Acer X193HQ Technical Information

1 Acer X193HQ(AUO PANEL) Service Guide http://www.wjel.net

10LCD 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)

11 Electrical Characteristics Optical Specifications http://www.wjel.net

12Support Timing http://www.wjel.net

13Monitor 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 l

14Main Board Diagram Scalar IC TSUM1PFR-LF (Include MCU ,ADC, OSD) (U401) D-Sub Connector (CN101) H sync V sync RGB

15Software Flow Chart N Y 12NY5Y N 10Y N12Y N 7YN64389141113YN15YN16 1719Y N 18 http://www.wjel.net

16Remark: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

17Main Board Layout Symbol Description Symbol Description U401 IC TSUM1PFR-LF CN401 WAFER 6PIN U404 IC AP1117D33L-13 TO252-3L DIODES CN404 WAFER

18Installation To install the monitor on your host system, please follow the steps below: Steps 1 Connect the video cable A：Make sure both the monito

19Attaching/Removing the Base Attaching: Align the release button on the bottom of the monitor with the corresponding slots on the bottom of the base

2Service Guide Version and Revision Version Release Date Revision History TPV model A00 Aug.-23-2008 Initial Release T8RAM5D82WABAN

20Operating Instructions Press the power button to turn the monitor on or off. The other control

21eColor Management (OSD) http://www.wjel.net

22How to Adjust a Setting http://www.wjel.net

23 Adjusting the picture http://www.wjel.net

24 http://www.wjel.net

25Logo 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 &a

26Machine Disassembly This chapter contains step-by-step procedures on how to disassemble th

273. Remove the back cover and bezel. (Fig 3,4) Fig 3 Fig 4 http://www.wjel.net

284. 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. Remov

29 Fig 8 http://www.wjel.net

3Copyright Copyright © 2003 by Acer Incorporated. All rights reserved. No part of this publication may be reproduced, Transmitted, transcribed, store

30Troubleshooting This chapter provides troubleshooting information for the X193HQ: 1. No

312. No Picture (LED is orange) No picture The button if under control X401 oscillate waveform is normal Replace U401 Repl

323. Panel Power Circuit White screen Measure Q404 base is low level? X401 oscillate waveform is normal Check CN403 is solder and Q4

334. Key Board OSD is unstable or not working Is Key Pad Board connecting normally?Connect Key Board Is Button Switch normall

345. Power Board 1) No power Check bridge rectified circuit and F901 circut 1) Check IC901 2) Check R909/D901/C908 and OVP circuitCheck CN902 pin4

352.) No Backlight Check Q801, Q804, Q811, Q812, Q802 Check CN902 pin4, 5 = 12V Check the adapter and F801 Check ON/OFF signal an

36 36 Connector Information The following figure shows the connector locations on the monito

37 FRU (Field Replaceable Unit) List This chapter gives you the FRU (Field Replaceable Unit) listing in g

38Part List Above picture show the description of the following component. Item Picture Description 1 Main Frame 2 Bezel 3 Panel http://ww

39 4 Power Board 5 Main Board 6 Audio Board http://www.wjel.net

4Preface Before using this information and the product it supports, please read the following general information. 1. This Service Guide provides yo

40 Schematic Diagram Main Board H_Sy ncDDC1_SCLT8RMM5D82WABAN

41 VCC3.3U402SST25LF020A-33-4C-SAE1234 5678CE#SOWP#VSS SISCKHOLD#VDDR425, C418 depend oncase.C412 22pFR4010R05 1/16WFor ID2008X401PB6R424 NCVCC 1. 8

42 PB1PB3PB4PANEL_VCCPB7GLVB2MPB8PPWR_ON#R43310K 1/16W 5%PB0PB8LVB1PPA[0..1]5+C421100uF25VR434330 OHM 1/4WPB13R438NC/0ohmPB9CMVCC 7CN403 change to 14

43 VCC3.3C425NCVCC3.3+C423100uF25VMut e 5R450 NCNC(R0402)R442100R 1/16W 5%CN404CONN123456789BKLT-VBRIadj_BACKLIGHT 5D401T8RMM5D82WABAN 1c-2ACER X193

44 Power board !123456789CN902CONNECTORD901PS102R!VCCR905NCR9044K7 1/4WF9014A/250VR9140.27 2W　!R9161K5 1/8WR90910R 1/4W12FB901BEAD!R9302.4K 1% 1/10

45 D817IN4148WR82922R 1/8WR8273.6K OHM 1% 1/10WC8210.1uF/25VQ807NC1IN+11IN-2FEEDBACK3DTC4CT5RT6GND7C18E19E210C211VCC12OUTPUT CTRL13REF142IN-152IN+16

46 Audio board R60310K OHMR60410K OHMGND065G 60210352TC6020.47UF25V NCR60210K OHMCN603GNDCN602GNDR605NCL-L++C6091uF50V065G 60262252TGND8OHM SPKCN605R

47 Key board C007NC0 VC003NC2007/5/18(2K)1.1VVOL-VOL-LBADC2GND2GND-EMI1GZD001UDZS5.6BC008NCCN001ECOLORSW002SW1 24352007/5/18ECOLORC004NCCN001CONN12

5Precautions z Do not use the monitor near water, e.g. near a bathtub, washbowl, kitchen sink, laundry tub, swimming pool or in a wet basement. z D

6Table Of Contents Chapter 1 Monitor Features ………………………………………… 7 Introduction ……………………………………… 7 Electrical Requirements …………………………………

7Monitor Features Introduction Scope This specification defines the requirements for the

8Electrical Requirements Standard Test Conditions All tests shall be performed under the following conditions, unless otherwise specified. Ambient l

9LCD 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) Contrast Rat