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3. Mark and remove all connectors.
4. Using a Phillips #1 screwdriver, remove the four screws from metal plate covering the power

board and the two screws securing the power board to the display panel.

5. Replace the power board.
6. To install the replacement part, follow these steps in reverse order.

Replacing the main AD board

Learn how to remove and replace the main AD board.

1. Remove the rear cover.
2. Mark and remove all connectors.
3. Using a Phillips #1 screwdriver, remove the six screws securing the main AD board to the

display panel.

4. Replace the main AD board.
5. To install the replacement part, follow these steps in reverse order.

Replacement procedures

UHD551-L Service Guide

11

020-102683-01 Rev. 1 (01-2018)

Copyright 

©

 2018 Christie Digital Systems USA Inc. All rights reserved.

Summary of Contents for UHD551-L

Page 1: ...Service Guide 020 102683 01 UHD551 L ...

Page 2: ...esigned for outdoor use problems or damage caused by use of the product outdoors unless such product is protected from precipitation or other adverse weather or environmental conditions and the ambient temperature is within the recommended ambient temperature set forth in the specifications for such product g Image retention on LCD flat panels h Defects caused by normal wear and tear or otherwise ...

Page 3: ... Replacing the OPS board 12 Replacing the USB board 12 Replacing the Wi Fi board 13 Replacing the speakers 13 Replacing the T con board 14 Replacing the Bluetooth board 14 Troubleshooting 15 Understanding the LED status indicators 15 Wireless network not available 15 Connection is slow 15 Disruption during playback or slow reactions 16 Internet connection not available 16 Audio video sharing not w...

Page 4: ...y FIRE AND SHOCK HAZARD Use only the attachments accessories tools and replacement parts specified by Christie Always provide proper ventilation for the product to prevent overheating FIRE HAZARD Do not install near any devices that produce heat such as amplifiers radiators heat registers or stoves Caution If not avoided the following could result in minor or moderate injury This product is intend...

Page 5: ...RD Do not overload power outlets and extension cords SHOCK HAZARD Only use the AC power cord provided with the product or recommended by Christie FIRE HAZARD Do not use a power cord harness or cable that appears damaged TRIP OR FIRE HAZARD Position all cables where they cannot contact hot surfaces be pulled be tripped over or damaged by persons walking on or objects rolling over the cables Package...

Page 6: ...rt of the product screen lightly with a dry and soft cloth Do not use a liquid spray cleaners or any abrasive cleaners to clean the LCD panel Washing with various cleaning agents brighteners abrasives waxes benzene alcohol solvent surface active agent may damage the surface of the product Avoiding image retention Image retention can occur when static content appears on the display panel in as litt...

Page 7: ...lors of similar brightness levels Avoid using text color and background color with contrasting brightness for example black and white Gray may contribute to image retention Related documentation Additional information on the LCD panels is available in the following documents Access Series LCD Panels Product Safety Guide P N 020 102422 XX Access Series LCD Panels Installation and Setup Guide P N 02...

Page 8: ...etooth board 003 006410 XX F Speakers Qty 2 003 006334 XX G T con board 003 006330 XX H Wi Fi board 003 006329 XX I Joystick Keyboard 003 006328 XX Remote control 003 006337 XX LVDS cable 003 006322 XX Replacement parts UHD551 L Service Guide 8 020 102683 01 Rev 1 01 2018 Copyright 2018 Christie Digital Systems USA Inc All rights reserved ...

Page 9: ...trap and insulated tools when handling servicing or cleaning electronic assemblies Christie products must be installed and serviced by Christie qualified technicians All procedures must be performed by Christie qualified technicians Removing the rear cover The rear cover houses the replaceable components of the display panel Use a Phillips 1 screwdriver to remove all screws 1 Place the display pan...

Page 10: ...t the cover from the display panel 10 To reinstall the cover repeat these steps in reverse order Replacing the power board The power supply module provides the required voltages for operating the electronics in the panel 1 Remove all sources of power from the display panel 2 Remove the rear cover Replacement procedures UHD551 L Service Guide 10 020 102683 01 Rev 1 01 2018 Copyright 2018 Christie D...

Page 11: ... order Replacing the main AD board Learn how to remove and replace the main AD board 1 Remove the rear cover 2 Mark and remove all connectors 3 Using a Phillips 1 screwdriver remove the six screws securing the main AD board to the display panel 4 Replace the main AD board 5 To install the replacement part follow these steps in reverse order Replacement procedures UHD551 L Service Guide 11 020 1026...

Page 12: ... to the main AD board 1 Remove the rear cover 2 Mark and remove all connectors 3 Using a Phillips 1 screwdriver remove the four screws securing the OPS board to the display panel 4 Replace the OPS board 5 To install the replacement part follow these steps in reverse order Replacing the USB board Learn how to remove and replace USB board 1 Remove the rear cover 2 Mark and remove all connectors 3 Us...

Page 13: ...ides of the Wi Fi board 4 Replace the Wi Fi board 5 To install the replacement part follow these steps in reverse order Replacing the speakers Learn how to remove and replace the speakers 1 Remove the rear cover 2 Mark and remove the speaker connectors from the main AD board 3 Lift the speaker off the posts 4 Replace the speaker 5 To install the replacement part follow these steps in reverse order...

Page 14: ...ps in reverse order Replacing the Bluetooth board Learn how to remove and replace the Bluetooth board 1 Remove the rear cover 2 Mark and remove all connectors 3 Using a Phillips 1 screwdriver remove the single screw securing the Bluetooth board to the display panel 4 Replace the Bluetooth board 5 To install the replacement part follow these steps in reverse order Replacement procedures UHD551 L Se...

Page 15: ...reless connection is allowed through the network firewall Try searching for wireless networks again If the wireless network does not function properly use the wired network If the display panel does not function using the wired connection check the modem and router If the router does not have a problem check the internet connection of your modem Connection is slow The network connection to the dis...

Page 16: ...r this reason the display panel cannot connect to the internet Contact the internet service provider and request information on how to connect a different device such as the display panel to the internet Audio video sharing not working Audio and video cannot be shared to the display panel Resolution Ensure the display panel wireless connection is allowed through the network firewall The MAC addres...

Page 17: ... while browsing files in Audio Video Sharing mode Remote control does not work Using the remote control has no impact on the display panel Resolution For remote control commands to be received by the display panel the IR extender cable must be installed In certain conditions direct light may impact the ability for the IR receiver to identify commands from the remote control Troubleshooting UHD551 ...

Page 18: ...ea Seoul ph 82 2 702 1601 Japan Tokyo ph 81 3 3599 7481 India ph 91 080 6708 9999 Germany ph 49 2161 664540 France ph 33 0 1 41 21 44 04 Eastern Europe and Russian Federation ph 36 0 1 47 48 100 China Shanghai ph 86 21 6278 7708 China Beijing ph 86 10 6561 0240 Brazil ph 55 11 2548 4753 Australia ph 61 0 7 3624 4888 Worldwide offices Italy ph 39 0 2 9902 1161 Consultant offices Canada Kitchener ph 5...

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