Vxl TC15yy User manual

TC15yy
Service Manual

Copyright © 2004-2013 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: September, 2012.
Version: TC15yy/SM-37-12.
VXL Instruments Ltd.,
House of Excellence,
No. 17, Electronics City,
Hosur Road,
Bangalore–560 100, INDIA.
www.vxl.net

Table of Contents
1Tools Required.......................................................................................................................................1
2Pedestal and Side Cover ........................................................................................................................3
Removing the Pedestal and Side Cover..................................................................................................3
Fixing the Pedestal and Side Cover........................................................................................................4
3Replacing RAM.......................................................................................................................................5
4Replacing Flash......................................................................................................................................7
5Replacing Wireless LAN .........................................................................................................................8
6Replacing the Motherboard...................................................................................................................10

Warning and Caution Statements
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 module, please reverse the direction

Tools Required 1
1 Tools Required
The tools required for servicing the TC 15yy series Thin Client are shown in Figure 1.
Figure 1: Tools Required
A. ALLEN Hex HEAD 2.0mm
Screwdrivers
A. HEX Screwdriver E. Hot Glue Gun with rod.
B. Star Screwdriver F. Isopropyl Alcohol ((CH3)2CHOH)
C. Nut Driver
D. Nose pliers

2 Tools Required
B. Phillips screwdriver
C. Hex Nut driver 5.0 mm
D. Nose pliers with spring

Pedestal and Side Cover 3
2 Pedestal and Side Cover
Removing the Pedestal and Side Cover
The procedure to remove the power adapter, pedestal and top cover of the Thin Client is explained in this
section.
To remove the pedestal and top cover:
1. Turn Off the power to the client.
2. Unplug and remove the power adapter from its connector at the back of the client.
3. Unlock and remove the pedestal as shown in Figure 2.
Figure 2: TC15yy Series
4. Using the star screwdriver ( Item B in Figure 1) unscrew the 4 screws shown in Figure 3.
Figure 3: Side Cover Screws

4 Pedestal and Side Cover
Note: Retain the screws for future use.
5. Pull the side cover upwards and remove it as shown in Figure 4.
Figure 4: Side Cover
Fixing the Pedestal and Side Cover
To fix the side cover, pedestal and power adapter:
1. Gently press the side cover downwards.
2. Using the star screwdriver tighten the four screws holding the side cover.
3. Fix the pedestal and lock it.
4. Switch On the power to the client.

Replacing RAM 5
3 Replacing RAM
To replace RAM:
1. Remove the power adapter, pedestal and side cover . For more information see, section
‘Removing the Pedestal and Side Cover’ on page 3.
Note: If the RAM is fixed using glue, apply isopropyl alcohol on the glue holding the RAM,
pull the glue out using the nose pliers.
2. Unlock the clip on either side of the RAM, by pushing it sideways simultaneously.
Figure 5: RAM Socket Clips
3. Remove the existing RAM from the socket by pulling it outward.
Figure 6: Remove RAM
4. Insert the new RAM in the socket.
Note: Ensure that the new RAM is of the same dimensions as the existing RAM.
5. Press the RAM downwards until the clip at each end of the socket lock into position.

6 Replacing RAM
Note:
You will hear a distinctive click, indicating the module is correctly locked into position.
Use the hot glue gun to fix the RAM with glue.
6. Fix the top cover, pedestal and power adapter. For more information see, section ‘Fixing the
Pedestal and Side Cover’ on page 4.

Replacing Flash 7
4 Replacing Flash
To replace Flash:
1. Remove the power adapter, pedestal and side cover. For more information see, section
‘Removing the Pedestal and Side Cover’ on page 3.
Note: If the flash is fixed using glue, apply isopropyl alcohol on the glue holding the RAM,
pull the glue out using the nose pliers.
2. Gently pull the IDE flash up from the socket, as shown in Figure 7.
Figure 7: Flash
3. Place the new flash in the free socket and press it downwards.
Note:
Ensure that the new Flash is of the same dimensions as the previous one and has the
correct software image installed on it.
Use the hot glue gun to fix the Flash with glue.
4. Fix the top cover, pedestal and power adapter. For more information see, ‘Fixing ’on page 4.

8 Replacing Wireless LAN
5 Replacing Wireless LAN
To replace wireless LAN:
1. Remove the power adapter, pedestal and side cover. For more information see, section
‘Removing the Pedestal and Side Cover’ on page 3.
2. Unscrew and remove the antenna.
Figure 8: Unscrew Antenna
3. Using the nut driver ( Item C in Figure 1) remove the nut and tooth washer.
Figure 9: Nut and Tooth Washer
4. Remove the WLAN PCB.

Replacing Wireless LAN 9
Figure 10: WLAN PCB
5. Pull in and remove the antenna cable.
Figure 11: Antenna Cable
6. Insert the antenna cable of the new Wireless LAN.
7. Fix the WLAN PCB.
8. Using the nut driver ( Item C in Figure 1), fix tooth the washer and nut.
9. Fix and tighten the antenna.
10. Fix the top cover, pedestal and power adapter. For more information see, Fixing on page 4.

10 Replacing the Motherboard
6 Replacing the Motherboard
To replace the motherboard:
1. Remove the power adapter, pedestal and side cover. For more information see, section
‘Removing the Pedestal and Side Cover’ on page 5.
2. Using the nut driver ( Item C in Figure 1), remove spacer from the DVI-I connector.
Figure 12: DVI Connector Spacer.
3. Unscrew and remove front bezel.
Figure 13: Front Bezel Screws
4. Using the star screw driver ( Item B in Figure 1) unscrew and remove the front panel.
Figure 14: Front Panel

Replacing the Motherboard 11
5. Using the start screwdriver ( Item B in Figure 1) unscrew the motherboard screw.
Figure 15: Motherboard Screws
6. Slide and remove the motherboard.
Figure 16: Motherboard
7. Replace the existing motherboard with a new motherboard.
8. Using the star screwdriver, fix the motherboard.
9. Fix the front panel and the front bezel.
10. Fix the DVI-I connector spacers.
11. Fix the side cover, pedestal and power adapter.
12. Fix the top cover, pedestal and power adapter. For more information see, Fixing on page 4.