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Vxl Itona Md75 Service Manual

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Itona Md75
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Summary of Contents for Vxl Itona Md75

  • Page 1 Itona Md75 Service Manual...
  • Page 2 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.

  • Page 3: Table Of Contents

    Table of Contents Tools Required Removing the Power Adapter Dismantling the VESA Dock Removing the Top Cover Replacing RAM Replacing the Flash Replacing the Speaker Removing the Front Panel Replacing the Motherboard...
  • Page 4 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.

  • Page 5: Tools Required

    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 D. Nose pliers Tools Required...

  • Page 6: Tools Required

    E. Isopropyl Alcohol ((CH CHOH) F. Hot Glue Gun with Rod Table 1-1: Tools Required Tools Required...

  • Page 7: Removing The Power Adapter

    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.
  • Page 8 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.

  • Page 9: Dismantling The Vesa Dock

    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.

  • Page 10: Removing The Top Cover

    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 Removing the Top Cover...
  • Page 11 3. Slide and remove the side mask as shown in Figure 4-3. Figure 4-3: Removing the Side Mask 4. Using the Philips screwdriver, unscrew the six screws holding the aluminum top cover as shown in Figure 4-4. Figure 4-4: Unscrewing the Aluminum Top Cover Screws Note: Retain the screws for reassembly Remove the aluminum top cover.

  • Page 12: Replacing Ram

    Replacing RAM 1. Remove the power cord and top cover as described on page 5. 2. Apply isopropyl alcohol on the glue holding the DDR3 RAM; pull the glue out using nose pliers. Figure 5-1: RAM Socket Clips 3. Remove the existing RAM from the SO-DIMM slot by unlocking the holders and pulling it outward.

  • Page 13: Replacing Ram

    Note: You will hear a distinctive click sound, indicating that the DDR3 RAM is correctly locked into position. Apply hot glue on the DDR3 RAM holder using Hot Glue Gun to hold the RAM in place. 7. Replace the top cover as described on page 5 and connect the external cables. Replacing RAM...

  • Page 14: Replacing The Flash

    Replacing the Flash 1. Remove the power cord and top cover as described on page 5. 2. Using the star screwdriver, remove the two screws holding the Solid State Drive (SSD). Gently pull the SSD from the socket, as shown in Figure 6-1. Figure 6-1: Removing the SSD Place the new SSD in the socket and press to snap-fit.

  • Page 15: Replacing The Speaker

    Replacing the Speaker 1. Disconnect the speaker cable from the motherboard as shown in Figure 7-1. Figure 7-1: Removing the Speaker Cable 2. Using the star screwdriver, unscrew the two screws holding the speaker as shown in Figure 7-2. Figure 7-2: Unscrewing the Speaker Screws Note: Retain the screws for reassembly Replacing the Speaker...
  • Page 16 3. Push the speaker out of its slot as shows in Figure 7-3. Figure 7-3: Removing the Speaker 4. Replace the old speaker with a new one. 5. Using the star screw driver, fix the new speaker in its place. 6.

  • Page 17: Removing The Front Panel

    Removing the Front Panel 1. Gently pull the bezel tabs outward on both the top and bottom strips simultaneously. Figure 8-1: Removing the Bezel Tabs 2. Push and remove the front bezel as shown in Figure 8-2. Figure 8-2: Removing the Front Bezel 3.

  • Page 18: Removing The Front Panel

    Figure 8-3: Removing the Monitor Side VESA Dock 6. Using the Philips screwdriver, unscrew the retaining screws holding the Client Side VESA dock. Figure 8-4: Removing the Client Side VESA Dock Removing the Front Panel...
  • Page 19 7. Remove the side mask as shown in Figure 8-5. Figure 8-5: Removing the Side Mask Note: Ensure that the position of the inlay card does not change when the client is reassembled. 8. Apply isopropyl alcohol on the glue holding the cables; pull the glue out using nose pliers. 9.
  • Page 20 11. Slide out and remove the Front Panel as shown in Figure 8-7. Figure 8-7: Removing the Front Panel 12. Using the Philips screwdriver, unscrew the screws holding the Front Panel Printed Circuit Board (PCB). Figure 8-8: Unscrewing the Front Panel PCB Screws Removing the Front Panel...
  • Page 21 13. Pull out the PCB from the Front Panel as shown in Figure 8-9. Figure 8-9: Removing the Front Panel PCB 14. Replace the Front Panel by following the above instructions in reverse order. Note: Ensure that the VXL logo on the side mask is positioned upright during reassembly. Removing the...

  • Page 22: Replacing The Motherboard

    Replacing the Motherboard 1. Remove the power cord and top cover as described on page 5. 2. Remove the front bezel and the bottom side mask. Refer to the instructions 1 to 7 of Removing the Front Panel. 3. Apply isopropyl alcohol on the glue holding the cables; pull the glue out using nose pliers. Figure 9-1: Glue Holding the Cables Figure 9-2: Removing the Speaker and the Front Panel Cables Replacing the...
  • Page 23 4. Unplug the Speaker and the Front Panel cables. 5. Using the star screwdriver, unscrew the two screws holding the Input/Output (I/O) panel. Figure 9-3: Unscrewing the Screws Holding the I/O Panel 6. Remove the I/O panel as shown in Figure 9-4. Figure 9-4: Removing the I/O Panel 7.
  • Page 24 Note:  While replacing the motherboard, ensure that you connect the cables into the same ports from which you removed them.  Do not connect the cable to the COM 3 Port. 8. Using the Phillips screwdriver remove the four screws holding the motherboard as shown in Figure 9-5.
  • Page 25 Remove the motherboard from the cabinet as shown in Figure 9-6. Figure 9-6: Removing Motherboard 10. Replace the existing motherboard with a new motherboard. Note: Ensure that you use only Acrylic Coated motherboard as replacement. 11. Replace the supporting rubber cushions with new ones as shown in Figure 9-7. Figure 9-7: Supporting Rubber Cushions Replacing the Motherboard...
  • Page 26 12. Using the Philips screwdriver fix the motherboard using the four available screws. 13. Connect the cables into their respective slots. Refer to Figure 9-1 and Figure 9-2. 14. Replace the I/O Panel. Note: When replacing the I/O panel, ensure that you place it in the grooves provided in the chassis as shown in the following figure.

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