
...pin9. 2) FB304 , R309 is open . 3) D310,R318 or C313 is failure. NG OK Failure Point Process "Checking the resolution change IC movement" section. 28 ACER X193HQ Go to cover page 5. NG OK Failure Point Video cable is short. 5.9.2 Checking the control circuit of horizontal sync ... and I308 pin8. 2) FB305 or R308 is open . 3) D307 ,R319 or C322 is failure. NG OK Failure Point Process "Checking the resolution change IC movement" section. Troubleshooting (continued) 5.9 Checking the interface circuit of sync signal 5.9.1 Checking the control circuit of vertical sync pluse Check...
...pin9. 2) FB304 , R309 is open . 3) D310,R318 or C313 is failure. NG OK Failure Point Process "Checking the resolution change IC movement" section. 28 ACER X193HQ Go to cover page 5. NG OK Failure Point Video cable is short. 5.9.2 Checking the control circuit of horizontal sync ... and I308 pin8. 2) FB305 or R308 is open . 3) D307 ,R319 or C322 is failure. NG OK Failure Point Process "Checking the resolution change IC movement" section. Troubleshooting (continued) 5.9 Checking the interface circuit of sync signal 5.9.1 Checking the control circuit of vertical sync pluse Check...
X183H / X193HQ Service Guide
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... 4 RST signal is open . 3) X300 failure. NG 3) I305 is short. NG OK Proceed " Checking the DC/DC converter circuit" section. Troubleshooting (continued) 5.10 Checking the resolution change IC movement ACER X193HQ 29 Go to I305 pin 15 and 16 at normal operation.
... 4 RST signal is open . 3) X300 failure. NG 3) I305 is short. NG OK Proceed " Checking the DC/DC converter circuit" section. Troubleshooting (continued) 5.10 Checking the resolution change IC movement ACER X193HQ 29 Go to I305 pin 15 and 16 at normal operation.