Acer B193W Technical Information

1 Acer B193W Service Guide http://www.wjel.net

10LCD Panel Specification TPM190A1(PW01) is a 19” wide TFT Liquid Crystal Display module with 2ch-LVDS interface. This module supports 1440 x 900 W

11 Function Block Diagram Electrical Characteristics http://www.wjel.net

12Optical Specifications http://www.wjel.net

13 Support Timing Horizontal Vertical Mode Resolution Total Nominal Frequency+/- 0.5kHzSync PolarityNominal Freq. +/- 1 Hz Sync PolarityNomina

14Monitor Block Diagram The LCD MONITOR will contain a main board, a power board, and key board which house the flat panel control logic, brightness

15 Main Board Diagram U401 Scalar IC TSUM5PFHL-LF (Include MCU ,ADC, OSD) · D-Sub Connector (CN101) H

16Software Flow Chart N Y 12NY5Y N 10Y N12Y N 7YN64389141113YN15YN16 1719Y N 18 http://www.wje

17 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)

18Main Board Layout Symbol Description Symbol Description CN402 WAFER CN102 DVI 24PIN CONNECTOR CN701 WAFER 9P RIGHT ANELE PITCH U103/U104/U

19 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 mon

2Service Guide Version and Revision Version Release Date Revision History TPV model A00 Mar.-28-2008 Initial Release T97AMLD8W7ABDN/ T97AMLD8W7

20Attaching/Removing The Base Install: Align the base with the stand and push the base towards the top of the monitor, and then rotate the base cloc

21 Tilt Please see the illustration below for an example of the tilt range. Swivel With the built-in pedestal, you can swivel the monitor for the m

22Operating Instructions Press the power button to turn the monitor on or off. The other control

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

24How to Adjust a Setting http://www.wjel.net

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

26 http://www.wjel.net

27 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

28Machine Disassembly This chapter contains step-by-step procedures on how to disassemble t

29 3. Remove the lamp connectors and the screw. (Fig 3-4) Fig 3 Fig 4 4. Remove the screws to remove the panel. Put attention to the LVDS

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

30Troubleshooting This chapter provides troubleshooting information for the B193W: 1

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

323. Panel Power Circuit White screen Measure Q301 base is low level? X401 oscillate waveform is normal Check CN301 is solder and Q

33 4. Key Board OSD is unstable or not working Is Key Pad Board connecting normally?Connect Key Board Is Button Switch norma

345. Power Board No power Check to CN902 Pin10,11 =14V and Pin6,7 = 5 V OK Check Interface board Check AC line volt 120V or 220VChange F901, Chec

35 W/LED No Backlight Check the 14V voltage input Check the adapter Check ON/OFF signal Check Interface board Check

36Connector Information The following figure shows the connector locations on the monitor:

37 DVI Connector http://www.wjel.net

38FRU (Field Replaceable Unit) List This chapter gives you the FRU (Field Replaceable Unit) listing in gl

39 Part List Above picture show the description of the following component. Item Picture Description 1 HINGE ASSEMBLY 2 MAIN FRAME 4 Pane

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

40 5 Power Board 6 Main Board 7 FFC CABLE http://www.wjel.net

41 Schematic Diagram Main Board R115 100R 1/16W 5%DSUB_V 2DS

42C3020.1uF/16VPA[0..9]LVB3MLVA0PRXOC-LVB3PU301NC\AO441112348765SSSGDDDDPB[0..9]PB93PB4C3010.1uF/16VRXEC+PB1LVB1MRXO0+1LVA0MRXE3-RXO1+PA3PA8Q3022N39

43 CMVCCFB701NCR701CMVCCVCTRL Q702KN2907AS0R05 1/4WNCVolume# 2VCC3.3R70510K 1/16W 5%TSUMO58CWHLInternal EDID BAT54CC7010.1uF/16VPANEL_ID# 2BKLT-VBR

44DDC1_SDA1FB404300OHMFB405 and C436PANEL_ID # 4R136VCC 3. 3DSUB_G+1C4230.22uF16VDel C20910uF/50VU402C4030.1uF/16VR44110K 1/16W 5%C4100.1uF/ 16VDSUB

45 Power board !+5VCN902HARNESS1234567891011121314R907NCC9300.1uFMUTER962 100 OHM 1/4W-+BD9012KBP08M2134L9041.1uH!!R93810K 1/8WZD901NC1 2!R9251K 1/8

46R8351M 1/10W 5%C8452.2uF/16VD806LL4148R8193.6K OHM 1% 1/10WQ810RK7002R8091K 1/10W 1%R82047K 1/10WC8015pF/6KVD810NCDIMR8121K 1/10W 1%R8112.4K OHM 1

47 R6080R05 1/8WLOUT-C617 0.47uF/16Vchange R601 R613+5V_AudioCN602PHONEJACK12354R60510K 1/10W 5%R613330 OHM +-5% 1/10WR617 1K 1/10W 5%CN604 ㎝ CN603

48Key board LED_RED#C006NCECOLORECOLORVOL+R001 2K OHM 1/16WECOLORC008NC(GND)LBADC1LEDC005NCCN001CONN123456C007NCAUTOLED_RED#POWER_KeyC002NCLED001LED

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 Driving system TFT Color LCD Active Display Area 408.24 (H) x 255.15 (V) Pixel pitch 0.2835(H) x 0.2835(W) C