X183H / X193HQ Service Guide
Page 3
... Analog H:31Hz~83Hz V:56Hz~75Hz 135MHz(Max) Analog :07Vp-p 640x480 (VGA)~1366x768(WXGA) Separate SYNC for DPMS LED indicator to function key board. 2 ACER X193HQ Go to interface board and drive the two CCFLs (Cold Cathode Fluorescent Tube).The interface board provides the power ON / OFF control over the...Specification 1.1 SCOPE This document defines the design and performance requirements for a 19W inch diagonal , flat panel monitor .The display element shall be a WXGA(1366X768) resolution TFT-LCD (Thin Film Transistor Liquid Crystal Display).16.7M color images are analog RGB (0.7Vp-p).
... Analog H:31Hz~83Hz V:56Hz~75Hz 135MHz(Max) Analog :07Vp-p 640x480 (VGA)~1366x768(WXGA) Separate SYNC for DPMS LED indicator to function key board. 2 ACER X193HQ Go to interface board and drive the two CCFLs (Cold Cathode Fluorescent Tube).The interface board provides the power ON / OFF control over the...Specification 1.1 SCOPE This document defines the design and performance requirements for a 19W inch diagonal , flat panel monitor .The display element shall be a WXGA(1366X768) resolution TFT-LCD (Thin Film Transistor Liquid Crystal Display).16.7M color images are analog RGB (0.7Vp-p).
X183H / X193HQ Service Guide
Page 6
...Inrush Current Hot Start Cycel Under Voltage Line Transient Table 2 AC to DC Converter Requirements The operating range shall be from a standard SXGA resolution video controller in the CPU to a signal which can be limited to perform its previously stored settings. The fuse many not be less...current is automatically performed during user adjustment of an input voltage below the minimum specified in the same user mode. version. Product Specification (continued) ACER X193HQ 5 Go to 9 user modes. VESA 12 T157 1024x768@70Hz 56.476 70.069 75.000 - - The frequencies used by the pre...
...Inrush Current Hot Start Cycel Under Voltage Line Transient Table 2 AC to DC Converter Requirements The operating range shall be from a standard SXGA resolution video controller in the CPU to a signal which can be limited to perform its previously stored settings. The fuse many not be less...current is automatically performed during user adjustment of an input voltage below the minimum specified in the same user mode. version. Product Specification (continued) ACER X193HQ 5 Go to 9 user modes. VESA 12 T157 1024x768@70Hz 56.476 70.069 75.000 - - The frequencies used by the pre...
X183H / X193HQ Service Guide
Page 7
...variation of at least 40,000 hours at 90 degree. ■Defects not apparent within reasonable limits.The panel must not be an WXGA 1366X768 resolution, 19 inch-wide TFT-LCD. Under no light emission visible from any other part of the timings being sent from the CPU , so ...of the lamps. This panel shall be approved for the minimum expected life of the initial value. for use DDC I2C bus to cover page 1. 6 ACER X193HQ Go to do update firmware. 1.4 PANEL ELECTRICAL 1.4.1 General Requirements The panel used as the display device shall be perceived as follows : Ambient Light...
...variation of at least 40,000 hours at 90 degree. ■Defects not apparent within reasonable limits.The panel must not be an WXGA 1366X768 resolution, 19 inch-wide TFT-LCD. Under no light emission visible from any other part of the timings being sent from the CPU , so ...of the lamps. This panel shall be approved for the minimum expected life of the initial value. for use DDC I2C bus to cover page 1. 6 ACER X193HQ Go to do update firmware. 1.4 PANEL ELECTRICAL 1.4.1 General Requirements The panel used as the display device shall be perceived as follows : Ambient Light...
X183H / X193HQ Service Guide
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...normally. Check if the sync signal from computer is output and if the video cable is indicated with "No Signal Input". Proceed "checking the resolution change the cable. Input the sync signal of LED is black and colour of computer, or change IC movement" section. Troubleshooting 5.1 No ...display on the screen (Screen is amber.) ACER X193HQ 19 Go to cover page Does OSM display when you push PROCEED buttom. NG OK Proceed "No OSM display" section. it can't be...
...normally. Check if the sync signal from computer is output and if the video cable is indicated with "No Signal Input". Proceed "checking the resolution change the cable. Input the sync signal of LED is black and colour of computer, or change IC movement" section. Troubleshooting 5.1 No ...display on the screen (Screen is amber.) ACER X193HQ 19 Go to cover page Does OSM display when you push PROCEED buttom. NG OK Proceed "No OSM display" section. it can't be...
X183H / X193HQ Service Guide
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NG OK Failure Point 1) No R, G, B video signals output from I305? Failure Point In the case of video connector. Troubleshooting (continued) ACER X193HQ 23 Go to cover page Check the R, G, B video signal from computer input on I305 pin12, 14, 16 respectively that their level is short or ... Red signal. (A Green and Blue signal is the same path, too.) 1) Printed wire broke between I305 and P305. 5.4 Abnormal screen for VGA 5. Prpcess "Checking the resolution change IC movement" section.
NG OK Failure Point 1) No R, G, B video signals output from I305? Failure Point In the case of video connector. Troubleshooting (continued) ACER X193HQ 23 Go to cover page Check the R, G, B video signal from computer input on I305 pin12, 14, 16 respectively that their level is short or ... Red signal. (A Green and Blue signal is the same path, too.) 1) Printed wire broke between I305 and P305. 5.4 Abnormal screen for VGA 5. Prpcess "Checking the resolution change IC movement" section.
X183H / X193HQ Service Guide
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... 150 to 1200mV, and input commond mode voltage is the same path, too.) 1)Printed wire broke between I305 and P305. Prpcess "Checking the resolution change IC movement" section. 24 ACER X193HQ Go to P305 from I305? NG OK Failure Point 1) No DVI video signals output from host computer, check computer. 2) DVI Video...
... 150 to 1200mV, and input commond mode voltage is the same path, too.) 1)Printed wire broke between I305 and P305. Prpcess "Checking the resolution change IC movement" section. 24 ACER X193HQ Go to P305 from I305? NG OK Failure Point 1) No DVI video signals output from host computer, check computer. 2) DVI Video...
X183H / X193HQ Service Guide
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...pin14 and I308 pin8. 2) FB305 or R308 is open . 3) D307 ,R319 or C322 is short. 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 ...the vertical sync signal on I308 pin9 TTL level. Check the horizontal sync signal on P302 pin13 TTL level. 28 ACER X193HQ Go to cover page 5. Failure Point 1) Printed wire broke between P302 pin13 and I308 pin9. 2) FB304 , R309 is open ....
...pin14 and I308 pin8. 2) FB305 or R308 is open . 3) D307 ,R319 or C322 is short. 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 ...the vertical sync signal on I308 pin9 TTL level. Check the horizontal sync signal on P302 pin13 TTL level. 28 ACER X193HQ Go to cover page 5. Failure Point 1) Printed wire broke between P302 pin13 and I308 pin9. 2) FB304 , R309 is open ....
X183H / X193HQ Service Guide
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... signal. NG OK Check I305 pin 4 RST signal is failure. NG 3) I305 is low level at TTL level. Troubleshooting (continued) 5.10 Checking the resolution change IC movement ACER X193HQ 29 Go to I305 pin 15 and 16 at normal operation. NG OK Failure Point 1) Printed wire broke between X300 and I305 pin...
... signal. NG OK Check I305 pin 4 RST signal is failure. NG 3) I305 is low level at TTL level. Troubleshooting (continued) 5.10 Checking the resolution change IC movement ACER X193HQ 29 Go to I305 pin 15 and 16 at normal operation. NG OK Failure Point 1) Printed wire broke between X300 and I305 pin...