Acer B193W - Bdmh Wide-screen LCD Monitor Technical Information

1 Acer V193W Service Guide

10 LCD Panel Specification TPM190A1(PW01) V0A1 is a 19” wide TFT Liquid Crystal Display module with 2ch-LVDS interface. This module supports 1440 x

11 Function Block Diagram Electrical Characteristics

12 Optical Specifications

13 Support Timing Horizontal Vertical Mode Resolution Total Nominal Frequency +/- 0.5kHz Sync Polarity Nominal Freq. +/- 1 Hz Sync Polari

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

15 Main Board Diagram Scalar IC TSUM1PFR-LF (Include MCU ,ADC, OSD) (U401) D-Sub Connector (CN101)

16 Software Flow Chart N Y 1 2 N Y 5 Y N 10 Y N 12 Y N 7 Y N 6 4 3 8 9 14 11 13 Y N 15 Y N 1

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

18 Main Board Layout Symbol Description Symbol Description U401 IC TSUM1PFR-LF CN401 WAFER 6PIN U404 IC AP1117D33LA TO252-3L ATC CN404 WAF

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

2 Service Guide Version and Revision Version Release Date Revision History TPV model A00 Mar.-17-2008 Initial Release T97AMRD8W7ABNN

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

21 Operating Instructions Press the power b

22 eColor Management (OSD)

23 How to Adjust a Setting

24 Adjusting the picture

25

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

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

28 Machine Disassembly This chapter

29 3. Remove the back cover and bezel. (Fig 3) Fig 3 4. Remove the lamp connectors and the screw. (Fig 4-5) Fig 4 Fig 5

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

30 5. Remove the screws to remove the panel. Put attention to the LVDS cable.(Fig 6-7) Fig 6 Fig 7 6. Remove the screws to remove the mai

31 Troubleshooting This

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

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

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

35 5. 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 220V Change F901, C

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

37 Connector Information

38 FRU (Field Replaceable Unit) List This chapter gives you th

39 Part List Above picture show the description of the following component. Item Picture Description 1 Base 2 Main Frame 4 Panel

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

40 5 Power Board 6 Main Board

41 Schematic Diagram

42 NCLED_ORANGER419 100R 1/16W 5%R430 NCCL of SPECLED_ORANGEPOWER_KEY#R405 100R 1/16W 5%Cs and Cd (C411, C412)CMVCC1CMVCC170.22uF16VU402SST25VF010A-

43 PB2PA0PA6PB5PA[0..1]5PB8+C421100uF25VDPA4PA8PA[4..9]5PB9PA7R4354K7 1/16W 5%PB2R434330 OHM 1/4WPA8CMVCCPB8C4190.1uF/16VPA1Q404PMBS3906PB[0..9]5PB

44 R458NCVolume# 5DSUB_5VCMVCCC4220.1uF/16VESD_VCC 2OTHERVCC3.3R44710K 1/16W 5%C4320.1uF/16VNCVolumeMute 5R4484K7 1/16W 5%U404AP1117D33LA123ADJ(GND)

45 Power board

46

47 Key board LED_RED#C006NCECOLORECOLORVOL+R001 2K OHM 1/16WECOLORC008NC(GND)LBADC1LEDC005NCCN001CONN123456C007NCAUTOLED_RED#POWER_KeyC002NCLED001L

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. 

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

7 Monitor Features Introducti

8 Electrical 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)