Vxl Itona Md75 Manuel utilisateur
Itona Md75
Service Manual
Copyright © 2004-2014 VXL Instruments Limited. All Rights Reserved
Information in this document is subject to change without notice and does not represent a
commitment on the part of the manufacturer. No part of this guide may be reproduced or
transmitted in any form or means, electronic or mechanical, including photocopying and
recording, for any purpose, without the express written permission of the manufacturer.
Every effort has been made to make this guide as complete and as accurate as possible, but
no warranty or fitness is implied. The authors and the publisher shall have neither
responsibility nor liability to any person or entity with respect to loss or damages arising from
the use of information contained in this guide. This disclaimer does not apply in countries
where such provisions are inconsistent with local law.
All Trademarks are acknowledged.
Last Updated: May, 2014.
Version: Md75/SM-21-14
VXL Instruments Ltd.,
House of Excellence,
No. 17, Electronics City,
Hosur Road,
Bangalore–560 100, INDIA
www.vxl.net
i
Table of Contents
1Tools Required 1
2Removing the Power Adapter 3
3Dismantling the VESA Dock 5
4Removing the Top Cover 6
5Replacing RAM 8
6Replacing the Flash 10
7Replacing the Speaker 11
8Removing the Front Panel 13
9Replacing the Motherboard 18
ii
Warning and Caution
Warning: It is best to wear an electrostatic discharge (ESD) cuff when handling electronic
components (Motherboard, RAM and Power Supply).
Warning: Please ensure that the power supply is switched off before unplugging the power supply
connector from the motherboard.
Caution: Memory modules have a foolproof insertion design. A memory module can be installed in
only one direction. If you are unable to insert the memory module, please reverse the direction and
insert
Tools Required 1
1 Tools Required
The tools required for servicing the Itona Md75 Thin Client are shown in Table 1-1.
A. Star Screwdriver 1.7 mm
B. Phillips Star Screwdriver
C. Hex Nutdriver 5.0 mm
E. D. Nose pliers
Tools Required 2
Table 1-1: Tools Required
E. Isopropyl Alcohol ((CH3)2CHOH)
F. Hot Glue Gun with Rod
Removing the Power Adapter 3
2 Removing the Power Adapter
1. Turn off the power supply to the client.
2. Remove the power cord from the power cord anchor.
Figure 2-1: Removing the Power Cord
3. Unfasten the captive screw holding the power adapter as shown in Figure 2-2.
Figure 2-2: Removing the Power Adapter
To replace the power adapter:
1. Use cable ties to route the new power adapter cable as shown in Figure 2-3.
Removing the Power Adapter 4
Note: Use cable ties of the following dimension:
Smaller cable tie used to route the power cable: 100 mm length.
Longer cable tie used to route the power cable and the adapter: 200 mm length.
Figure 2-3: Routing the New Power Adapter
2. Place the power adapter in the power adapter cradle.
3. Route the DC connector through the power cord anchor.
Dismantling the VESA Dock 5
3 Dismantling the VESA Dock
1. Turn off the power supply to the client.
2. Remove all the cables connected to the client.
3. Unfasten the captive screw holding the Stand Side dock as shown in Figure 3-1.
4. Slide out the Monitor Side dock as shown in Figure 3-1.
Figure 3-1: Removing the Monitor Side Dock
5. Using the Philips Screwdriver, unscrew the four screws holding the Client Side dock and
the power adapter cradle as shown in Figure 3-2.
Figure 3-2: Removing the Client Side Dock
6. Remove and retain the dock and the power adapter cradle.
Note: Retain the screws for reassembly.
7. For reassembly, follow the above instructions in the reverse order.
Removing the Top Cover 6
4 Removing the Top Cover
1. Using the Philips screwdriver, unscrew the screw on the top and bottom strip.
Figure 4-1: Unscrewing the Top and Bottom Strip Screws
2. Slide out and remove the top and bottom strip as shown in Figure 4-2
Figure 4-2: Removing the Top and Bottom Strip
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