EBN Technology TM-70 Service Manual Download Page 3

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Contents

Copyrights .................................................................................................i

Liability Disclaimer ...................................................................................i

Contents....................................................................................................ii

1. Before You Start ...................................................................................1

2. Separate the Device .............................................................................2

3. Base Unit and Back Cover Dissemble ...............................................4

4. The Main Unit........................................................................................9

4.1. Electrical Component Dissemble ............................................................... 9

4.2. LCD Panel Assembly Dissemble............................................................... 12

5 Troubleshooting ..................................................................................15

Summary of Contents for TM-70

Page 1: ...Service Manual T TM M 7 70 0...

Page 2: ...erved 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 respect...

Page 3: ...i Liability Disclaimer i Contents ii 1 Before You Start 1 2 Separate the Device 2 3 Base Unit and Back Cover Dissemble 4 4 The Main Unit 9 4 1 Electrical Component Dissemble 9 4 2 LCD Panel Assembly D...

Page 4: ...nd 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 th...

Page 5: ...Chapter 2 2 2 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...

Page 6: ...nplug the power connector speaker cable VGA cable and the touch cable as shown below 5 Unplug the LED indicator connector and remove the LED connecter 6 Loosen the four screws fixing the hinge 7 Separ...

Page 7: ...3 4 3 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 3 Unplug the connector and cut the white belt as...

Page 8: ...o screws and remove the metal cover 5 Loosen the six screws and remove the EMI cover 6 Remove the black tape as shown below Now you can pull the power connector speaker cable VGA cable and the touch c...

Page 9: ...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 ad...

Page 10: ...ter 3 7 11 Loosen and remove the two screws fixing the AC inlet bracket by 1 Phillips screwdriver 12 Loosen and remove the screw fixing the grounding wire by 1 Phillips screwdriver 13 Remove the AC in...

Page 11: ...Chapter 3 8 14 Loosen the two screws and remove the control board 15 Loosen the six screws as shown 16 Remove the base unit...

Page 12: ...Chapter 4 9 4 4 The Main Unit 4 1 Electrical Component Dissemble 1 Unplug the inverter cable from the AD board 2 Unplug the speaker cable from the AD board 3 Unplug the power cable from the AD board...

Page 13: ...er 5 10 4 Unplug the touch cable from the bridge board 5 Unplug the connecter from the inverter 6 Loosen the two screws and remove the inverter as shown 7 Unplug the two cables from the touch control...

Page 14: ...hapter 4 11 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 10 Loosen the four screws and remove the AD board as show...

Page 15: ...le 1 Loosen the two screws fixing the LED lens by 1 Phillips screwdriver and remover the LED lens as shown below 2 Loosen and remove the ten screws fixing the back cover by 1 Phillips screwdriver 3 Re...

Page 16: ...Chapter 4 13 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...

Page 17: ...14 6 Loosen the two screws fixing the touch panel other sides as shown below 7 Remove the touch panel and now you can access the LCD panel 8 Loosen the four screws and separate the bracket from the L...

Page 18: ...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 LCD Blank 1 Inverter Cable 2 Inverter to LCD cabl...

Page 19: ...eck 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...