Acer X173W Technical Information

1 Acer X173W Service Guide http://www.wjel.net

10 LCD Panel Specification General Specifications Mechanical Information http://www.wjel.net

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

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

13 Monitor Block Diagram The LCD MONITOR will contain a main board, a power board, and keypad board which house the flat panel control logic, bright

14Main Board Diagram MCU RTD 2120L (U401) Scalar IC RTD2025L (Include ADC, OSD) (U501) D-Sub Connecto

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

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)

17 Main Board Layout Symbol Description Symbol Description U201 056G 585 4A X401 093G 22 45 H U401 056G1125701 X CN201 033G3802 9 U402

18Installation http://www.wjel.net

19 Attaching/Removing the Base http://www.wjel.net

2Service Guide Version and Revision Version Release Date Revision History TPV model A00 Jul.-23-2007 Initial Release T77HRDDK2WAYNN

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

21 Front Panel Control http://www.wjel.net

22eColor Management (OSD) http://www.wjel.net

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

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

25 http://www.wjel.net

26 http://www.wjel.net

27 OSD Message a. Outline b. The Description For OSD Message Item Description Auto Config Please Wait When Analog signal input, if User Press Hot

28Logo 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 &

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

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

303. Remove the back cover and regard the hook. (Fig 3-4) Fig 3 Fig 4 4. Remove the bezel. (Fig 6) Fig 5 http://www.wjel.net

31 5. Remove the keyboard. (Fig 6) Fig 6 6. Remove the screws to remove the panel. (Fig 7-10) Fig 7 Fig 8 http://www.wjel.net

32 Fig 9 Fig 10 7. Remove the screw as following indicate to remove the main board and power board. (Fig 11-13) Fig 11 http://www.wjel.n

33 Fig 12 Fig 13 http://www.wjel.net

34Troubleshooting This chapter provides troubleshooting information for the X173W: 1

35 2. No Picture No picture Measure U201 PIN2=3.3V Replace U201 Check if X401oscillate waveforms are normal Replace X4

363. Panel Power Circuit 4. Keypad Board Check CN601 PIN 1,2,3 should have response from 0V to 5V When we

37 5. No Backlight Check C802 (+) =12V Change FB801Check ON/OFF signal Check Interface board Check IC801 pin12=12V? Change Q8

38Connector Information The following figure shows the connector locations on the monitor:

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

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

40Exploded Diagram (Model: X173W) http://www.wjel.net

41 Part List Above picture show the description of the following component. Item Picture Description 1 Base 2 shield 3 Key board 4

42 5 Power Board 6 Main Board http://www.wjel.net

43 Schematic Diagram Main Board '07-01-10 change to Eli

44ZD303UDZS5.6B1 2C3090.047uFC3085pF/50VZD302UDZS5.6B1 2C3040.047uFVGA_R+DSUB_CONNECT {4}RTD_B+R31475R 1/16WDDC1_SDA{4}R301 100R 1/16WR302 0R05 1/16

45 MCU_VCCIICSCL1R4134K7 1/16W2007-1-15 change from 4.7K to 2.2KDSUB_CONNECTR4156K8 1/16WCMVCCINV_ON#Volume#{2}R434 100R 1/16WReserve for powerBoard

46R1.8DVCCRXO0+CRYSTAR_OUTC5010.1uF/16VFB503120ΩT77SRDDNHSABN 1X173B56Monday , July 09, 2007715G2498-1-K-AC05.RTD2525LG2498-1-K-AC-1-070707OEM MODE

47 FB601120ΩRXE2-LVDS_O6RXE0+2RXO1+LVDS_E5RXO3-RXE3+R602330R 1/8W 5%1RXEC+RXE0+LVDS_E7RXO2-PPWR_ON#Q602PMBS39062006-11-7 Add pull up 4K7 to MVCCLVDS

48Power board C9010.001uF/250VR9302.43K 1% 1/10W　R962 100 1/4W　R939NCC925NCN.C!VOLD906SP10100123L9014.0mH1243!HS3HEAT SINK(Q901)12!SG901 NCD915LL4

49 C8381000pFD813LL4148WPC8420.01uFR82010K 1/10WD817LL4148WPR83747K 1/10WR8114.7K 1/10W　R85633 1/4W　FB801BEAD1 2R854NCR8081K 1/10W 1%R861NCR8261K

5 Precautions 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

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

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

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

9 LCD Monitor General Specification LCD Panel Driving system TFT Color LCD Active Display Area 367.92(H) × 229.5mm(V) Pixel pitch 0.255mm(H) × 0.