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Acer X193HQ Service Manual

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Acer X193HQ(AUO PANEL)
Service Guide
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  • Page 1 Acer X193HQ(AUO PANEL) Service Guide...
  • Page 2 Service Guide Version and Revision Version Release Date Revision History TPV model Aug.-23-2008 Initial Release T8RAM5D82WABAN...
  • Page 3 Any Acer Incorporated software described in this manual is sold or licensed "as is". Should the programs prove defective following their purchase, the buyer (and not Acer Incorporated, its distributor, or its dealer) assumes the entire cost of all necessary servicing, repair, and any incidental or consequential damages resulting from any defect in the software.
  • Page 4 DIFFERENT part number code to those given in the FRU list of this printed Service Guide. You MUST use the list provided by your regional Acer office to order FRU parts for repair and service of customer machines. Warning: (For FCC Certified Models) Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules.
  • Page 5 Precautions Do not use the monitor near water, e.g. near a bathtub, washbowl, kitchen sink, laundry tub, swimming pool or in a wet basement. Do not place the monitor on an unstable trolley, stand, or table. If the monitor falls, it can injure a person and cause serious damage to the appliance.
  • Page 6: Table Of Contents

    Table Of Contents Chapter 1 Monitor Features ………………………………………… Introduction ……………………………………… Electrical Requirements ……………………………………… LCD Monitor General Specification ……………………………………… LCD Panel Specification ……………………………………… Support Timing ……………………………………… Monitor Block Diagram ……………………………………… Main Board Diagram ……………………………………… Software Flow chart ……………………………………… Main Board Layout ………………………………………...
  • Page 7: Chapter 1 Monitor Features

    This will alleviate the growing health concerns. It is also a space saving design, allowing more desktop space, and comparing to the traditional CRT monitor, it consumes less power and gets less weight in addition MTBF target is 50k hours or more. Chart of X193HQ Panel M185XW01 V00 SZ AUO...
  • Page 8: Electrical Requirements

    Electrical Requirements Standard Test Conditions All tests shall be performed under the following conditions, unless otherwise specified. Ambient light Dark room (< 1 cd/m Viewing distance 40 cm for LCD performance, 20 cm for LCD failures Warm up time >30 minutes Analog Input signal 700 mVss Control temperature...
  • Page 9: Lcd Monitor General Specification

    LCD Monitor General Specification Driving system TFT Color LCD Active Display Area 409.8 (H) × 230.4(V) Pixel pitch 0.3(H) x 0.3(W) LCD Panel Contrast Ratio 1000 : 1 Response time Luminance of White 300(Typ.) cd/㎡ Separate Sync. H/V TTL Input H-Frequency 30kHz –...
  • Page 10: Lcd Panel Specification

    LCD Panel Specification This specification applies to the 18.5 inch-wide Color a-Si TFT-LCD Module M185XW01.The display supports the WXGA - 1366(H) x 768(V) screen format and 16.7M colors (RGB 6-bits + Hi-FRC data). All input signals are 1-channel LVDS interface and this module doesn’t contain an inverter board for backlight. General Specifications Function Block Diagram...
  • Page 11 Electrical Characteristics Optical Specifications...
  • Page 12: Support Timing

    Support Timing...
  • Page 13: Monitor Block Diagram

    Monitor Block Diagram The LCD MONITOR will contain a main board, a power board, an audio board and a key board which house the flat panel control logic, brightness control logic and DDC. The power board will provide AC to DC Inverter voltage to drive the backlight of panel and the main board chips each voltage.
  • Page 14: Main Board Diagram

    Main Board Diagram Crystal LCD Interface (X401) (CN403) 14.31818MHZ Scalar IC TSUM1PFR-LF Power Board (Include MCU ,ADC, OSD) (CN404) (U401) H sync V sync Key Board D-Sub Control Connector (CN401) (CN101)
  • Page 15: Software Flow Chart

    Software Flow Chart...
  • Page 16 Remark: 1) MCU initializes. 2) Is the EEPROM blank? 3) Program the EEPROM by default values. 4) Get the PWM value of brightness from EEPROM. 5) Is the power key pressed? 6) Clear all global flags. 7) Are the AUTO and SELECT keys pressed? 8) Enter factory mode.
  • Page 17: Main Board Layout

    Main Board Layout Symbol Description Symbol Description U401 IC TSUM1PFR-LF CN401 WAFER 6PIN U404 IC AP1117D33L-13 TO252-3L DIODES CN404 WAFER 9P RIGHT ANELE PITCH U103 IC AZC099-04S SOT23-6L CN403 CONNECTOR U102 IC AZC099-04S SOT23-6L X401 14.31818MHZ/32PF/49US U402 SST25VF010A-33-4C-SAE CN101 D-SUB 15PIN...
  • Page 18: Installation

    Installation To install the monitor on your host system, please follow the steps below: Steps 1 Connect the video cable A:Make sure both the monitor and computer are switched off. B:Connect the VGA video cable to the computer. 2 Connect the power cord Connect the power cord to the monitor, then to a properly grounded AC outlet.
  • Page 19: Attaching/Removing The Base

    Attaching/Removing the Base Attaching: Align the release button on the bottom of the monitor with the corresponding slots on the bottom of the base. Removing: Press the release button as indicated, then pull in the direction of the arrow to remove the base.
  • Page 20: Chapter 2 Operating Instructions

    Chapter 2 Operating Instructions Press the power button to turn the monitor on or off. The other control buttons are located at front panel of the monitor. By changing these settings, the picture can be adjusted to your personal preferences. •...
  • Page 21: Ecolor Management (Osd)

    eColor Management (OSD)
  • Page 22: How To Adjust A Setting

    How to Adjust a Setting...
  • Page 23 Adjusting the picture...
  • Page 25: Logo

    Logo When the monitor is power on, the LOGO will be showed in the center, and disappear slowly. How To Optimize The DOS-Mode Plug And Play Plug & Play DDC2B Feature This monitor is equipped with VESA DDC2B capabilities according to the VESA DDC STANDARD. It allows the monitor to inform the host system of its identity and, depending on the level of DDC used, communicate additional information about its display capabilities.
  • Page 26: Chapter 3 Machine Disassembly

    Chapter 3 Machine Disassembly This chapter contains step-by-step procedures on how to disassemble the monitor for maintenance. Disassembly Procedure 1. Remove the cover hinge as the following indicator. (Fig 1) Fig 1 2. Remove the screws as following indicate to release base stand. (Fig 2) Fig 2...
  • Page 27 3. Remove the back cover and bezel. (Fig 3,4) Fig 3 Fig 4...
  • Page 28 4. Remove the lamp connectors and remove the screws to remove the panel. Put attention to the LVDS cable. (Fig 5,6) Fig 5 Fig 6 5. Remove the screws to remove the main board and power board.( Fig 7,8) Fig 7...
  • Page 29 Fig 8...
  • Page 30: Chapter 4 Troubleshooting

    Chapter 4 Troubleshooting This chapter provides troubleshooting information for the X193HQ: 1. No Power No power Press power key and look if the picture is normal Please reinsert and make sure the AC of 100-240 is normal Reinsert or check the power section Measure U404 Pin2=3.3V,...
  • Page 31 2. No Picture (LED is orange) No picture The button if under X401 oscillate Replace X401 control waveform is normal Check reset circuit of Check Correspondent U401 is normal component Measure U404 Pin2=3.3V, Replace U401 X401 oscillate waveform is normal Replace U404 Replace X401 Check HS/VS from...
  • Page 32 3. Panel Power Circuit White screen Measure Q404 base X401 oscillate is low level? waveform is normal Replace X401 Check CN403 is solder Check reset circuit of and Q404,Q405 is OK? U401 is normal Check Correspondent Check Correspondent component. component. Replace U401 Replace PANEL...
  • Page 33 4. Key Board OSD is unstable or not working Is Key Pad Board connecting normally? Connect Key Board Replace Button Switch Is Button Switch normally? Replace Key Board Is Key Pad Board normally? Check Main Board...
  • Page 34 5. Power Board 1) No power Check CN902 pin4, 5 = 12V Check AC line volt 110V or 220V Check AC input Check the voltage of C905(+) Check bridge rectified circuit and F901 circut Check start voltage for the pin8 of IC901 Check R904, R932, R933, and Change IC901 Check the auxiliary voltage is bigger than 10V and smaller than 20V...
  • Page 35 2.) No Backlight Check CN902 pin4, 5 = 12V Check the adapter and F801 Check ON/OFF signal and the pin 12 of IC801 is 12V Check main board or change ON/OFF signal Check the pin5 of IC801 have saw tooth wave Change IC801 Check the PWM wave from the pin9,10 of IC801 Check IC801...
  • Page 36: Chapter 5 Connector Information

    Chapter 5 Connector Information The following figure shows the connector locations on the monitor:...
  • Page 37: Chapter 6 Fru (Field Replacement Unit) List

    NOTE: To scrap or to return the defective parts, you should follow the local government ordinance or regulations on how to dispose it properly, or follow the rules set by your regional Acer office on how to return it. Exploded Diagram (Model: X193HQ)
  • Page 38: Part List

    Part List Above picture show the description of the following component. Item Picture Description Main Frame Bezel Panel...
  • Page 39 Power Board Main Board Audio Board...
  • Page 40: Chapter 7 Schematic Diagram

    AZC099-04S C114 VGA_PLUG DET_CABLE 候綼 U1 01 T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL ACER X193HQ/X183H Size 絬 隔 瓜 絪 腹 G2904-1D-2-X-8-080709 TPV MODEL T8RMM5D82WABAN 1C-2 Key Component 02.Input PCB NAME 715G2904-1D-2 <称爹>...
  • Page 41 10K 1/16W 5% NC \ CONN T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL Size ACER X193HQ/X183H Near to Connect 絬 隔 瓜 絪 腹 G2904-1D-2-X-8-080709 TPV MODEL T8RMM5D82WABAN 1C-2 Key Component 03.Scalar PCB NAME 715G2904-1D-2 <称爹>...
  • Page 42 PPWR_ON# PMBS3906 120OHM C421 100uF25V T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL Size ACER X193HQ/X183 G2904-1D-2-X-8-080709 TPV MODEL 絬 隔 瓜 絪 腹 T8RMM5D82WABAN 1C-2 Key Component 04.Output PCB NAME 715G2904-1D-2 <称爹> 称爹...
  • Page 43 R448 4K7 1/16W 5% U404 can use package 232 or 252. T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL ACER X193HQ/X183H Size G2904-1D-2-X-8-080709 TPV MODEL 絬 隔 瓜 絪 腹 T8RMM5D82WABAN 1c-2 Key Component 05.Power...
  • Page 44: Power Board

    Power board 1/4W R918 F902   0R05 1/4W +12V   1/4W R919 L904 C912 1.1uH 0.001uF ZD902   1/4W R920 RLZ13B C917 C918 680uF/25V 680uF/25V C922 T901 R929 ZD901 1K 1/8W D906 SP10100 BD901 R904 R905 C906 R908 1500pF2KV 2KBP08M 4K7 1/4W 100K  ...
  • Page 45 C803 1000pF T801 D805 R817 R821 POWER X'FMR BAW56 10K 1/10W 1K 1/10W 1% CN801 CONN R812 F801   1/4W 0 OHM 1/4W C819 0.01uF +12V C801 R801 15pF/6KV R806 C802 C824 R855 1K5 1/10W 1% D801 3.6K 1% 1/10W 470UF/25V 0.1uF 1/4W...
  • Page 46: Audio Board

    065G 60291252T R605 R606 065G 60262252T 065G 60210352T T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL acer X193HQ/X183 Size AUPC7QDA G2837-B-X-X-1-080310 TPV MODEL 絬 隔 瓜 絪 腹 715G2837-B Key Component 01 AUDIO PCB NAME 称爹...
  • Page 47: Key Board

    VOL+ POWER T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL Size TPV MODEL ACER 絬 隔 瓜 絪 腹 Key Component 02.Key Board PCB NAME <称爹> 称爹 Sunday , June 17, 2007 Sheet Date...