Acer X193 X183H / X193HQ Service Guide
Acer X193 Manual
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Acer X193 manual table of contents:
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ACER ACER_LCD_X193HQ_SM080904V1 Model ID:RA19WAANU DBG DPBU II Service Service Manual Table of Contents Important Safety Notice 01 01. ... 10 04. Assembly and Disassembly Procedures 12 05. Troubleshooting 19 06. Firmware Upgrade Procedure 31 07. Writing ... -
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Important Safety Notice ACER X193HQ 1 Go to cover page Product Announcement: This product ... by vender should being aware of notices listed in this service manual in order to minimize the risk of personal ... per new model before performing the service procedures. NOTICE: ! To avoid electrical shocks... -
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2 ACER X193HQ Go to cover page 1. Product Specification 1.1 SCOPE This document defines the design ... flat panel monitor .The display element shall be a WXGA(1366X768) resolution TFT-LCD (Thin ... (Display Power Management Signaling) standard. The LCD monitor consists of an interface board , a power ... -
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... Product Specification (continued) ACER X193HQ 3 Go to cover page Pin 1 2 3 4 5 Red-Video ..., depending on the timing 1.3.2.4 Sync Signal Levels The monitor must accept sync signals from both... Trigger input ).That is , the input level at which the monitor actually detects a logic 0 shall be at least... -
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4 ACER X193HQ 1. Product Specification (continued) Go to cover page 1.3.2.5 Sync Signal Loading TTL ... maximum current source from any single monitor sync input to the driver is 1.6 mA .When logic 1 is asserted , the maximum current source from the driver to any single monitor sync input is 400 uA ... -
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1. Product Specification (continued) ACER X193HQ 5 Go to cover page 1.3.4.3 Mode Recognition Pull-in The monitor shall recognize preset modes within... to the flat panel or any other component of the monitor. The LCD panel interface shall support the TFT standard. 1.3.6 DC - ... -
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6 ACER X193HQ 1. Product Specification (continued) Go to cover page 1.3.8 Display Communications Channel The monitor assembly shall ... shall be an WXGA 1366X768 resolution, 19 inch-wide TFT-LCD. This panel shall be approved for use in this monitor. 1.4.2 Panel Timings The controller included with ... -
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... Product Specification (continued) ACER X193HQ 7 Go to cover page 1.4.5.5 Defect Terminology Table ... c tric a l). 1.5 Optical Characteristics Depends on the LCD supplier's spec. Details refer to QA Inspection... above the panel surface such that the luminance at the LCD panel is between 1000 lux and... -
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8 ACER X193HQ 2 OSD Menu Go to cover page 2.1 MAIN OSD MENU Outline: The description for control function: The description for control function: M a in M enu Ic o n Sub Menu Ic o n N /A N /A Sub Menu Ite m W a rm Cool U s e r /R e d U s e r /G r e e n U s e r /B lu e D e s c r ip tio ... -
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2. OSD Manu (continued) ACER X193HQ 9 Go to cover page -
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10 ACER X193HQ 3. Exploded Diagram Go to cover page 3.1 Packing Exploded Diagram -
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3. Exploded Diagram (continued) ACER X193HQ 11 Go to cover page 3.2 Product Exploded Diagram -
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12 ACER X193HQ 4. Assembly and Disassembly Procedures Go to cover page 4.1 Assembly procedures: Connect the ... a PVC tape P802 P304 P301 FFC Turn the monitor faced down and put it on the S5 Use a ... module till both parts firmly Connect FFC cable to LCD panel. There are two locks over here when ... -
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4. Assembly and Disassembly Procedures (continued) ACER X193HQ 13 Go to cover page S6 Take lamp cables out from the holes shown as the photo. S10 Put a rear cover on the assembled unit and press on force mechanisms locked and firmly ... -
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14 ACER X193HQ 4. Assembly and Disassembly Procedures (continued) Go to cover page Stick a ... feature label on the carton then packing the carton S16 monitor. FEATURE LABEL VISTA LABEL Take two cushion foams; one is held the left side S17 . of LCD monitor, and another is held the right side. -
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4. Assembly and Disassembly Procedures (continued) ACER X193HQ 15 Go to cover page 4.2 Disassembly procedures S1 Open the... off tapes to remove the screen protector card then turn over the LCD monitor (screen FEATURE LABEL faced down), VISTA LABEL S2 Take out all accessories including D-SUB ... -
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16 ACER X193HQ 4. Assembly and Disassembly Procedures (continued) Go to cover page Put the dissembled monitor closed to by myself Separating all of the locking mechanism of... front bezel to disengage the locking mechanism. Turn over the LCD monitor (screen faced up). UP SIDE ... -
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4. Assembly and Disassembly Procedures (continued) ACER X193HQ 17 Go to cover page S14 Hold one side of down side that had been separated ...=M3x8;Torque=4.5~6.5KGFxCM). S19 square holes and separate the bracket chassis module and LCD panel apart. 1 2 1 ... -
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18 ACER X193HQ 4. Assembly and Disassembly Procedures (continued) Go to cover page Examine the panel surface accoring to inspection S20 Disconnect all of the cable criteria. Put it aside. S23 P802 P304 P301 FFC S21 Use a Phillips-head screwdriver unscrewed the No.1~2 screws to ... -
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5. Troubleshooting ACER X193HQ 19 Go to cover page 5.1 No display on the screen (Screen is black and colour of LED is amber.) Does OSM display when you push PROCEED buttom. No When a signal isn't being inputted, it is indicated with "No Signal Input". it is indicated with "Out... -
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20 ACER X193HQ 5. Troubleshooting (continued) Go to cover page 5.2 Nothing displays on the screen (Screen is black and colour of LED is blue.) Is ... Interface Board and LCD module. Failure Point NG OK Proceed "Abnormal sreen" dection" The LCD video signal cable is disconnected. Next Page -
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5. Troubleshooting (continued) ACER X193HQ 21 Go to cover page 5.2 Nothing displays on the screen (Screen is black and colour of LED is blue)continued... LVDS signals. 2) I305 is failure. Failure Point 1) The LVDS cable broke between P305 and LCD module. 2) LCD module is failure. -
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22 ACER X193HQ 5. Troubleshooting (continued) Go to cover page 5.3 Checking the back light unit Is +22V supplied to inverter PWB ? (by the power board)..., R304,R357 and I305 pin11. 2) Q302 is failure. Failure Point 1) Back light unit of LCD module is failure. 2) Inverter Cable disconnect -
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5. Troubleshooting (continued) ACER X193HQ 23 Go to cover page 5.4 Abnormal screen for VGA Check the R, G, B video signal from computer input on P302 of video connector. NG OK Failure Point 1) No R, G, B video signals output from host computer, check computer. 2) Video signal... -
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24 ACER X193HQ 5. Troubleshooting (continued) Go to cover page 5.5 Abnormal screen (For the DVI) Check the DVI video signal from computer input on P303 of ... I305? NG OK Failure Point Printed wire broke between I305 and P305. Prpcess "Checking the resolution change IC movement" section. -
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5. Troubleshooting (continued) ACER X193HQ 25 Go to cover page 5.6 Abnormal OSM display adjust problem Check the input TTL level whether was changed when pressed function keys on the P304 pin3, 5 (normal is high level, when push buttom, generated low level plus) NG OK Failure... -
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26 ACER X193HQ Go to cover page 5.7 Abnormal plug and play operation for VGA Confirm the host computer supplies DDC2B mode. NG OK Failure Point The host machine is not communicatiog in DDC2B mode. Check the voltage on P302 pin9 that is power DC 5 V. NG OK Failure Point TheVideo cable... -
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5. Troubleshooting (continued) ACER X193HQ 27 Go to cover page 5.8 Abnormal plug and play operation (For the DVI) Confirm the host computersupplies DDC2 mode. Failure Point NG OK The host machine is not communicatiog in DDC2 mode. Check the voltage on P303 pin14 that is power ... -
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28 ACER X193HQ 5. Troubleshooting (continued) Go to cover page 5.9 Checking the interface circuit of sync signal 5.9.1 Checking the control circuit of horizontal sync pluse Check the horizontal sync signal on P302 pin13 TTL level. NG OK Failure Point Video cable is failure. Check the ... -
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5. Troubleshooting (continued) ACER X193HQ 29 Go to cover page 5.10 Checking the resolution change IC movement Check +3.3V supply on I305 pin41,I308 pin1,46. NG OK Proceed " Checking the DC/DC converter circuit" section. Check +1.8V supply on I308 pin 19,17,40. NG OK ... -
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30 ACER X193HQ 5. Troubleshooting (continued) Go to cover page 5.11 Checking the DC/DC converter circuit Check the 5V is output from P301 pin 5,6 NG OK Failure Point 1) Power wire disconnection. 2) Power board is failure. Check the 5V is input to I301 pin3. NG OK Failure Point 1) ... -
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6. Firmware Upgrade Process ACER X193HQ 31 Go to cover page 6.1 Hardware Configuration If it shows "No USB Device", there is a problems ... or reconnect the USB cable again. Connect VGA cable between monitor and kit Connect USB and VGA cable between PC and kit ... -
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32 ACER X193HQ 6. Firmware Upgrade Process (continued) Go to cover page Step-5 Select "64K" icon to load firmware image. There are two HEX files. You only need to select "64K" to choose "X203H_AAS_F001-EMEA.hex" and "X203H_AAS_F001-EMEA_Extend.hex" will be loaded in "64~... -
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7. Writing EDID Process ACER X193HQ 33 Go to cover page 1 Writing EDID Procedure Hardware ...on which model you want to write. Acer-X193H-X203H be used in the monitor only has VGA port. Acer-X193H-X203H-digital signal be used in the monitor both have VGA and DVI port Select the "Acer-M1&M3-XPEDID-... -
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34 ACER X193HQ 7. Writing EDID Process (continued) Go to cover page 4. Choose "WRITE" from menu then select "Scan S/N And Write EDID And Test DDC" 5. Key in series number(22 characters) in the input column and below empty column. Press write button after key in S/N 6. When EDID was ... -
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8. BLOCK DIAGRAM ACER X203H 35 Go to cover page 1 2 3 4 5 6 7 8 9 10 11 12 13 CCFT Drive A LCD Flat Panel A Panel date& control.DC power B DC 5V Inverter control B Interface Board C AC to DC Adapter DC to AC ...