Barco TF-20 Service Manual Download Page 28

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4. Troubleshooting

4.3

No image on the TF-20 display

Troubleshooting check list

Situation

Possible reason

The display doesn’t light on.

No power supply.

The digitizer failed.

The connection between the digitizer and the display is
incorrect.

The display has a bad image.

The digitizer failed.

The connection between the digitizer and the display is
incorrect.

The display brightness doesn’t match the ambient brightness.

Incorrect connection of the external AEC cable.

AEC failed.

R59770270 TF-20 21/05/2008

Summary of Contents for TF-20

Page 1: ...TF 20 Service Manual R59770270 00 21 05 2008...

Page 2: ...Barco nv Media Entertainment Division Noordlaan 5 B 8520 Kuurne Phone 32 56 36 89 70 Fax 32 56 36 883 86 E mail sales events barco com Visit us at the web www barco com Printed in China...

Page 3: ...mponent 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...

Page 4: ......

Page 5: ...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 Disassemb...

Page 6: ...Table of contents 2 R59770270 TF 20 21 05 2008...

Page 7: ...nt 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 A...

Page 8: ...tatic 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 A...

Page 9: ...s 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 co...

Page 10: ...ration 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...

Page 11: ...nts 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 5 Dust filter 6 Re sync cont...

Page 12: ...f 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 Un...

Page 13: ...2 General information 7 Image 2 5 7 Dust filter R59770270 TF 20 21 05 2008 9...

Page 14: ...e 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...

Page 15: ...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 FRAM...

Page 16: ...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 12 R59770270 TF 20 21 05 2008...

Page 17: ...le 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 Po...

Page 18: ...2 General information Fan connections of a 3x1 tile 1 2 Image 2 10 1 PDB Power Distribution Board 2 External fan 14 R59770270 TF 20 21 05 2008...

Page 19: ...ecessary 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...

Page 20: ...er 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 Distributio...

Page 21: ...the status of the TF 20 Re sync controller unit and describes how to start up the TF 20 power unit manually With this procedure you can check the good working condition of the power unit Overview TF...

Page 22: ...toolset for further instructions on how to update the software of the controller Note that when the processor is running in boot mode it is impossible to update the firmware of the controller 0 1 seco...

Page 23: ...rt up WARNING Never install a TF 20 tile permanently with a jumper link on J100 WARNING RISK OF ELECTRIC SHOCK First always disconnect the main power before initializing this pro cedure This procedure...

Page 24: ...3 Diagnostics 20 R59770270 TF 20 21 05 2008...

Page 25: ...For every situation a solution is given Always start with the first row of the troubleshooting check list and continue with the next row until the problem is solved Contact Barco in case the problem...

Page 26: ...image 1 An analog correction value is incorrect Control software Re send or display on off function 2 Incorrect tile type Control software re initialize function 3 A window position is incorrect Cont...

Page 27: ...age on a part of the TF 20 display Troubleshooting check list Situation Possible reason No output black tile units 1 Loose cable connection 2 The PSU failed 3 The PDB failed 4 The controller failed R5...

Page 28: ...digitizer failed 3 The connection between the digitizer and the display is incorrect The display has a bad image 1 The digitizer failed 2 The connection between the digitizer and the display is incor...

Page 29: ...display Required tools TorxT15 Small flat screwdriver Small Phillips head screwdriver Adhesive tape Marker pen Overview Service procedure inside this manual Opening the cabinet doors back access Remov...

Page 30: ...s be explained from a point of view on the cabinet doors As most of the serviceable components are installed on the cabinet doors the service method of a front or back accessible tile is the same This...

Page 31: ...5 2 Opening the cabinet doors back access How to open the cabinet doors Each door is equipped with two locks which can easily and quickly be opened by hand LEFT DOOR RIGHT DOOR Image 5 2 R59770270 TF...

Page 32: ...5 Before you start 5 3 Removing LED frames front access How to Remove LED frames see chapter 6 Tile disassembling Disassembling a LED frame of a front access tile page 50 28 R59770270 TF 20 21 05 2008...

Page 33: ...hey position the frame on the display Removing these screws happens in two steps First unscrew the first part out of the display then lift the screw until it takes thread to unscrew the second part ou...

Page 34: ...and write down the position on the component or the name mentioned on the slot from where you are going to disconnect the cable Stick the adhesive tape around the cable and then disconnect it from th...

Page 35: ...f contact with the eyes rinse immediately with plenty of water and seek medical advise CAUTION ISOPROPANOL ALCOHOL 200 661 7 Hazardous product Lightly flammable Always use in a well ventilated area Ke...

Page 36: ...5 Before you start 3 Apply DEOXIT G5L32 B1909246 on the connector pins 4 Wait 15 minutes 5 Apply DEOXITL260 N35 B1909247 on the connector pins 32 R59770270 TF 20 21 05 2008...

Page 37: ...on Board 2 PSU Power Supply Unit 2 3 Re sync controller unit 3 Dust filter 3 BACK ACCESS Service component Position inside the tile External fan dust filter Mounted on top of the cabinet door PDB Powe...

Page 38: ...nit Center of the right cabinet door Re sync controller unit Bottom of the left cabinet door Dust filters Mounted inside the bottom of the tile 1 2 3 6 4 5 Image 6 2 Overview Disassembling an external...

Page 39: ...assembled together with a dust filter When you remove the external fan the dust filter will automatically come lose 1 2 Image 6 3 1 Dust filter 2 External fan WARNING Replacing a malfunctioning extern...

Page 40: ...6 Tile disassembling Image 6 4 2 Disconnect the power cable and take out the external fan and the dust filter Image 6 5 36 R59770270 TF 20 21 05 2008...

Page 41: ...an Necessary tools 8 mm open end wrench How to take out an internal fan 1 Disconnect the power cable Power cable Image 6 6 2 Lose the four nuts located on the sides of the internal fan Image 6 7 3 Tak...

Page 42: ...e PSU unit While for a 3x2 tile the PDB is located in the center of the left cabinet door Necessary tools Cross head screw driver How to take out a PDB of a 3x1 tile 1 Disconnect the indicated cables...

Page 43: ...isassembling DC cables DC lock Image 6 10 4 Unscrew the six remaining screws Image 6 11 5 Take out the PDB How to take out a PDB for a 3x2 tile 1 Disconnect the indicated cables R59770270 TF 20 21 05...

Page 44: ...ling Power data cable Data cable DC cables fan Image 6 12 2 Disconnect the 4 Pin and 6 Pin cable 4 Pin cable 6 Pin cable Image 6 13 3 Disconnect the 6 DC cables by unscrewing the DC lock 40 R59770270...

Page 45: ...6 Tile disassembling DC cables DC lock Image 6 14 4 Unscrew the 6 remaining screws Image 6 15 R59770270 TF 20 21 05 2008 41...

Page 46: ...PDB While for a 3x2 tile the PSU is located in the center of the right cabinet door Necessary tools Cross head screw driver How to take out a PSU 1 Disconnect the DC cable 4 Pin cable the 6 Pin cable...

Page 47: ...6 Tile disassembling Image 6 18 R59770270 TF 20 21 05 2008 43...

Page 48: ...nits After replacement of the re sync con troller unit the tile will automatically restore the tile information into the memory of the controller while initial izing Necessary tools Cross head screw d...

Page 49: ...r This O ring has to be reused while replacing with a new Re sync controller unit O ring Image 6 21 How to take out the controller from the Re sync controller unit 1 Remove the indicated cables Power...

Page 50: ...6 Tile disassembling Image 6 23 3 Take out the controller after removing the six indicated screws Image 6 24 46 R59770270 TF 20 21 05 2008...

Page 51: ...llustrated a Flip down the clips at both sides of the cable fasteners b Remove the cable fasteners by pulling the clips open and finally remove the data cables Power cable Data cable OUT Data cable IN...

Page 52: ...ch attach the LED frame with the tile housing Note Some of the screws are located at the tile outside 16X Image 6 29 4 Remove the LED frame Push it forward rotate it and finally pull backwards and rem...

Page 53: ...6 Tile disassembling Image 6 30 R59770270 TF 20 21 05 2008 49...

Page 54: ...ecure the frame in order to prevent it from falling out Image 6 31 2 Partially unscrew the second step of two opposite screws and use them to pull out the frame Image 6 32 3 Unplug all power and data...

Page 55: ...6 Tile disassembling Power cable Data cable OUT Data cable IN Image 6 33 R59770270 TF 20 21 05 2008 51...

Page 56: ...6 Tile disassembling 52 R59770270 TF 20 21 05 2008...

Page 57: ...filter Reassembling an internal fan Reassembling a PDB Power Distribution Board Reassembling a PSU Power Supply Unit Reassembling a Re sync controller unit Reassembling a LED frame of a back access t...

Page 58: ...Replacing a malfunctioning external fan does not mean you need to replace the dust filter Al though it is strongly recommended to clean the dust filter before reassembling it To clean a dust filter us...

Page 59: ...7 Tile reassembling Image 7 3 R59770270 TF 20 21 05 2008 55...

Page 60: ...al fan Necessary tools 8 mm open end wrench How to insert an internal fan 1 Position the internal fan 2 Fasten the four nuts at the sides of the internal fan Image 7 4 3 Connect the power cable Power...

Page 61: ...is located on top of the PSU unit While for a 3x2 tile the PDB is located in the center of the left cabinet door Necessary tools Cross head screw driver How to insert a PDB on a 3x1 tile 1 Position t...

Page 62: ...Pin cable 6 Pin cable Image 7 8 4 Connect the indicated cables Data cable Power data cable DC cable fan Image 7 9 How to insert a PDB on a 3x2 tile 1 Position the PDB and fasten the 6 screws 58 R5977...

Page 63: ...7 Tile reassembling Image 7 10 2 Connect the 6 DC cables by fixing the DC lock DC cables DC lock Image 7 11 3 Connect the 4 Pin and 6 Pin cable R59770270 TF 20 21 05 2008 59...

Page 64: ...7 Tile reassembling 4 Pin cable 6 Pin cable Image 7 12 4 Connect the indicated cables Power data cable Data cable DC cables fan Image 7 13 60 R59770270 TF 20 21 05 2008...

Page 65: ...ols Cross head screw driver How to insert the PSU 1 Slide the PSU back into its position Image 7 14 2 Fasten the two screws on top of the PSU Image 7 15 3 Connect the DC cable 4 Pin cable the 6 Pin ca...

Page 66: ...7 Tile reassembling 4 Pin cable 6 Pin cable DC cable Power data cable Image 7 16 62 R59770270 TF 20 21 05 2008...

Page 67: ...the LED driver units After replacement of the re sync con troller unit the tile will automatically restore the tile information into the memory of the controller while initial izing Necessary tools C...

Page 68: ...ge 7 19 How to insert the controller in the Re sync controller unit 1 Position the controller and fasten the indicated screws Image 7 20 2 Insert the cover by fastening the two indicated screws 64 R59...

Page 69: ...7 Tile reassembling Image 7 21 3 Connect the cables as illustrated Power cable LVDS cable Data cable Image 7 22 R59770270 TF 20 21 05 2008 65...

Page 70: ...1 Secure the LED frame as illustrated using a safety cable and two safety hooks Push it through the tile opening turn it and pull it back into its position in the TF 20 tile Image 7 23 Safety cable I...

Page 71: ...7 Tile reassembling 16X Image 7 26 3 Remove the safety cable and the safety hooks Image 7 27 R59770270 TF 20 21 05 2008 67...

Page 72: ...up the clips at both sides of the cable fasteners Power cable Data cable OUT Data cable IN Image 7 28 2 Position the frame and screw it on Warning When the screws or their belonging O rings have any...

Page 73: ...er contains maintenance information about the TF 20 tiles like cleaning shader replacement and color calibration Overview Cleaning TF 20 tiles Replacing the dust filters Replacing a shader of a TF 20...

Page 74: ...data and power sockets using a power and data linking cable Make sure that all plug holder clamps are locked firmly 2 Vaporize through different directions the window cleaning product on the shaders a...

Page 75: ...depending on the environment conditions of theTF 20 display How to replace the dust filters of the TF 20 tiles 1 Consult Service components of a 3x1 tile page 7 Service components of a 3x2 tile page 8...

Page 76: ...he process and it is placed correctly inside the frame before screwing on the new shader s EMC plate Image 8 4 Necessary tools Small Phillips screw driver Torx T15 Small flat screwdriver How to replac...

Page 77: ...sible sign of damage replace them with new ones Spare parts can be found in the following spare kit R836871K When assembling first push the O rings down using a flat screwdriver until they touch the s...

Page 78: ...in factory but due to service intervention like replacing LED frames TF 20 controllers or even complete tiles it s recommended to re calibrate the TF 20 display on site Refer to the user guide of the...

Page 79: ...mensions A DIMENSIONS About this chapter This chapter contains drawings of the TF 20 tiles with the most important dimensions Overview 3x2 tile 3x1 tile Assembly of 3x2 tiles R59770270 TF 20 21 05 200...

Page 80: ...A Dimensions A 1 3x2 tile Dimensions of the 3x2 tile 440 mm 961 mm 880 mm 840 mm 960 mm 20 mm 268 5 mm 42 mm 276 6 mm Image A 1 76 R59770270 TF 20 21 05 2008...

Page 81: ...A Dimensions A 2 3x1 tile Dimensions of the 3x1 tile 200 mm 480 mm 400 mm 840 mm 960 mm 20 mm 265 5 mm 42 mm 266 1 mm Image A 2 R59770270 TF 20 21 05 2008 77...

Page 82: ...A 3 Assembly of 3x2 tiles Main dimensions of an a assembly of 3x2 tiles 865 mm 80 880 mm 80 880 mm 865 mm 80 880 mm 80 880 mm 880 mm 80 880 mm 80 880 mm 80 880 mm 880 mm 80 Image A 3 78 R59770270 TF 2...

Page 83: ...arding parameter statuses of the display Most of those messages can be displayed on request via the RMS 1 software Other OSD messages are automatically displayed in case an error occurred Most OSD mes...

Page 84: ...in the data chain are considered as a device with a unique address CALI LEVEL1 ONLYW CORR LMA COR Displaying calibration status calibration method only white luma correction CALI LEVEL1 RGB W CORR LMA...

Page 85: ...ID TR 20 Displaying FPGA firmware versions FRAME CNT0 1234 5678 Display frame counter in MODULE 0 FRAME CNT1 1234 5678 Display frame counter in MODULE 1 FRAME CNT2 1234 5678 Display frame counter in...

Page 86: ...plete LED wall The origin is always left top of the display MEAS SYST ALL 156 Displaying measurement system RS232 SPEED 19200 baud Displaying the current RS232 speed which value is set to 19200 baud P...

Page 87: ...l number of the controllers SER NR I2C ERROR Error occurs when reading serial number TEMP 5 C 41 F Displaying temperature in controller TEMP I2C ERROR Error occurs when reading temperature TEMP CTRL 3...

Page 88: ...NK 3 00v Displaying voltage VPOS 288 360 Displaying the start pixel column and end pixel column of the tile in the complete LED wall The origin is always left top of the display VPOS I2C ERROR Error o...

Page 89: ...C Specifications C SPECIFICATIONS Overview Specifications of the 3x1 tile Specifications of the 3x2 tile R59770270 TF 20 21 05 2008 85...

Page 90: ...er front R9004814 back R9004815 Pixel density 1 152 pixels panel 48x24 Pixel pitch 20 mm Power consumption maximum 400W m2 minimum 120W m2 Processing 16 bit color Refresh rate 800 Hz Ruggedness front...

Page 91: ...front access R9004816 back access R9004817 Pixel density 2304 pixels panel 2504 m2 Pixel pitch 20 mm Power consumption maximum 400W m2 minimum 120W m2 Processing 16 bit color Refresh rate 800 Hz Rugg...

Page 92: ...C Specifications 88 R59770270 TF 20 21 05 2008...

Page 93: ...of the TF 20 display 23 No image on the TF 20 display 24 No or bad image on TF 20 frame s 22 O Opening cabinet doors 27 OSD messages 79 80 R Re sync controller unit connections 10 Reassemble 54 56 57...

Page 94: ...Index 90 R59770270 TF 20 21 05 2008...

Page 95: ...Documentation Noordlaan 5 B 8520 Kuurne Phone 32 56 36 89 70 Fax 32 56 36 88 24 E mail service mne barco com Web www barco com From Date Please correct the following points in this documentation R597...

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