TM 70 Service Manual 20090319
Contents
1. Chapter 3 5 7 Unplug the power cable 8 Unplug the AC inlet as shown below 9 Loosen and remove the two screws fixing the power adapter bracket by 1 Phillips screwdriver 10 Remover the power adapter and the power adapter bracket 6 Chapter 3 11 Loosen and remove the two screws fixing the AC inlet bracket by 1 Phillips screwdriver 13 Remove the AC inlet Chapter 3 7 14 Loosen the two screws and remove the control board 15 Loosen the six screws as shown 16 Remove the base unit 8 Chapter 3 4 The Main Unit 4 1 Electrical Component Dissemble 1 Unplug the inverter cable from the AD board 2 3 Chapter 4 9 4 Unplug the touch cable from the bridge board 5 7 Unplug the two cables from the touch control board 1 0 Chapter 5 8 Loosen the four screws and remove the touch control board as shown 9 Loosen the four screws and remove the bridge board as shown Chapter 4 i 11 4 2 LCD Panel Assembly Dissemble 1 Loosen the two screws fixing the LED lens by 1 Phillips screwdriver and remover the LED lens as shown below 3 Remove the LCD panel assembly as shown below 1 2 Chapter 5 4 Loosen the four screws fixing the speaker assembly and remove the speaker assembly 5 Loosen the four screws and cut the white belt as shown below Chapter 4 13 6 Loosen the two screws fixing the touch panel other si2. Service Manual TM 70 Copyrights 2009 All rights reserved The information in this document is subject to change without prior notice in order to improve reliability design and function and does not represent a commitment on the part of the manufacturer This document contains proprietary information protected by copyright All rights are reserved No part of this manual may be reproduced by any mechanical electronic or other means in any form without prior written permission of the manufacturer All trademarks are property of their respective owners Liability Disclaimer In no event will the manufacturer be liable for direct indirect special incidental or consequential damages arising out of the use or inability to use the product or documentation even if advised of the possibility of such damages The information in this document is subject to change without notice Contents RB ec es ter eget ete TNF D ae tN pasta peeisiees wet nse catsa aie nsaed paged taeea diamine nteamenemaweenes acters ined eee erates dc ec ened era EEE AEA E il Be TOU SAT r ean eee etre 1 2 Separate the Device ccccccccssceeeseceeseeeeseeeeneeceseecesesenseseeseeeenesseneenes 2 3 Base Unit and Back Cover Dissemblle sscssseeseeeeeseeseeeeeees 4 Pe TP gO CIN E re eastern ees eee eee eee 9 4 1 Electrical Component Dissemble ccssecceeseeceeneeeeseeseeneeseeneeseenenees 9 4 2 LCD P
3. anel Assembly DisSeMble ccscscceeseeeeseeeeseseeseeeasenenseneneenees 12 Be Oe sia sapere eas are eetaeet a 15 T Contents 1 Before You Start 1 Please unplug the power cable before you start to work 2 Please read and follow the instructions in this document carefully Failure to follow these instructions could damage your device and void the warranty 1 1 Tools Suggested All procedures in this document require the following tools dm Fz 0 Phillips screwdriver 1 Phillips screwdriver magnetized suggested magnetized suggested Chapter 1 1 2 Separate the Device 1 Remove the right hinge cover and the left hinge cover as shown below 2 Loosen and remove the two screws by 1 Phillips screwdriver as shown below 3 Open the device 2 Chapter 2 4 Unplug the power connector speaker cable VGA cable and the touch cable as shown below h i 5 Unplug the LED indicator connector and remove the LED connecter a 7 Separate the device Chapter 2 3 Base Unit and Back Cover Dissemble 1 Loosen the four screws to remove the four rubber pads by 1 Phillips screwdriver 2 Remove the base chassis 4 Chapter 3 4 Loosen the two screws and remove the metal cover VAL F l n Din DDN 6 Remove the black tape as shown below Now you can pull the power connector speaker cable VGA cable and the touch cable out from the base unit
4. des as shown below 14 Chapter 5 Troubleshooting Symptom Check Points Detail Steps NO POWER LCD Blank Chapter 5 1 Power cord 2 Power Supply 3 Power button cable 4 A D board 1 Inverter Cable 2 Inverter to LCD cable 3 A D board to LCD cable 4 Inverter Board 5 A D Board 5 1 Check Power Cord is well plugged or not 2 If yes to item 1 check power supply LED is on with green light 3 If yes to item2 check power cord to M B well connected or not 4 If yes to item 3 replace with another power cord for testing 5 If fail open rear cover remove inverter cable on A D board check power button cable to M B well connected 6 If yes to item 5 unplug power cord reconnect power cold after 1 minute Check if LED on front cover Upper Left is on 7 If LED is on replace with another power button cable for testing 8 If LED is not on replace with another A D board for testing 9 If fail System RMA to your dealer 1 Shut Down Power 2 Open rear cover check if inverter cable well connected between A D board and inverter board 3 If yes replace with another inverter cable for testing 4 If fail check if LCD cable well connected with inverter board 5 If yes replace with another LCD cable for testing 6 If fail check if LCD signal cable well connected on A D board 7 If yes replace with another LCD signal cable for testing 8 If fail replace with another inverter boa
5. rd for testing 9 If fail replace with another A D board for testing 10 If fail System RMA to your dealer 19 Symptom Check Points Detail Steps LCD Turn Black 1 Inverter Cable 2 Inverter to LCD cable 3 A D board to LCD cable 4 Inverter Board 5 A D Board Touch 1 Driver NA malfunction 2 Touch to MB cable 3 Touch controller 4 Touch panel 16 1 Shut Down Power 2 Open rear cover open EMI chassis check if inverter cable well connected between A D board and inverter board 3 If yes replace with another inverter cable for testing 4 If fail check if LCD cable well connected with inverter board 5 If yes replace with another LCD cable for testing 6 If fail check if LCD signal cable well connected on A D board 7 If yes replace with another LCD signal cable for testing 8 If fail replace with another inverter board for testing 9 If fail replace with another A D board for testing 10 If fail System RMA to your dealer 1 Reinstall touch driver 2 If fail shut down power 3 Open rear cover remove inverter cable on A D board 4 Check if touch panel cable well connected with touch controller 5 If yes to item 4 replace with another touch controller for testing 6 If fail replace with another touch panel for testing 7 If fail RMA system to your dealer Chapter 5
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