Barco TF-20 User manual

TF-20
Service Manual
R59770270/00
21/05/2008

Barco nv Media & Entertainment Division
Noordlaan 5, B-8520 Kuurne
Phone: [phone]
Fax: [phone]
E-mail: [email protected]
Visit us at the web: www.barco.com
Printed in China

Changes
Barco provides this manual ’as is’ without warranty of any kind, either expressed or implied, including but not limited to the implied war-
ranties or merchantability and fitness for a particular purpose. Barco may make improvements and/or changes to the product(s) and/or the
program(s) described in this publication at any time without notice.
This publication could contain technical inaccuracies or typographical errors. Changes are periodically made to the information in this
publication; these changes are incorporated in new editions of this publication.
Copyright ©
All rights reserved. No part of this document may be copied, reproduced or translated. It shall not otherwise be recorded, transmitted or
stored in a retrieval system without the prior written consent of Barco.
Guarantee and Compensation
Barco provides a guarantee relating to perfect manufacturing as part of the legally stipulated terms of guarantee. On receipt, the purchaser
must immediately inspect all delivered goods for damage incurred during transport, as well as for material and manufacturing faults Barco
must be informed immediately in writing of any complaints.
The period of guarantee begins on the date of transfer of risks, in the case of special systems and software on the date of commissioning,
at latest 30 days after the transfer of risks. In the event of justified notice of complaint, Barco can repair the fault or provide a replacement
at its own discretion within an appropriate period. If this measure proves to be impossible or unsuccessful, the purchaser can demand a
reduction in the purchase price or cancellation of the contract. All other claims, in particular those relating to compensation for direct or
indirect damage, and also damage attributed to the operation of software as well as to other services provided by Barco, being a component
of the system or independent service, will be deemed invalid provided the damage is not proven to be attributed to the absence of properties
guaranteed in writing or due to the intent or gross negligence or part of Barco.
If the purchaser or a third party carries out modifications or repairs on goods delivered by Barco, or if the goods are handled incorrectly,
in particular if the systems are commissioned operated incorrectly or if, after the transfer of risks, the goods are subject to influences not
agreed upon in the contract, all guarantee claims of the purchaser will be rendered invalid. Not included in the guarantee coverage are
system failures which are attributed to programs or special electronic circuitry provided by the purchaser, e.g. interfaces. Normal wear as
well as normal maintenance are not subject to the guarantee provided by Barco either.
The environmental conditions as well as the servicing and maintenance regulations specified in the this manual must be complied with by
the customer.
Trademarks
Brand and product names mentioned in this manual may be trademarks, registered trademarks or copyrights of their respective holders.
All brand and product names mentioned in this manual serve as comments or examples and are not to be understood as advertising for
the products or their manufactures.
Federal Communications Commission (FCC Statement)
This equipment has been tested and found to comply with the limits for a class A digital device, pursuant to Part 15 of the FCC rules.
These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial
environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with
the instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area may
cause harmful interference, in which case the user will be responsible for correcting any interference at his own expense

Table of contents
TABLE OF CONTENTS
1. Safety................................................................................................................. 3
1.1 Servicing safety instructions ......................................................................................................... 4
2. General information................................................................................................ 5
2.1 Service overview ..................................................................................................................... 6
2.2 Service components of a 3x1 tile . ................................................................................................... 7
2.3 Service components of a 3x2 tile . ................................................................................................... 8
2.4 Re-sync/controller unit connections................................................................................................. 10
2.5 Internal wiring diagram of a 3x2 tile................................................................................................. 11
2.6 Internal wiring diagram of a 3x1 tile.................................................................................................13
2.7 Startup sequence of an TF-20 display system . . ...................................................................................15
2.8 Spare part and service kits..........................................................................................................16
3. Diagnostics...... .......... ...... ...... ...... ...... .... ...... ...... ...... ...... .... ...... ...... ...... ...... .... ..... 17
3.1 TF-20 re-sync unit diagnostic .......................................................................................................18
3.2 Manual startup of the PSU .........................................................................................................19
4. Troubleshooting .... ...... ...... ...... ...... .......... ...... ...... ...... ...... ...... .... ...... ...... ...... ...... ...21
4.1 No or bad image on TF-20 frame(s) ................................................................................................22
4.2 No image on a part of the TF-20 display. . . . ........................................................................................23
4.3 No image on the TF-20 display . . . .................................................................................................. 24
5. Before you start ...................................................................................................25
5.1 Service procedure inside this manual...............................................................................................26
5.2 Opening the cabinet doors (back access) . . ........................................................................................27
5.3 Removing LED-frames (front access) ..............................................................................................28
5.4 Screws with a Torx head . . . .........................................................................................................29
5.5 Disconnecting cables ................................................................................................................ 30
5.6 Reconnecting cables ................................................................................................................ 31
6. Tile disassembling ................................................................................................33
6.1 Disassembling an external fan + dust filter .........................................................................................35
6.2 Disassembling an internal fan....................................................................................................... 37
6.3 Disassembling a PDB (Power Distribution Board) ................................................................................. 38
6.4 Disassembling a PSU (Power Supply Unit) ........................................................................................ 42
6.5 Disassembling a Re-sync/controller unit............................................................................................44
6.6 Disassembling a LED-frame of a back access tile .................................................................................47
6.7 Disassembling a LED-frame of a front access tile..................................................................................50
7. Tile reassembling .................................................................................................53
7.1 Reassembling an external fan + dust filter.......................................................................................... 54
7.2 Reassembling an internal fan .......................................................................................................56
7.3 Reassembling a PDB (Power Distribution Board)..................................................................................57
7.4 Reassembling a PSU (Power Supply Unit) . ........................................................................................61
7.5 Reassembling a Re-sync/controller unit ............................................................................................63
7.6 Reassembling a LED-frame of a back access tile..................................................................................66
7.7 Reassembling a LED-frame of a front access tile..................................................................................68
8. Maintenance........................................................................................................69
8.1 Cleaning TF-20 tiles .................................................................................................................70
8.2 Replacing the dust filters............................................................................................................71
8.3 Replacing a shader of a TF-20 LED-frame . ........................................................................................72
8.4 Color calibration .....................................................................................................................74
A. Dimensions ..........................................................................................................75
A.1 3x2 tile ...............................................................................................................................76
A.2 3x1 tile ...............................................................................................................................77
A.3 Assembly of 3x2 tiles................................................................................................................78
B. On screen display messages.....................................................................................79
B.1 OSD messages ......................................................................................................................80
C. Specifications .......................................................................................................85
C.1 Specifications of the 3x1 tile ........................................................................................................86
C.2 Specifications of the 3x2 tile ........................................................................................................87
Index......................................................................................................................89
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Table of contents
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1. Safety
1. SAFETY
About this chapter
Read this chapter attentively. It contains important information to prevent personal injury while servicing an TF-20 display on-site.
Furthermore, it includes several cautions to prevent damage to the TF-20 tile. Ensure you understand and follow all the safety
guidelines, safety instructions and warnings mentioned in this chapter before performing any servicing on the TF-20 display. After
this chapter additional “warnings” and “cautions” are given depending on the servicing procedure. Read and follow these “warnings”
and “cautions” as well.
Overview
• Servicing safety instructions
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1. Safety
1.1 Servicing safety instructions
WARNING:Servicingmustbedonebyauthorizedandqualified technical personnel only, which are thor-
oughly familiar with the product and all of the proper safety checks of this product.
Personal protection
WARNING:Ensure you understand and follow all the safety guidelines, safety instructions, warnings and
cautions mentioned in this manual.
WARNING:Be aware of suspended loads.
WARNING:Wear a hard hat to reduce the risk of personal injury.
WARNING:Be careful while working with heavy loads.
WARNING:Mind your fingers while working with heavy loads.
Safety precautions:
• Follow all servicing and safety instructions mentioned in the servicing procedures.
• Unplug the tile AC power cord from the AC power source and wait about 10 minutes before start any servicing to the tile. This
to allow the capacitors to discharge.
• Some boards contains electrostatically sensitive devices (ESD). Take the necessary precautions to prevent the incidence of
component damage caused by static electricity.
• Do not modify and/or replicate any component. Barco uses specific materials and manufacturing processes in order to achieve
part strength. No other parts then Barco parts are allowed.
Additional on-site servicing safety precautions:
• Fence off a restricted area of at least 3 meters around the LED-wall using an eye-catching fence and “KEEP OUT” signs. This
to prevent unauthorized persons coming near the LED-wall during servicing.
• Inspect the complete LED-wall for security, wear, deformation, corrosion, and any other circumstances that may effect the load
handling capability of the part.
• Both hands must be free for servicing TF-20 tiles in a LED-wall. Therefore the use of a ladder to access a tile is forbidden. Only
the use of a scaffold or a Z-lift is allowed.
• Do not use the stacker system of the LED-wall to climb into the TF-20 display. Always use a scaffold or Z-lift to perform any
servicing or repairing to the display.
• In case of removing an TF-20 LED module out of a tile, ensure the module is secured with a safety cable to the LED-wall
structure.
• Take the necessary precautions to prevent water intrusion inside the TF-20 tile due to weather conditions.
4R59770270 TF-20 21/05/2008

2. General information
2. GENERAL INFORMATION
About this chapter
This chapter gives an overview of all the parts inside a TF-20 tile and the internal connections between the different boards. Futher-
more, a list is given with all the available spare parts and service kits.
Overview
• Service overview
• Service components of a 3x1 tile
• Service components of a 3x2 tile
• Re-sync/controller unit connections
• Internal wiring diagram of a 3x2 tile
• Internal wiring diagram of a 3x1 tile
• Startup sequence of an TF-20 display system
• Spare part and service kits
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2. General information
2.1 Service overview
Front and back access
A TF-20 display can consist of two different types of tiles. Each type of tile can have front or back access for service reasons.
Front access Back access
3x1 tile Illustration 1 Illustration 2
3x2 tile Illustration 3 Illustration 4
•Front access:
Front access means that service on the TF-20 tile happens from the front side of the tile. To access the components inside the
tile, several or all frames have to be removed.
•Back access:
Back access means that service on the TF-20 tile happens from the back side of the tile. To access the components inside the
tile, one or two doors are provided which can easily be opened using a quick lock.
12
3 4
Image 2-1
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2. General information
2.2 Service components of a 3x1 tile
Service components of a 3x1 tile
4
2
1
3
5
6
Image 2-2
1 LED-frame
2 External fan with dust filter
3 PSU (Power Supply Unit)
4 PDB (Power Distribution Board)
5Dustfilter
6 Re-sync/controller unit
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2. General information
2.3 Service components of a 3x2 tile
Service components of a 3x2 tile
3
2
1
4
Image 2-3
1 LED-frame
2 External fan with dust filter
3 PDB (Power Distribution Board)
4 Re-sync/controller unit
6
5
Image 2-4
5 PSU (Power Supply Unit)
6 Internal fan
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2. General information
7
Image 2-5
7Dustfilter
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2. General information
2.4 Re-sync/controller unit connections
Re-sync/controller unit connections
D1
D2
P
S
Image 2-6
D1 Data socket 1 TF-20 re-sync/controller unit
P Main power socket
D2 Data socket 2 TF-20 re-sync/controller unit
S Low voltage supply socket of the TF-20 re-sync/controller unit
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2. General information
2.5 Internal wiring diagram of a 3x2 tile
3x2 tile wiring diagram
Internal wiring between LED-frames, controller and power distribution unit (seen from the back of the TF-20 tile)
Re-sync/controller unit
LED-FRAME 1
LED-FRAME 2
LED-FRAME 3
LED-FRAME 4
LED-FRAME 5
LED-FRAME 6
Power
distribution unit.
Image 2-7
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2. General information
Fan connections of a 3x2 tile
1
2
3
Image 2-8
1 PDB (Power Distribution Board)
2 External fan
3 Internal fan
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2. General information
2.6 Internal wiring diagram of a 3x1 tile
3x1 tile wiring diagram
Internal wiring between LED-frames, controller and power distribution unit (seen from the back of the TF-20 tile).
Re-sync/controller unit
LED-FRAME 1
LED-FRAME 2
LED-FRAME 3
Power
distribution unit.
Image 2-9
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2. General information
Fan connections of a 3x1 tile
1
2
Image 2-10
1 PDB (Power Distribution Board)
2 External fan
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2. General information
2.7 Startup sequence of an TF-20 display system
The first two steps of the startup sequence are done manually.
Startup sequence:
1. Switch on the main power to the SLite tiles.
Note: Nothing happens yet.
2. Power up the digitizer.
- The digitizer generates a START signal for the first tile.
- The digitizer places video content, of the last selected input slot, on the data line to the LED display.
3. The START signal triggers the re-sync/controller unit of the first tile to start up on the line voltage provided on the data cable.
- The re-sync/controller unit transfers the START signal to an ON signal for the local SMPS.
- The green LED on the re-sync/controller unit remains off.
- The red LED on the re-sync/controller unit will only light up in case there is no video content present on the incoming data line.
- The re-sync/controller unit delays the START signal about half a second before sending it to the next tile. This is necessary
to reduce the inrush current of the complete TF-20 display. This delayed START signal will activate the next tile and so on.
4. The ON signal from the re-sync/controller unit triggers the local SMPS to start up.
- The four internal fans starts to turn.
5. The power distribution unit starts up.
- The power distribution unit generates +15V and +8V.
- The +15V red LED and the +8V red LED goes on.
6. The controller starts up.
- The controller generates the local +5V and the local +8V line voltage.
- The +5V red LED on the controller unit goes on.
- The local +8V line voltage supports the line voltage on the data cable to supply the resync-unit.
7. The controller unit starts to initialize.
- The yellow LED on the controller unit lights up continuously.
- The green LED(s) on the controller unit starts lighting up after the FPGA(s) are configured.
- The Yellow LED on the controller unit starts to flash (half a second on, half a second off) indicating the controller is completely
and correctly initialized.
8. The LED driver receives data from the controller.
- The yellow LED on the LED drivers goes on.
9. The TF-20 tile shows video content.
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2. General information
2.8 Spare part and service kits
General
Barco provides several kits for servicing TF-20 tiles. Below you find an order list of existing spare part and service kits. In the future
new kits can be added to this list. Contact Barco to get an updated list.
Order info Description
B3247061K Internal fan kit
B3247071K External fan kit
R7665001K LED-frame kit
R8368591K Shader repair kit
B362804K Screw kit
R838004K Dust filter kit
R837030K PDB (Power Distribution Kit)
R837027K PSU (Power Supply Unit) kit
R857574K Re-sync/controller unit kit
R861775K Tooling kit
Contains all, standard and TF-20 specific, tools required for optimal installation and servicing.
Z3472067K Data cable kit
Z3472142K Power cable kit
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