Acer B193R Bedienungsanleitung

1 Acer B193R Service Guide

10LCD Panel Specification General Specifications Mechanical Information Electrical Characteristics

11 Optical Specifications

12Support Timing

13 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

14Main Board Diagram U203 Scalar IC NT68665MFG-128 (Include MCU ,ADC, OSD) · D-Sub Connector (CN101) H

15 Software Flow Chart N Y 12NY5Y N 10Y N12Y N 7YN64389141113YN15YN16 1719Y N 18

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 CN407 WAFER CN102 DVI 24PIN CONNECTOR CN301 WAFER 9P RIGHT ANELE PITCH U203 IC N

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 moni

19 Attaching/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 clo

2Service Guide Version and Revision Version Release Date Revision History TPV model A00 Mar.-24-2008 Initial Release T97HNAD8K3ABHN/ T97HNAD8K3

20Tilt 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 mo

21 Operating Instructions Press the power button to turn the monitor on or off. The other contro

22eColor Management (OSD)

23 How to Adjust a Setting

24Adjusting the picture

25

26Logo 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 &

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

283. Remove the lamp connectors and the screw. (Fig 3) Fig 3 4. Remove the screws to remove the panel. Pay attention to the LVDS cable.(Fig

29 5. Remove the screws to remove the main board and power board.( Fig 6) Fig 6

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 B193R: 1

31 2. No Picture (LED is orange) No picture The button if under control X201 oscillate waveform is normal Replace U203 Re

323. Panel Power Circuit White screen Measure Q301 base is high level? X201 oscillate waveform is normal Check CN402 is solder and

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

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 3 Panel

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

40 4 Power Board 5 Main Board 6 FFC CABLE

41 Schematic Diagram Main Board R127100R 1/16W120D108BAV9931

42MC U_V DDPANEL_I DX4CN202NC/4PIN 2.0mm CONN1234DDC_WP 2T3M 5TX0.1uSMT TYPEMCU_VDD1H_SCLC2010.1uF 16VR232 N C/ 0R05 1/16WCVDD18AVCCGIN +2TCLK1P 5HS

43 +C30210uF/16V070617 CHANGE+5VC3030.1uF 16VBRIGHTNESS 3,5C3110.1uF 16VR3144K7 1/16WR3111K 1/16WU303NC/LD1117S333 21VI VOGNDC3041uF 16V+5VQ302AO34

44R410100R 1/16WOPTION(AUDIO CONTROL)AUDIO_STDBY 3T4P3CN405NC/CONN1234567R4320R05 1/16WT0PT3MTCLK2MT5P170P8Change R418 to 330 to reduce the LED lumi

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 376.32 (H) x301.056 (V) Pixel pitch 0.294(H) x 0.294(V) C