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1. ak o Lamp Striking starting Po Lamp on and all OK R Red To show the code on the remote press MONITOR once 1 To turn lamp on you must first cycle AC power off then on These events start the On Screen Codes automatically if Auto Codes in the Miscellaneous menu is checked 2 ALamp On command from the remote or from RS232 commands will turn lamp on 3 Lamp Saver turned lamp off lamp is cooling and will turn on at end of cooling period Margay Troubleshooting Maintenance and Service Manual 57 Margay On screen Code Details and Actions to Take Margay On screen Code Details and Actions to Take o oco N Oo WB DO _ gt N OQ Click below on the pattern of lights that you see flashing on the screen or turn to the page indicated Door open page 59 CU High Voltage Power Supply Fan failed page 62 wc DLP Fan failed page 63 CU High Voltage Power Supply failed page 64 CU Optical Engine Failed page 65 Lamp failed page 66 z a Wait On page 67 Wait Lamp cooling page 68 4 Lamp off Auto Off page 69 CU Lamp off Ready page 70 iS z Lamp Striking starting page 71 oe Cet en el eee l Lamp on and all OK page 72 The numbers show the priority of the problem If two events occur such as a fan stops priority 2 and the lamp is cooling priority 8 only the lower numbered pattern with the higher priority w
2. 62 Margay Troubleshooting Maintenance and Service Manual Margay On screen Code Details and Actions to Take o OD Red Amber Red Priority 3 This code means DLP Fan failed Possible cause Loose fan cable What to do Check fan cable connection To access the Lamp Fan see Task 1 1 3 Gain Access Remove High Voltage Power Supply Panel on page 89 or Task 4 3 4 Gain Access Remove High Volt age Power Supply Panel on page 148 Discussion The Lamp Fan is not yet field replaceable Contact Clarity Customer Support for help Possible cause Old firmware What to do Download the latest firmware from Clarity s website Back to the Margay On screen Code list Back to the Troubleshooting List on page 13 Margay Troubleshooting Maintenance and Service Manual 63 Margay On screen Code Details and Actions to Take This code means Possible cause What to do Discussion SE Red Red Amber Priority 4 High Voltage Power Supply failed The 350 volt section of the High Voltage Power Supply has failed Swap power supplies with another display If the problem follows the power supply order a new power supply The 350 volts goes to the ballast The ballast boosts this voltage up to 25 000 volts to strike the lamp As the lamp strikes and turns on the ballast drops this to less than 100 volts to keep the lamp on Without the 350 V from the High Voltage Power Supply there will be no voltage to the lamp T
3. 0000 000 95 Task 1 1 4 1 Remove Replace DC Power Supply 0 0 0 sees eee eee 97 Task 1 1 4 2 Remove Replace IR LED Board llle 99 4 Margay Troubleshooting Maintenance and Service Manual Contents Task 1 1 4 3 Remove Replace AC Power Switch 100 Task 1 1 5 Kemove Keplace Lamp isccsneccdcenwds adeeu tes HER Ee es becomes ade 102 Task 1 1 6 Remove Replace Optical Engine 1 2 0 0 2 eee ee 107 Task 1 2 Gain Access Open Electronics Module Door 0 00 c eee 111 Task 1 2 1 Servicing the Electronics Module i105 vies ERE 3Reketresew RESET 112 Task 1 2 1 1 Remove Electronics Module leere 112 Task 1 2 1 1 1 Installing Removing the Video Input Module 114 Task 1 2 1 2 Replace Electronics Module 0 4 2 zo xenEE danse sod ty ex expe 117 Task 1 3 Remove Replace Large Mirrors isses esr 045404464900 450 9 ER ERE RS 119 Remove Wie ld tir MNMPMCP rrmT 119 Prepare the new mirror for installation llle 120 Igino PC pc c DTP 121 Task 1 4 Adjusting the Large Mirror for Keystoned Images 0000 eee eee 122 Task 1 5 Removing and Replacing the Small Mirror 0 0 0 0 eee eee eee 124 Task 2 Replacing Screg dox seva c aux E ond Gee A E dex ERR PN SEEK n EH 125 Task 3 Cleaning Mirrors Lenses and Screens 0 65 2 ceed ec de a e a ere a ge es 127 Cleaning products and how to use them 1 2 2 0
4. Margay Troubleshooting Procedures Picture has a colored edge Possible cause What to do Discussion Possible cause What to do The picture is not the same aspect ratio as the wall or the unit The edge color is determined by the Border Color in this menu Check the Wall amp Aspect Ratio menu On the Remote press WALL SOURCE CURTAIN MONITOR WALL LEVEL FREQ PHASE Aspect Ratio clarity Justify Center Overscan 0 Border Color Black If the aspect ratio of the source picture is not the same as the aspect ratio of the display or of the entire wall when using Big Picture then either a some edge of the picture will be cropped chopped off b the extra area not filled with picture will be filled with a background color The source itself has a colored edge Check the source picture Back to the Picture is visible list Back to the Troubleshooting List on page 13 Margay Troubleshooting Maintenance and Service Manual Margay Troubleshooting Procedures Picture is too large or too small Possible cause This could be a zoom adjustment particularly if you are using Clarity s Big Pic ture M What to do Check the two Zoom menus and set them both so you see a zero on all four sides Then check the two Viewport menus and see that they read zero on all four sides Main Menu Size amp Position e r clarity Picture Position E Picture Aspect Ratio amp W
5. Remote is aimed wrong Try controlling a different Margay Did the remote work on a different unit Go to page 48 Go to page 51 Back to the Troubleshooting List on page 13 Margay Troubleshooting Maintenance and Service Manual 47 Useful commands for RS232 troubleshooting Margay doesn t respond to remote control Discussion Possible cause What to do Discussion Possible cause What to do Discussion and the remote control can control other Margays You know the remote control works because it can control a different Margay Remote is aimed wrong or too close Step back at about 10 feet 8m from the Margay and aim the remote at the middle of the screen at a slight upward angle so that the IR beam hits the main mirror squarely The IR beam infra red which you can t see should go through the screen bounce off the large mirror and reflect down into the IR receiver The receiver can be seen through a hole in the LV Power Supply amp IR board cover eera Electronics HV Power LW Power Supply Mi i llo Supply amp IR board gt Light shield is lifted Lower the light shield To lower the light shield see Task 1 1 Gain Access Lift Light Shield on page 82 or Task 4 3 Gain Access to interior of unit on page 140 Normally the light shield must be down to turn on the lamp However if you bypassed the light shield switch and the light shield is up it may block the IR path
6. Remove the old mirror From the rear of the Margay loosen the bottom mounting nut and count the turns as you remove it When you replace it use the same number of turns This will make it less likely that you ll have to fuss with the bolts to align the mirror Note The crimped nuts prevent them from turning accidentally so they may be very hard to turn Before you remove the nut completely make sure a second person can support the mirror when the nut is removed Remove the nut The mirror swings free a bit Caution Support the mirror until all the mounting nuts are removed Still supporting the mirror remove the two top mounting nuts and count the turns as you remove them When you replace them use the same number of turns When all the nuts are removed remove the mirror from the unit Avoid scratching the mirror if you plan to save it Margay Troubleshooting Maintenance and Service Manual 119 Front Access Task 1 Opening the Screen Task 1 3 Remove Replace Large Mirror 9 Place the old mirror face down on a soft flat level non scratching surface 10 Remove the springs from the mounting studs 11 12 13 14 15 T Prepare the new mirror for installation Place the new mirror face down on a soft flat level and non scratching surface With the mounting studs on the back of the mirror pointing up place the springs small side down on the mounting studs While holding the mirror
7. Confirm that the batteries are in correctly Then try new batteries Or try a different remote If the Margay s light shield is raised it may block the light path to the IR receiver Lower the light shield to its operating position To lower the light shield see Task 1 1 Gain Access Lift Light Shield on page 82 or Task 4 3 Gain Access to interior of unit on page 140 The IR receiver is under the cover plate nearest to the Electronics Module Remove this plate and check that the IR receiver board is properly plugged in To inspect the IR Reciever check cable connections to it or replace it see Task 1 1 4 Gain Access Remove DC Power Supply Panel on page 95 and Task 1 1 4 2 Remove Replace IR LED Board on page 99 If you have rear access see Task 4 3 5 Gain Access Remove Replace DC Power Supply Panel on page 154 and Task 4 3 5 2 Remove Replace IR LED Board on page 158 Check the lower edge of the Electronics Module to see that all cables are plugged in properly For information about Electronics Module cable connections see Task 1 2 Gain Access Open Electronics Module Door on page 111 and Task 1 2 1 Servicing the Electronics Module on page 112 To inspect cable connections from the rear see Task 5 Remove Electronics Module on page 161 Back to the previous question Back to the Troubleshooting List on page 13 Margay Troubleshooting Maintenance and Service Manual 51 Useful commands for RS232 troubleshooting Openin
8. d Then choose the ninth 9th color chip from the left on the bottom row of color chips they all look white or gray or black e Choose the paint bucket and dump this pattern in the Paint window If there are horizontal streaks it is Phase problem Go to page 31 Back to the Picture is visible list Back to the Troubleshooting List on page 13 32 Margay Troubleshooting Maintenance and Service Manual Margay Troubleshooting Procedures Analog data Analog 1 or Analog 2 picture colors are wrong Possible cause What to do Possible cause Discussion What to do Colorspace is wrong Change to the correct colorspace Open the Picture menu Main gt Picture and change the Col orspace setting Picture clarity E Colorspace RGB Sync Type Separate H amp V Vertical Frequency frame locked 60Hz Horizontal Frequency 50 00kHz Pixel Frequency 80 10MHz H Horizontal Resolution 1366 T Vertical Resolution 768 5 Frequency EENN 1602 ES Phase Coa 225 Sharpness Sharpest Input Levels gt If the input source is analog adjust the following Input Levels and Color Balance If INPUT LEVELS are wrong with picture may appear washed out with weak colors and not snap to the blacks and whites Or it may appear too contrasty where many dark colors are compressed into black and many very light parts are all white If the COLOR BALANCE is wrong the colors or brightness of displays
9. to cause one of the sides to go up or down If you have keystoning To adjust a keystoned picture on a display in a wall remove other displays on top of it The adjustment nuts are on the back of the upper section behind the large mirror If the problem is with a unit in the top row of a wall you can adjust the display in place Behind the large mirror as seen from the rear of the display you will see three nylock nuts two toward the top and one at the middle of the bottom In the diagram in the table below the L and R nuts are labeled for the Left and Right sides as you see them from the rear e In the table of the effect of these adjustments left and right mean the picture as viewed from the front When adjusting the top two nuts together turn them the same amount To adjust for one side too tall or two short be very careful You should turn the L or R nut then turn the B nut the same direction but only half as much This is a very tricky adjustment 122 Margay Troubleshooting Maintenance and Service Manual Adjusting the Large Mirror for Keystoned Images To understand how these adjustments work keep in mind that the image is expanding as it leaves the last lens The farther it travels the larger the image becomes When you pull the mirror away from the screen the image has to travel a bit farther so it is larger on the screen Tightening a nuts pulls the mirror away from the screen SS92
10. Copyright 2006 by Clarity Visual Systems Inc All Rights Reserved Contents of this publication may not be reproduced in any form without permission of Clarity Visual Systems Inc Trademark Credits Windows is a trademark of Microsoft Corp Clarity s Big Picture is a trademark of Clarity Visual Systems Inc APLCD is a registered trademark Clarity Visual Systems Inc All other names are trademarks or registered trademarks of their respective companies Disclaimer The information contained in this document is subject to change without notice Clarity Visual Systems hereinafter the Company makes no warranty of any kind with regard to this material While every precaution has been taken in the preparation of this manual the Company shall not be liable for errors or omissions contained herein or for incidental or consequential damages in connection with the furnishing performance or use of this material Limited Warranty The Company warrants to Buyer that the WN 5040 720 hereinafter the Product if properly used and serviced will perform substantially in accordance with the product data sheet and users manual and will be free from defects in material and workmanship for one year following date of shipment This warranty does not apply to air filters and other consumable parts If any Product fails to conform to the written warranty the Company s exclusive liability and Buyer s exclusive remedy will be at Clarity s
11. Detailed Explanation of Electronics Module LEDs Continued LED Name Condition Meaning Serial Data Off No serial data is being received at this moment Serial data is being received This LED flashes briefly 80ms each time a serial data command is received Serial Cmd The serial data if there is any right now is not addressed to this Margay The serial data being received is addressed to this Margay The command was addressed either to this specific Margay alone or to a group of Margays that includes this one or to all Margays in this serial string Lamp Saver Lamp Saver is not active now Lamp Saver is active and the lamp is on Lamp Saver is active and the lamp is off The system is in the cool down period At the end of this period if there is still a valid source the lamp will turn on automatically Engine Status Lamp Saver is active The lamp is off because there is no source picture on the selected connector If a source is detected on this connector the lamp will turn on automatically There is no power to the Electronics Module The optical engine is operating properly Ballast Status The optical engine had a fault or the Electronics Module is not able to communicate with it Lamp off Lamp on Ballast Supply Ballast fault or communication failure High voltage is off High voltage is on and ready High voltage is on but no
12. Margay Troubleshooting Maintenance and Service Manual 81 SS929y 1u0JJ Task 1 Opening the Screen Task 1 1 Gain Access Lift Light Shield Front Access 1 1 Gain Access Lift Light Shield 1 Using the remote control turn off the lamp and allow the cooling fans to stop approximately 2 minutes before proceeding 2 Open the screen Task 1 Opening the Screen on page 78 3 Power down the unit and remove the power cord for detailed instructions see Task 1 2 Gain Access Open Electronics Module Door on page 111 4 Loosen the light shield screw 5 Liftand latch the light shield in its up position Change Air Filter llli 83 Remove Replace Lamp Ballast llis 84 Gain Access Remove High Voltage Power Supply Panel 89 Gain Access Remove DC Power Supply Panel 95 Remove Replace Lamp lisse esie 102 Remove Replace Optical Engine 005 107 6 Pull the light shield free of the latch and push down into the closed position 7 Tighten the light shield screw 8 Return to Task 1 Opening the Screen on page 78 82 Margay Troubleshooting Maintenance and Service Manual Change Air Filter 1 1 1 Change Air Filter 1 Using the remote control turn off the lamp and allow the cooling fans to stop approximately 2 minutes before proceeding 2 Open the screen Task 1 Opening the Screen on page 78 3 Power down the unit and remove the p
13. 4 3 5 Gain Access Remove Replace DC Power Supply Panel on page 154 and Task 4 3 5 2 Remove Replace IR LED Board on page 158 The light shield is raised When the light shield is raised it can block the flashing On Screen Code lights However when it is raised the lamp will not light because the interlock switch is open To lower the light shield see Task 1 1 Gain Access Lift Light Shield on page 82 or Task 4 3 Gain Access to interior of unit on page 140 Back to the previous question Back to the Troubleshooting List on page 13 Margay Troubleshooting Maintenance and Service Manual 17 Margay Troubleshooting Procedures Screen is black Possible cause What to do No Yes and no red or amber lights are flashing on the screen and no LEDs on the Electronics Module are lit AC power is missing Check the main power switch just below the Electronics Module Is it lit Then there is no AC power to the Margay Turn on the AC switch If the switch did not light check the power cord Check the AC outlet where the power cord is plugged in Check the fuse on the display see Task 1 Opening the Screen on page 78 Task 1 1 Gain Access Lift Light Shield on page 82 Task 1 1 3 Gain Access Remove High Voltage Power Supply Panel on page 89 and Task 1 1 3 3 Remove Replace AC Fuse on page 92 If you have rear access see Task 4 Gain Access Remove Rear Panel on page 130 Task 4 3 Gain Access to interior of uniton page 1
14. and Service Manual Remove Replace Lamp Ballast 4 2 Remove Replace Lamp Ballast Note For this procedure you ll need a stubby 2 screwdriver Using the remote control turn off the lamp and allow the cooling fans to stop approximately 2 minutes before proceeding Power down the unit and remove the power cord Remove the Rear Panel Task 4 Gain Access Remove Rear Panel on page 130 Lift the light shield Task 4 3 Gain Access to interior of unit on page 140 to provide room for a screwdriver Detach the red Lamp power cable Removing the Lamp power cable from the front Margay Troubleshooting Maintenance and Service Manual 135 ssoooy JE9H Task 4 Gain Access Remove Rear Panel Task 4 2 Remove Replace Lamp Ballast 6 Remove the two securing screws at the top of the Ballast Rear Access Removing the Ballast securing screws from the rear Removing the Ballast securing screws from the front 136 Margay Troubleshooting Maintenance and Service Manual Remove Replace Lamp Ballast 7 Lift up the Ballast and tilt it toward the rear of the unit ssoooy JE9H VS Removing the Ballast from the rear Removing the Ballast from the front 8 Partially remove the Ballast from the enclosure Margay Troubleshooting Maintenance and Service Manual 137 Rear Access Task 4 Gain Access Remove Rear Panel Task 4 2 Remove Replace Lamp Ballast 9 Detach the two cables lead
15. correct serial port i Check that the cable is connected to the RS 232 in connection not RS 232 out no v V D xe Set all displays in the wall to the same baud rate V 7 y N E X the baud rate on either te N host or the display so they match Is the command spelled correctly no v he the command with the spelling yes EM _ Check that the first two characters are the same case OP or op not Op or oP T4 CP x Does the UART framing errors number increase when you send a command yes Y Check the wiring of connectors and adapters Be sure the ground is connected y Margay Troubleshooting Maintenance and Service Manual 41 Useful commands for RS232 troubleshooting Global command to subsequent units Open The RS 232 Status menu on all displays Send a global command from the host Does the bytes received number change on the displays that aren t responding Check the cabling to the non responsive displays Do the UART framing errors number increase on the the non responsive displays yes Y Check the baud rate of the non responsive displays Try a smaller group of displays If an electronics module is bad it could prevent any displays from getting the message If you suspect a bad module get a small group working and
16. go to Global command to first unit on page 41 C Ifthe first unit went red but one or more of the others didn t go to Global command to subsequent units on page 42 Individual command For each unit in the wall send the command op 00 pattern blue CR substituting each unit s id in turn Did each unit turn blue when commanded a If not check each unit s unit and group ID Did you receive an echoed response back each time a If not go to Response from individual units on page 43 Data query Send a command which asks for information to each unit in turn For example op 00 select source CR Did each unit return its currently selected source a If not go to Response from individual units on page 43 Useful commands for RS232 troubleshooting If you are trying to send a particular command and are having trouble first make sure you have established the wiring and settings are correct by using the simple commands suggested above After you have established that the problem is probably in the command itself If a unit doesn t respond to a particular command look at the Commands Received number If it doesn t increase by one the unit didn t understand the command Double check the spelling and syntax Be sure to start operations with op or OP not oP or op Be sure to end with a CR Margay Troubleshooting Maintenance and Service Manual 39 Useful commands for RS232 troubleshooting If the Commands Recei
17. 10 There is dirt or smudges in the picture Go to page 54 Margay Troubleshooting Maintenance and Service Manual 13 Margay Troubleshooting Procedures Screen is black Possible cause Lamp is off What to do First determine whether the lamp is really off From about 6 feet 2 m away aim the remote at the Margay screen and press the MONITOR button SOURCE LEVEL FREQ CURTAIN PHASE SETUP SIZE POS Do you see Red or Amber lights flashing on the screen Yes see a red or an amber light or both flashing on the screen Go to page 15 Yes see an amber light but it is steady not flashing Go to page 72 No do not see any lights on the screen and there is no menu Go to page 16 Back to the Troubleshooting List on page 13 14 Margay Troubleshooting Maintenance and Service Manual Margay Troubleshooting Procedures Red or amber lights flashing on the screen Possible cause You don t know the cause yet Keep reading What to do Notice the pattern of the lights red red amber or whatever it is Go to Margay On screen Code Details and Actions to Take on page 58 to help you decode the message Back to the previous question Back to the Troubleshooting List on page 13 Margay Troubleshooting Maintenance and Service Manual 15 Margay Troubleshooting Procedures Screen is black and no red or amber lights are flashing on the screen Possible cause Power failure Wh
18. Be sure the output of the computer goes to the RS232 IN connector of the first Margay in the series Most computers have RS232 serial outputs but not RS485 out In the Margay the serial data goes into the first unit in the series to the RS232 IN connector From there it loops out the RS485 OUT to the next Margay s RS485 IN Wrong Cat 5 cable type Check that the cable is straight thru Hold up both ends of the cable with the connectors side by side and pointing away from you You should see the same colors left to right on both connec tors It is best if the Cat 5 cable uses twisted pairs of wires rather than flat parallel wires espe cially for long distances Back to the top Back to the Troubleshooting List on page 13 Margay Troubleshooting Maintenance and Service Manual Useful commands for RS232 troubleshooting Margay doesn t respond to remote control Possible cause What to do Possible cause What to do Discussion Possible cause What to do Yes No Dead batteries or batteries in wrong First see that the batteries are in correctly Then try new batteries Or try a different remote The remote has been disabled by an RS232 command Re enable IR remote control of the unit For more information about forming commands and a complete command list download RS232 Control for Margay from the Clarity Visual website For more information see Accessing Clarity s Customer Support Website on page 171
19. Lamp fan Replace the mounting nuts and gently tighten them Caution Do not over tighten the mounting nuts The corners of the fan could break off Reconnect the Intake Fan power cable Return to Task 4 3 4 Gain Access Remove High Voltage Power Supply Panel on page 148 Remove Replace Lamp Fan This part is not yet field replaceable Contact Clarity Customer Support for help 150 Margay Troubleshooting Maintenance and Service Manual Remove Replace AC Fuse 4 3 4 3 Remove Replace AC Fuse Fuses are located on the right and left sides of the High Voltage Power Supply Output AC z z Fuse F2 E Input AC Fuse Hi s 1 a Si Y j 7 a 4 T We suggest that you purchase a few extra fuses 6 25A 250V 3AG Slo Blo from an electronics supply store 4 3 4 4 Remove Replace High Voltage Power Supply 1 Disconnect all four cables attached to the High Voltage Power Supply a The black white Ballast Power cable left side of power supply Ballast Power Cable 7 Margay Troubleshooting Maintenance and Service Manual 151 ssoooy JE9H Rear Access Task 4 Gain Access Remove Rear Panel Task 4 3 Gain Access to interior of unit Task 4 3 4 Gain Access Remove High Voltage Power Supply Panel Task 4 3 4 4 Remove Replace High Voltage Power Supply b The Intake Fan power cable bottom right corner Note This illustration shows the right side of the High Voltage Power Su
20. Margay s Engine Important Step Advanced Options r r 3 3 Color Balance Miscellaneous Options Lamp Settings Serial Port Settings Auto Setup Options vvvvv vvvvv Program Information Yes No v Menu Options vv Message in Picture Engine Alignment Left Side Right Side Horizontal Image Size Sr ae Use the Grid test pattern The four movement controls interact with each other a little Be patient Were you able to fix it with the Engine Alignment controls Go to page 23 Go to page 27 Back to the previous question Back to the Picture is visible list Back to the Troubleshooting List on page 13 Margay Troubleshooting Maintenance and Service Manual Margay Troubleshooting Procedures Picture has black edge Possible cause What to do and the adjustments in the Engine Alignment menu does not move the image far enough The range of the engine alignment motors does not allow sufficient adjustment You will have to remove the Margay s optical engine and manually adjust the engine carrier slightly First use the Engine Alignment menu to put all the motors in the center of their travel Then see the processes explained in Task 4 3 1 Adjusting the Optical Engine On Its Carrier on page 141 Back to the previous question Back to the Picture is visible list Back to the Troubleshooting List on page 13 Margay Troubleshooting Maintenance and Service Manual 27
21. Mirrors Lenses and Screens 3 Cleaning Mirrors Lenses and Screens Note This process is best done when you have completed all front access service and you have replaced the screen s SS929y 1u0JJ Dirt is everywhere and unless the displays you service are in a super clean room from time to time you will have to clean the screens mirrors and lenses of displays Cleaning products and how to use them For mirrors and screens a foam spray cleaner seems to work well It is sold under different names in different parts of the world It is available from many janitor supply companies or building maintenance supply companies Ask for one of the following Claire 50 glass cleaner or e Sprayway 50 glass cleaner It is probably sold under a local name but it all comes from one company If you ask for either of the two names above it is sold under both you will get this cleaner under the local name This cleaner is good on glass screens lenses mirrors and acrylic screens You may spray the cleaner on mirror but do not spray cleaner directly on the screen Instead spray the cleaner on the cloth then wipe the screen Caution Do NOT spray liquid of any kind on the screen It can drip down the screen and wick up between the layers When liquid gets between the screen layers it is impossible to remove and the screen is ruined Caution whether the screen is glass or acrylic don t lean on it Don t let it get scratche
22. Replace Electronics Module 6 Replace the Rear Panel 1 The Rear Panel has three flanges at the bottom 2 The two side flanges fit inside the rear bottom lip of the Margay and the center flange fits outside the bottom lip coui AVERTISSMENT REMP L AMP DE L U DEMO VORSIi WARNUNG WARTE VORSIC FOLGE h REPARA Rater to Service mansal for Cra Va cum vnica parts iit Pater al service to qualified Serviceman Possible UV Ex posure Use protective eye Wear while Operating with screen removed 14 0077 00 3 Position the Rear Panel over the holes for the quarter turn fasteners and press the panel into place 168 Margay Troubleshooting Maintenance and Service Manual Replace the Rear Panel Note If the Rear Panel does not align with the holes check that it is correctly inserted at the bottom If the Rear Panel looks like the example below it is incorrectly inserted in the Margay vrvievuun ens wryle annem naira D HANDLE GOOL BEFORE REPLA DLEB unit is on FOR LAUP REPLACEMENT i COUPER L ALIMENT E LA FACE S MENTATION ELEC AVERTISSMENT REDS ER REFROIDIR AU MONA l RISQUE D Y Possi retin An oN AMA Uee mo YY Exposure SEU PUN A SAUTION ND Wear while cS pya VOREN EASES DEN L6 MEME REE re VOR ENS 1 moved FOL GE AN IT OER LAMPE menue EPARATUR UANG EN F R DEN WRONG 4 Tighten the quarter turn fasteners 1 H 1 N
23. deeper Re 48 Margay doesn t respond to remote control 51 Opening rear panel does not shut off thelamp leeeeeeeeeee e 52 Screens do not fit together well 2252s RR RRRERRREEERGRARERXARAEeEEASSRGY eas 53 Dirt or sm dges Ii he Pie Mes os ch ok du ees cee Seo RE RPG bae REG anes ER M sues 54 Margay Troubleshooting Maintenance and Service Manual 3 Contents On Screen Codes Working with On Screen Codes 0 0 eee cee e nent n teen ees 55 Manually turning on the On Screen code lt 4 44 2s45 4069 ir ara noes ieee ERE REESE eis ies 55 Automatic On Screen code display 0 0 cece cee cette e nent n nee 56 Redding On Screen Codes 130 2btccvesaddckawes RRERIC E sees sveeshertaetehecieeceaneesd 57 Margay On screen Code Details and Actions to Take 0 0 2 eee eee eee 58 Red Red BRedocsesuu iere eshek Bebe cheeses ew E d sre EROS Eee eGR eee deers 39 Red AMDET 3 2822 66622004 abeleee EE e peel bos eee anes wea vaag Ea E Bee eae 62 Red Amber Bed escis Ak LE RAE eb RSS a SA E RR do SR Re dd 63 Red Bed Amer assaia 45454055 CERES ERA TOP EE E xd EI eta ae eI ED 64 Red Red AIHIDeF Red oues ese dou HS xS ead E ud xp exe dea Pd V RR d Ks 65 IR e MY 66 Red Red Amber Amber enadcocs Re Ex TREE UR ARES RI SO ohne ws ceed edi dns 67 Red Red Red Bed 24i kcerda e pexkod Rae e XR EPATESORGm Eq ed osha pee iE es 68 Amber Amber R60 ER wmm 69 Amber A
24. door Margay Troubleshooting Maintenance and Service Manual 95 SS929y 1u0JJ Front Access Task 1 Opening the Screen Task 1 1 Gain Access Lift Light Shield a 1 1 4 Gain Access Remove DC Power Supply Panel 11 Lift the DC Power Supply Panel up and toward the front 12 Close the Electronics Module door 13 Lift and latch the light shield The DC Power Supply cavity is exposed IR LED Board Remove Replace DC Power Supply 0005 97 Remove Replace IR LED Board 0000 eee uae 99 Remove Replace AC Power Switch 14 Replace the DC Power Supply Panel a Slide the DC Power Supply Panel below the Light Shield you may need to lift the Light Shield slightly and below the Electronics Module door 96 Margay Troubleshooting Maintenance and Service Manual Remove Replace DC Power Supply Note Make sure the mounting tab on the DC Power Supply Panel that fits in the Electronics Module area is above the plate that holds the power switch and plug receptacles b Secure the panel with the four screws you removed earlier 15 Return to Task 1 1 Gain Access Lift Light Shield on page 82 1 1 4 1 Remove Replace DC Power Supply Note You may choose to reverse the order of steps 1 through 4 by removing the cables from the power supply before removing the power supply from the mounting posts 1 Remove the two mounting screws on the front edge Note that the front right mounting
25. line Poorly adjusted Phase This is most easily seen in vertical lines or in text black text on white background or in anything that has fine detail and high contrast Readjust the Phase control Back to the Picture is visible list Back to the Troubleshooting List on page 13 Margay Troubleshooting Maintenance and Service Manual Margay Troubleshooting Procedures Analog data Analog 1 or Analog 2 picture has horizontal streaks or noise Possible cause What to do Poorly adjusted Phase This is most easily seen in vertical lines or in text black text on white background or in anything that has fine detail and high contrast Adjust the Phase control in the Picture menu Picture clarity te Colorspace RGB Sync Type Separate H amp V Vertical Frequency frame locked 60Hz Horizontal Frequency 50 00kHz Pixel Frequency 80 10MHz H Horizontal Resolution 1366 T Vertical Resolution 768 5 Frequency E 97 ER Phase 225 Sharpness Sharpest Input Levels gt a If possible use a checkerboard pattern from the picture source If the source is a computer use Windows Paint program C Set Image gt Attributes to Black and white and set the resolution to the native resolution of the Margay 1280x720 d Then choose the ninth 9th color chip from the left on the bottom row of color chips they all look white or gray or black e Choose the paint bucket and dump this pattern in the Paint wind
26. new unit that part was at fault If the problem stays in the first unit you haven t found the problem yet but you have learned something the part you moved was not the problem Put it back in the original unit and try something else You can swap Electronics Modules or fans in the same way to see if one is bad When you swap Electronics Modules for testing remember to put them back in their original locations Otherwise you may have to do setup procedures again such as Input Level adjustment and Color Balance because these values are stored in the Electronics Module When you swap fans always exchange fans of the same size Why not use a new part out of the box It may seem like a good idea to take a new part out of the box and substitute it for a suspected part in the display However there is a slight chance that the part in the box doesn t work If you test a part by putting in a known good part you get better information Margay Troubleshooting Maintenance and Service Manual 11 EDID Issues EDID Issues One problem with EDID is that Clarity displays are capable of many more resolutions video timings than can be stored in a data block of only 128 bytes Clarity displays are capable of hundreds of resolutions but the EDID block has room to store only dozens This means that some video cards will not put out certain resolutions even though the connected Clarity display is capable of handling them If the resolution
27. or combination box open end wrench 7 16 socket wrench or nut driver Needle nose pliers 129 Task 4 Gain Access Remove Rear Panel 4 Gain Access Remove Rear Panel Rear Access 1 Using the remote control turn off the lamp and allow the cooling fans to stop approximately 2 minutes before proceeding 2 Power down the unit and remove the power cord 3 Release the six quarter turn fasteners that hold the Rear Panel in place 4 Liftthe Rear Panel up and off the rear of the Margay Note the bottom center tab that fits inside the Margay to hold the bottom edge in place All the tasks in this manual are laid out hierarchically that is tasks must be performed in the order presented If you already know how to access specific components you may go directly to those tasks Remove Replace Lamp lslsslls esee 131 Remove Replace Lamp Ballast lulu 135 Gain Access to interior of unit llle 140 5 Replace the Rear Panel Task 6 Replace the Rear Panel on page 168 130 Margay Troubleshooting Maintenance and Service Manual Remove Replace Lamp 4 1 Remove Replace Lamp 1 Using the remote control turn off the lamp and allow the cooling fans to stop approximately 2 minutes before proceeding ssoooy JE9H 2 Power down the unit and remove the power cord 3 Remove the Rear Panel Task 4 Gain Access Remove Rear Panel on page 130 4 Loosen the thumbscrew on the
28. rear side of the lamp housing that secures the lamp in the lamp housing Lamp Thumbscrew 5 Pull the lamp towards the rear and remove it from the chassis Margay Troubleshooting Maintenance and Service Manual 131 Task 4 Gain Access Remove Rear Panel Task 4 1 Remove Replace Lamp Rear Access 6 Disconnect red lamp power cable 7 Remove the new lamp from its packaging and plug the red power cable into the new lamp Caution Ensure that the lamp cable is fully seated Not fully Full y seated seated 8 Insert the new lamp in the lamp housing Note the alignment pins that fit into the holes on the side of the lamp housing opposite the thumb screw If the pins are not fully seated in the alignment holes you will not be able to tighten the securing thumbscrew Tighten the thumbscrew Note Do not over tighten the thumbscrew The thumbscrew needs to be snug When the thumbscrew is hard to turn turn it no further 132 Margay Troubleshooting Maintenance and Service Manual Resetting Lamp Hours Resetting Lamp Hours When you put in a new lamp reset the time counter for that lamp Although this is not a necessary step if you are keeping track of lamp hours for each lamp don t forget to reset the lamp hours counter Why reset lamp hours This is for your information and your records only It is not required for operation or for warranty replacement ssoooy eBoy 10 Replace th
29. remove the Electronics Module from the chassis If you choose this path skip to Task 1 2 1 1 1 Installing Removing the Video Input Module on page 114 3 Disconnect the five cables at the bottom of the Electronics Module Be careful not to let the cables fall back in chassis you may wish to use masking tape to bind them together so they don t fall back into the chassis The cables are uniquely keyed to fit into only the corresponding connector Power System I O Engine Power IR HI Brite HDMI Margay Troubleshooting Maintenance and Service Manual 113 Task 1 Opening the Screen Task 1 2 Gain Access Open Electronics Module Door ae 1 2 1 Servicing the Electronics Module a To disconnect the HDMI cable remove the keeper on the HDMI cable don t lose the keeper Front Access HOMI Then disconnect the HDMI cable 4 Put the Electronics Module on a grounding mat to perform service on it 1 2 1 1 1 Installing Removing the Video Input Module 1 Gently turn over the Electronics Module to expose the Video Input Module VIM 2 If you are installing a VIM in a Margay that did not have a VIM skip to step 5 114 Margay Troubleshooting Maintenance and Service Manual Installing Removing the Video Input Module 3 Using a 1 screwdriver remove the four screws in the corners of the VIM lt oan aoe i12 vue woe vee 121 o0 294 239 ace 239 ace ace age sae 300 T veo
30. that simply pulling from the outside will cause the inside edge of the screen to press up against the screen next to it and crush the edge Note When removing screens from Banners remove outside screens and work towards the center For Towers remove the top screen and work down For stand alone installations simply remove the screen When Margays are installed in a row the screens are very close together View from above a row of Margays Margay Troubleshooting Maintenance and Service Manual 79 Task 1 Opening the Screen Front Access Pulling a screen from the outside of the row causes it to bind on its neighbor possibly damaging both eerie T esmass T mesmss i The result of pulling a screen from the CRACK outside edge DON T DOTHIS 3 The proper way is to pull first on the inside corner of an outside unit Start with this screen and pull this edge first lower corner FIRST memes T mess T TesWausi Screen Screen mnm inside edge of screen first but just a little Post Note Release the suction cup by pinching the two rubber posts together Margay Troubleshooting Maintenance and Service Manual Opening the Screen 5 Pull the outer edge to release all the spring latches LSE ees eme I Tees screen screen NENNEN sseesss2gbemmm Top of Margay 1 l SE screen Then pull the outer edge until the latc
31. the wall for large walls mark the displays that are too green too red too blue If a display is too yellow it is really has too much green and red because green and red light sources mix to make yellow q Start with displays that need green subtracted Reduce the green in these displays until they are closer in hue to the brighter displays r Look for the displays that need red subtracted and do these S Finally reduce the blue in any displays that need taken down Move the blue as little as possible Try not to move the blue more than 10 or 15 steps Second White adjustment for brightness t Reduce White All for the brightest displays to match more closely the other displays for brightness u Repeat Steps q through S as needed Margay Troubleshooting Maintenance and Service Manual 35 Margay Troubleshooting Procedures Discussion Adjusting the Grays V Ww In the Color Balance menu turn on either the Gray or the Gray Scale test pattern The Gray Scale is the preferred test pattern Choose a display that has very little hue in its gray and call this the baseline Adjust the brightness and hue of the other displays to this one In the grays your starting value is 7 and you can go up to 15 and down to 0 A good method is to change the three colors always under Gray back and forth rapidly stopping when they match DO NOT evaluate the grays by looking at the primary colors in the Test Pattern menu If you took b
32. then add displays to the chain one at a time yes 42 Margay Troubleshooting Maintenance and Service Manual Useful commands for RS232 troubleshooting Response from individual units Open The RS 232 Status menu on all displays Send a query command from the host to an individual display Do you see your query on the bottom line of the menu of the display in question f s to troubleshooting a global no Eu command chart fi Check for a carriage return on the Check the spelling of the command command Y Check that the first two characters yes are the same case RS 232 connectiors and adapters OP or op not Op or oP Check that no other displays share this display s ID If two displays try to respond the message will be garbled The Tx line to the host may not be making connection no Check the address Only n with no in them will be Lr yes r Does the commands received number increase on the display CEN Does the commands sent number increase on the display Does the Last Packet Address say This Cube Alone yes v Check the wiring of the Margay Troubleshooting Maintenance and Service Manual 43 Useful commands for RS232 troubleshooting RS232 diagnostic troubleshooting Discussion Look at the LEDs on the Electronics Module The LED named SERIAL DATA should ligh
33. wish to hide the menus so you won t be distracted by the extra colors or adjust the wrong display m If the wall is wide move around so you look at all the displays on axis Evaluate the white screens Look for the brightest display in the wall Try to ignore color when choosing the brightest display except Your eye and brain will interpret a bright bluish display to be brighter than a bright display that does not have a blue hue to it If one display is bright and particularly blue don t choose it as the brightest n Turn on the Color Balance menu again in the display you chose as the brightest by pressing the ENTER button O Use Adjust All in the White section of the Color Balance menu to bring down the brightest display to the same level as the less bright ones but do not take it down more than 5 or 6 steps If it is still too bright leave it for now Don t try to match the brightness exactly just get it closer A better match will come later As you adjust the brightness of White downward the hue may change Try to ignore the color and adjust for brightness only p If other displays are brighter bring them down also Again do not adjust more than 5 or 6 steps Initial White adjustment for hue Now step back and turn your attention to hue only For the darker displays the ones that are still at 100 for red green and blue you will subtract colors to make them match the brighter displays in hue In your mind or on a map of
34. 4 1 Remove Replace Intake Fan 0 0 eee eee eee 149 Task 4 3 4 2 Remove Replace Lamp Fan ssceces seed t e RR 150 Task 4 3 4 3 Remove Replace AC PUSE cocus RR E REX ERE ERE REN SE EP RE RE 151 Task 4 3 4 4 Remove Replace High Voltage Power Supply lesse 151 Task 4 3 5 Gain Access Remove Replace DC Power Supply Panel 154 Task 4 3 5 1 Remove Replace DC Power Supply 0 0 00 ee eee eee eee 155 Task 4 3 5 2 Remove Replace IR LED Board 0 0 0 cece ee eee 158 Task 4 3 5 3 Remove Replace AC Power Switch 0 0 00 eee eee eee 159 Task 5 Remove Electronics Module 1 0 0 0 cece ec eet teen ene eens 161 Task 5 1 Installing Removing the Video Input Module 0 0 ce eee eee eee 164 Task 5 2 Replace Electronics Module 1 2 1552 RR ERE baede peeks cue evege ee 167 Task 6 Replace the Rear Panel 2242 ER xx hex EGRE EX ERE AES RENE RI RX4 A PREX 168 Additional Resources Accessing Clarity s Customer Support Website 0 20 0 0 0c eee ee eee eee 171 Downloading Additional Documentation and Firmware aaau aerea eee ee eee 171 Downloading Utility SODBSWAe soc qu eek hx on Pie x naear 171 Contact Clarity Customer SUpport L2 rnt Gees reese eens poets REP ADAE RUIN ansa 173 Index 175 6 Margay Troubleshooting Maintenance and Service Manual Preface Audience The Margay is a 50 diagonal screen measurement DLP vi
35. 40 Task 4 3 4 Gain Access Remove High Voltage Power Supply Panel on page 148 and Task 4 3 4 3 Remove Replace AC Fuse on page 151 If the Input AC fuse F1 on the High Voltage Power Supply fails no power goes into the unit you may need to replace the High Voltage Power Supply itself If the Output AC fuse F2 on the High Voltage Power Supply fails the Electronics Module will still receive power but the lamps won t light because no power is going to the ballast Also if the Output fuse blows the problem might be the ballast and you may need to replace the ballast Test this by swapping a good ballast Check the AC power switch on the display with a voltmeter If the switch needs to be replaced see Task 1 Opening the Screen on page 78 Task 1 2 Gain Access Open Electronics Module Door on page 111 Task 1 1 4 Gain Access Remove DC Power Supply Panel on page 95 and Task 1 1 4 3 Remove Replace AC Power Switch on page 100 If you have rear access see Task 4 Gain Access Remove Rear Panel on page 130 Task 4 3 Gain Access to interior of unit on page 140 Task 4 3 5 Gain Access Remove Replace DC Power Supply Panel on page 154 and Task 4 3 5 3 Remove Replace AC Power Switch on page 159 You can t solve any other problems until the AC switch is lit Then the Margay has AC power Back to the previous question Back to the Troubleshooting List on page 13 Margay Troubleshooting Maintenance and Service Manual Margay Troublesh
36. 5 WX Bobcat X SN 4045 WX Cheetah VN 4020 V Cougar VVN 5220 S Jaguar WN 5220 V Leopard vN 3820 VA Lion X SX UX WN B720 X WN B720 SX WN 6720 UX Lion XP SXP UXP WWN 6720 XP WN B5720 SXP WN B7 20 UXP Lion XL UXL WN 6750 XL WN 6750 UXL Lynx SN 4215 P Margay WN 5040 720 Panther PN 6730 UX amp PN B740 UX Panther UXP PN 6740 UXP Puma WN 5010 X WN 5020 XP WN 5020 UXP Tiger WN 5240 5 Tigress WN 5230 S Tigress S WN 5230A S Tigress X WN 5230A X Wildcat VWN 4030 S Wildcat SE WN 4030 SE WallNet N 1010 Long Distance Courier LDC 450 LDC 1500 And more Field Replaceable Unit FRU List Policies and Processes Utility Software CAD Drawings Tools Service Training List Pricing Clarity Visual Systems 27350 SW 95th Avenue Suite 3038 Wilsonville OR 87070 Technical Support tel 503 570 4534 fax 503 570 4657 service clarityvisual com 174 Margay Troubleshooting Maintenance and Service Manual Index Numbers 9 pin to RJ45 adapter 45 A ac fuse removing and replacing front service 92 rear service 151 ac power cable location of connection on high voltage power supply 93 ac power switch remove and replace front service 100 adapter RJ45 to 9 pin 45 adjusting the large mirror 123 adjusting the large mirror for keystoned images 122 air filter changing front service 83 rear service 147 amber light on screen 72 audience 7 auto c
37. 9y 1Uu0JJ Three crimped nuts for adjusting keystone problems Effect of Adjusting Large Mirror Nuts Location Tighten Loosen L amp R Top wider Top narrower together Image moves up Image moves down B Bottom wider Bottom narrower E Image moves down Image moves up L amp B Right side taller Right side shorter Image moves right Image moves left R amp eB Left side taller Left side shorter Image moves left Image moves right Margay Troubleshooting Maintenance and Service Manual 123 Task 1 Opening the Screen Task 1 5 Removing and Replacing the Small Mirror 1 5 Front Access Removing and Replacing the Small Mirror Note Removing a mirror is done only when you are directed to do so by Clarity Customer Support or the mirror has broken Using the remote control turn off the lamp and allow the cooling fans to stop approximately 2 minutes before proceeding Open the screen Task 1 Opening the Screen Power down the unit and remove the power cord for detailed instructions see Task 1 2 Gain Access Open Electronics Module Door on page 111 Remove the small mirror The small mirror is affixed with double sided adhesive tape Slow steady pressure will release it If not break the mirror and remove the shards carefully Clean the mounting surface and remove all old adhesive with an adhesive removing solvent such as Goof Off or GooGone M Caution Don t a
38. Access Lift Light Shield Task 1 1 1 Change Air Filter Task 1 1 2 Remove Replace Lamp Ballast Task 1 1 3 Gain Access Remove High Voltage Power Supply Panel Task 1 1 3 1 Remove Replace Intake Fan Task 1 1 3 2 Remove Replace Lamp Fan Task 1 1 3 3 Remove Replace High Voltage Power Supply Task 1 1 4 Gain Access Remove DC Power Supply Panel Task 1 1 4 1 Remove Replace DC Power Supply Task 1 1 4 2 Remove Replace IR LED Board Task 1 1 5 Remove Replace Lamp Task 1 1 6 Remove Replace Optical Engine Task 1 2 Gain Access Open Electronics Module Door Task 1 2 1 Servicing the Electronics Module Task 1 2 1 1 Remove Electronics Module Task 1 2 1 1 1 Installing Removing the Video Input Module Task 1 2 1 2 Replace Electronics Module Task 1 3 Remove Replace Large Mirror Task 1 4 Remove Replace Small Mirror Task 1 5 Cleaning the Mirrors and Lenses Task 2 Replacing Screens Task 3 Cleaning the Screen After performing these parent tasks you may then install or remove the VIM See Front Access Maintenance and Service Procedures on page 77 Note These procedures require a Clarity remote control You may also use RS232 commands to perform these procedures provided you know the RS232 command equivalents 8 Margay Troubleshooting Maintenance and Service Manual Troubleshooting Margay General Troubleshooting Concepts and Procedures All troubleshooting procedures require you to gather information make assumptions and then test t
39. Amber Amber Priority 7 This code means Wait On Possible cause Lamp Saver is on there was no source and now there is a source What to do Be patient When the cool down period is ended the lamp will turn on automatically Discussion The Margay had no source for the length of the Lamp Saver setting so the lamp was turned off During the cool down period the source returned but since the cool down period was not com plete the lamp is still off Back to the Margay On screen Code list Back to the Troubleshooting List on page 13 Margay Troubleshooting Maintenance and Service Manual 67 Margay On screen Code Details and Actions to Take Red RedRedRed This code means Possible cause What to do Discussion Priority 8 Wait Lamp cooling Lamp is in its cool down period The Margay is in the Lamp off ready state and is waiting for an ON command The Margay will turn on the lamp when it receives a Lamp On command from the remote or from RS232 A cool down period of about one minute occurs after the lamp is turned off to prevent it from re striking when it is hot The lamp must be cool before it is started again Every time the lamp is turned off the Margay goes into this Wait state and the lamp fan runs for one minute That is why it is important to turn off the lamp and wait for it to cool before turning off the AC power which stops the fan When AC power is turned on the Margay el
40. Be careful not to let the cables fall back in chassis you may wish to use masking tape to bind them together so they don t fall back into the chassis 162 Margay Troubleshooting Maintenance and Service Manual Remove Electronics Module Note The cables are uniquely keyed to fit into only the corresponding connector ssoooy JE9H Power System I O Engine Power IR HI Brite HDMI a To disconnect the HDMI cable remove the keeper on the HDMI cable don t lose the keeper 8 v gt L a I o c n a c ui Then disconnect the HDMI cable 6 Put the Electronics Module on a grounding mat to perform service on it Margay Troubleshooting Maintenance and Service Manual 163 Task 5 Remove Electronics Module Rear Access 5 1 Installing Removing the Video Input Module 1 Gently turn over the Electronics Module to expose the Video Input Module VIM install area a green circuit board is visible 2 If you are installing a VIM in a Margay that did not have a VIM skip to step 5 164 Margay Troubleshooting Maintenance and Service Manual Installing Removing the Video Input Module 3 Using a 1 screwdriver remove the four screws in the corners of the VIM Margay Troubleshooting Maintenance and Service Manual 165 ssoooy JE9H Task 5 Remove Electronics Module Task 5 1 Installing Removing the Video Input Module Rear Access 5 If you are installing a VIM
41. Door Pull the Light Shield free of the latch and pull it down into the closed position Open the Electronics Module Door and tighten the Light Shield screw Close the Electronics Module Door Replace the power cord 140 Margay Troubleshooting Maintenance and Service Manual Adjusting the Optical Engine On Its Carrier 4 3 1 Adjusting the Optical Engine On Its Carrier Note This procedure assumes that you moved the Optical Engine using the adjustment motors but could not move the image far enough ssoooy JE9H To perform this task you must do one of two things remove and replace the back panel then cycle AC power to clear the interlock lamp shut down error each time you replace the panel leave the back panel off and put a piece of tape over the interlock switch to keep it closed while the back panel is off the unit WARNING tt you choose to leave the back panel off the unit while performing these adjustments you must wear some IR protective eyewear Also remember to remove the tape over the interlock after you have completed this task 1 With the image displayed on the screen use the motor adjustments to move the image to the center of the range of motion This allows you to do gross manual adjustment of the image by moving the carrier and fine image adjustment using the motors 2 Loosen the locknuts at each of the four corners of the alignment chassis 9 025202 n ee osos e Note The engine
42. Lamp Fan Remote IR Door Open Serial Data Serial Cmd Lamp Saver Engine Status Ballast Status Ballast Supply For more information about forming commands and a complete command list download RS232 Control for Margay from the Clarity Visual website For more information see Accessing Clarity s Customer Support Website on page 171 Wrong com port Check the com port setting of the computer Usually 1 is correct Incorrectly wired adapter To go from a computer s 9 pin serial out connector or a conventional automation system s serial port to the RJ45 connector of the RS232 In on the Margay you will need an adapter Wiring the adapter To go from 9 pin D sub serial connector on the back p Pe of the computer to an RJ45 connector use a N J standard RJ45 to 9 pin adapter Wire it internally as NS z shown The wiring shown for this adapter is correct for straight through cables Straight through cables are wired 1 to 1 2 to 2 etc 1 8 Yellow wire Black wire Green wire RJ45 RJ45 looking into the socket 6 5 These adapters are available at electronics stores They come with the wires not connected to the 9 pin connector Wire it as shown in this diagram Margay Troubleshooting Maintenance and Service Manual 45 Useful commands for RS232 troubleshooting Possible cause What to do Possible cause What to do Discussion Wrong serial connector on the Margay
43. Margay Troubleshooting Maintenance and Service Manual Useful commands for RS232 troubleshooting Possible cause IR receiver is disconnected from the Electronics Module What to do Remove the LV Power Supply cover and check the IR board Also check the bottom of the Elec tronics Module where all the connectors are located To inspect the IR Reciever check cable connections to it or replace it see Task 1 1 4 Gain Access Remove DC Power Supply Panel on page 95 and Task 1 1 4 2 Remove Replace IR LED Board on page 99 If you have rear access see Task 4 3 5 Gain Access Remove Replace DC Power Supply Panel on page 154 and Task 4 3 5 2 Remove Replace IR LED Board on page 158 Margay Troubleshooting Maintenance and Service Manual 49 Useful commands for RS232 troubleshooting What to do Aim the remote control at the IR receiver press any button on the remote and watch the Remote LED on the electronics module The Remote LED should flicker briefly B0ms if it is receiving IR from the remote FE K a Ra M Fi Lj z i i E Back to the the previous question Back to the Troubleshooting List on page 13 Back to the previous question 50 Margay Troubleshooting Maintenance and Service Manual Useful commands for RS232 troubleshooting Margay doesn t respond to remote control What to do What to do What to do What to do and remote does not control other Margays
44. Margay Troubleshooting Maintenance and Service Manual 115 SS929y 1u0JJ Front Access Task 1 Opening the Screen Task 1 2 Gain Access Open Electronics Module Door a 1 2 1 Servicing the Electronics Module 4 Pull the VIM out of the connectors and skip to step 6 5 If you are installing a VIM in an Electronics Module that did not have a VIM remove the connector cover on the Electronics Module Remove the two screws that secure the connector cover 6 Remove the new VIM from the packaging 116 Margay Troubleshooting Maintenance and Service Manual Replace Electronics Module Position the VIM so the RCA connectors point down the green circuit board faces up and align the connectors on the VIM with the socket on the Electronics Module Insert the VIM into the connector You can be sure the VIM is well seated when the mounting holes in the corners align with the mounting posts on the Electronics Module Secure the VIM with the four screws Replace Electronics Module Reconnect the five cables you disconnected a After you reconnect the HDMI cable slide the black snap collar onto the wire b Slide the collar pins into the locking holes on the Electronics Module to hold the HDMI cable in place n w O o o i zi Margay Troubleshooting Maintenance and Service Manual 117 SS929y 1u0JJ Front Access Task 1 Opening the Screen Task 1 2 Gain Access Open Electronics Module Door Ta
45. Mber 23s scp cebetdessicnescn sabes bes siberccecehns de peiens cus eines 70 Amber Amber Amber 4 c a sv ERROR eye ded dase boos ese eee P SERO ECENC REPOS ES 71 Solid AJUDSE quid esq EARS x VERRE EROR RS EE PRERIEQE EAE Adae Ra RE Ras Eg eee ee T2 Electronics Module LEDs Using Electronics Module LEDs decked ods cce LER ERE RR henson Sheek EE EEEERAR E 73 To ses LEDS co ees 6 Sass Ree ERR KE RA E EERE eI REPE YEN ER ERR DUREE X RU CREER 13 Detailed Explanation of Electronics Module LEDs sseslesee 75 Front Access Maintenance and Service Procedures Introduction sos vez ete See cee REO URRIS CL See REL EP CES edP ar P x EEDE SE M d p E TI Required OGIS PM 77 Task Opening th SCPTEPILo sesers Za ea Guede oS ident owed ole tpe d Genet oe 78 Task 1 1 Gain Access Lift Light Shield 24 5 0 eweddas etw ba x ERR E RR Ier e ee 82 Task 1 1 1 Change Air Filter 32 d22cc eseceeee 6 ERE RE ERR RR XA ERE RERP D RRYS 83 Task 1 1 2 Remove Replace Lamp Ballast 2 2s oo eee e e n 84 Task 1 1 3 Gain Access Remove High Voltage Power Supply Panel 89 Task 1 1 3 1 Remove Replace Intake Fan snos oz tb RR E REV RAO s 91 Task 1 1 3 2 Remove Replace Lamp Pats 2s erc Eo e Rx EX Ear ES 91 Task 1 1 3 3 Remove Replace AC Fuse 00 cc eee eee een eee e eens 92 Task 1 1 3 4 Remove Replace High Voltage Power Supply 20000 92 Task 1 1 4 Gain Access Remove DC Power Supply Panel
46. Y gt N N N N I a T 5 Replace the power cord 6 Turn on power to the Margay Margay Troubleshooting Maintenance and Service Manual 169 ssoooy JE9H Rear Access Task 6 Replace the Rear Panel 170 Margay Troubleshooting Maintenance and Service Manual Additional Resources Accessing Clarity s Customer Support Website Go to www Clarity Visual com Click on LOGIN in upper right banner Click on lower blue LOGIN NOW button User name tech Password help From there you can access downloadable utility software new firmware user manuals and service manuals To access information for a specific model click on that model name For example to download an electronic copy of this manual click on Margay Margay Troubleshooting Maintenance and Service Manual Downloading Additional Documentation and Firmware Some of the other documents for the Margay which are available from Clarity s website are listed below Document Name Contents User Guide Complete product information from installation and configuration to menu and remote control reference Margay RS232 RS232 control information Read the instructions listed under Accessing Clarity s Customer Support Website on page 171 Click Margay From the list click to download additional documentation and firmware For example to download RS232 instructions click on Technical Reference Manual for Margay Downloading Uti
47. ack 9 14 16 17 18 19 screen is solid color not black 20 screen solid color not black 10 screens do not fit together well 53 V video input module removing and replacing frontservice 114 rear service 164 W warranty 2 178 Margay Troubleshooting Maintenance and Service Manual
48. all Memory Zoom Window Bottom amp Right Viewport Window Top amp Left Diagnostics Viewport Window Bottom amp Right Reset All Windows to Default vvvvv Advanced Options Program Information VVVVVVY Zoom Top amp Left clarity Arrows move top and left 0 0 0 0 LCD Resolution 1280 x 1024 This 1280 x 1024 Back to the Picture is visible list Back to the Troubleshooting List on page 13 Margay Troubleshooting Maintenance and Service Manual 29 Margay Troubleshooting Procedures Picture is noisy Possible cause Discussion What to do Possible cause What to do Possible cause What to do Loop thru is too long Analog loop thru is sometimes good for as many as 9 displays Digital DVI loop thru is good for 5 or 6 Beyond that and sometimes even earlier you may find noisy pictures Reduce the number of Margays the picture must go through to get to the last one One way is to use a distribution amplifier or switch box so that each display or at least most of them can be fed directly Another way is to combine analog and digital loop thru For instance in a 4x4 wall loop the analog picture vertically through the first column Then loop the picture out of these along each row digitally That way the furthest display is only the 7th in the chain not the 16th Long cables from the picture source to the first display Use highest quality VGA or digital cables Put an amplifier in the
49. ally when the system has a fault Manually turning on the On Screen code 1 With the remote control press MONITOR You should see the red or amber lights flashing on the screen This also opens the Display Status menu but of course you won t see it if the lamp is off SOURCE LEVEL Unit Status n clarity FREQ CURTAIN PHASE Optical Engine SN SAVE SETUP Asset Tag PS Fan On Eng Fans On ity SIZE POS Lamp On RT TUR C3 Interlock Closed Temperature 40 C Fault Override is On Mode ID 31 HPer 3178 VLines 525 Last Fault No Fault 00 00 00 2 Ifthere is a bright picture it may be difficult to see these lights They are soft out of focus lights you may have to move around to see them Or press CURTAIN to make the screen black so they will be easier to see 3 If you see a steady unblinking amber light it means the lamp is on and there are no alarm conditions 4 Ifthe screen is black at this time there are other reasons for it being black The curtain is on and black The source itself is a black picture There is no source which turns the screen black There is some foreign object blocking the light path For more possible causes see Margay Troubleshooting Procedures on page 13 55 Automatic On Screen code display VV VV IV Automatic On Screen code display If Auto Codes is checked in the Miscellaneous menu Main Menu gt Advanced Options gt Miscellaneous the code will start
50. amp hours counter Resetting lamp hours is for your information and your records only It is not required for operation or for warranty replacement Replace the AC power cord and turn on AC power Close the electronics module door Lower the light shield Replace the screen Task 2 Replacing Screens on page 125 On the remote press ON When the lamp lights on the remote press MENU 104 Margay Troubleshooting Maintenance and Service Manual Remove Replace Lamp 17 Select Diagnostics and press ENTER Main Menu Picture Size amp Position Aspect Ratio amp Wall Memory Advanced Options Program Information wv The Diagnostics menu displays 18 Select Hours and press ENTER Diagnostics r 3 Unit Status Serial Port Status RS485 Port Status Test Patterns Setup Summary Lamp Ballast vVvwwvwvwvwv The Hours menu displays Hours ri y System Time 00636 45 Running Time 00532 00 19 Press ENTER The Confirm Lamp Hours Reset menu displays Confirm Lamp Hours Reset clarity Are you sure Yes No Margay Troubleshooting Maintenance and Service Manual 105 SS929y 1Uu0JJ Front Access Task 1 Opening the Screen Task 1 1 Gain Access Lift Light Shield a 1 1 5 Remove Replace Lamp 20 Press the left arrow key to select Yes and press ENTER Confirm Lamp Hours Reset clarity Are you sure Yes No Final Step After Replacing Lamps When you replace lamps you mu
51. ask 1 1 Gain Access Lift Light Shield on page 82 110 Margay Troubleshooting Maintenance and Service Manual Gain Access Open Electronics Module Door 1 2 Gain Access Open Electronics Module Door 1 Using the remote control turn off the lamp and allow the cooling fans to stop approximately 2 minutes before proceeding SS929y 1Uu0JJ 2 Open the screen Task 1 Opening the Screen on page 78 3 Open the electronics module door Tart AC Power cord AC Power plugs in here switch 5 Replace the AC power cord and turn on AC power 6 Close the electronics module door 7 Replace the screen Task 2 Replacing Screens on page 125 Margay Troubleshooting Maintenance and Service Manual 111 Task 1 Opening the Screen Task 1 2 Gain Access Open Electronics Module Door a 1 2 1 Servicing the Electronics Module 1 2 1 Servicing the Electronics Module The following procedures require you to use electrostatic discharge safety measures such as a grounding wrist strap and grounded work area Front Access 1 2 1 1 Remove Electronics Module 1 Loosen captive screws at the top of the Electronics Module 112 Margay Troubleshooting Maintenance and Service Manual Remove Electronics Module 2 Carefully lift the Electronics Module up and part way out of the chassis Ed If you are planning only to install or remove a Video Input Module VIM you may choose to leave the cables attached and only partially
52. at to do Open the screen Task 1 Opening the Screen on page 78 and the electronics module door Task 1 2 Gain Access Open Electronics Module Door on page 111 Or look at the Electronics Module from the rear mE 4 tae r a nm ooi Fus i ns Hj f BE a j ae Are any of the LEDs on the Electronics Module lit Yes some of the LEDs are either red or green Go to page 17 No none of the LEDs are lit They are all off Go to page 18 Back to the previous question Back to the Troubleshooting List on page 13 16 Margay Troubleshooting Maintenance and Service Manual Margay Troubleshooting Procedures Screen is black Discussion Possible cause What to do Possible cause What to do and no red or amber lights are flashing on the screen and some LEDs are lit on the Electronics Module If some of the LEDs are lit on the Electronics Module it usually means that the module is work ing At least it has power The On Screen Codes red or amber lights on the screen should be working also But you got to this point because the On Screen Codes weren t flashing On Screen Code board covered failed or disconnected This board is under the DC Power Supply amp IR board cover To inspect it check cable connec tions or replace it see Task 1 1 4 Gain Access Remove DC Power Supply Panel on page 95 and Task 1 1 4 2 Remove Replace IR LED Board on page 99 If you have rear access see Task
53. ately 2 minutes before proceeding Open the screen Task 1 Opening the Screen on page 78 Power down the unit and remove the power cord for detailed instructions see Task 1 2 Gain Access Open Electronics Module Door on page 111 Lift the light shield Task 1 1 Gain Access Lift Light Shield on page 82 Remove the three screws that secure the High Voltage Power Supply panel HV Power Supply Panel High Voltage Power Supply Panel Note Notched end at left side of chassis Margay Troubleshooting Maintenance and Service Manual 89 SS929y 1Uu0JJ Task 1 Opening the Screen Task 1 1 Gain Access Lift Light Shield a 1 1 3 Gain Access Remove High Voltage Power Supply Panel 6 Remove the High Voltage Power Supply Panel Within this cavity are three parts the Intake Fan the Lamp Fan and the High Voltage Power Supply Front Access High Voltage Power Supply Where to go from here Remove Replace Intake Fan 000e cece eee eae 91 Remove Replace Lamp Fan 0 0 cece ae eeeee 91 Remove Replace AC Fuse 000 cece eee nee eas 92 Remove Replace High Voltage Power Supply 92 When you have completed the tasks return here 7 Replace the High Voltage Power Supply Panel and secure with the three screws you removed earlier 8 Return to Task 1 1 Gain Access Lift Light Shield on page 82 90 Margay Troubleshooting Maintenance an
54. bles 7 Install the new DC Power Supply board onto the two rear snap mount posts and insert and tighten the four screws for the new DC Power Supply Be sure to reconnect the grounding wire to the front right corner of the power supply board 8 Return to Task 1 1 4 Gain Access Remove DC Power Supply Panel on page 95 1 1 4 2 Remove Replace IR LED Board 1 Remove the two screws securing the IR LED board mmm IR LED Board viewed from the front IR LED Board viewed from the rear 2 Disconnect the cable at the rear of the IR LED board 3 Remove the new IR LED Board from its packaging 4 Connect the cable to the rear of the new board Margay Troubleshooting Maintenance and Service Manual 99 SS929y 1u0JJ Front Access Task 1 Opening the Screen Task 1 1 Gain Access Lift Light Shield Task 1 1 4 Gain Access Remove DC Power Supply Panel Task 1 1 4 3 Remove Replace AC Power Switch 5 Secure the board onto the mounting posts with the screws you removed earlier 6 Return to Task 1 1 4 Gain Access Remove DC Power Supply Panel on page 95 1 1 4 3 Remove Replace AC Power Switch 1 Remove AC Power in module by loosening but not removing the two securing nuts e 2 Slide the module up 3 Turn the module partway over to expose the bottom of the module at the switch end 4 Remove the power cables noting the locations for each wire Blue to the right of the switch black to the front left brown to the r
55. carrier locknuts in the front right corner is not visible in this picture Be sure to loosen it before attempting to move the carrier Margay Troubleshooting Maintenance and Service Manual 141 Rear Access Task 4 Gain Access Remove Rear Panel Task 4 3 Gain Access to interior of unit o 4 3 1 Adjusting the Optical Engine On Its Carrier 3 Move the carrier to the left or right enough to move the image to the approximate center of the screen 4 Tighten the locknuts 5 Use the image positioning motors to position the image precisely 142 Margay Troubleshooting Maintenance and Service Manual Removing the Optical Engine 4 3 2 Removing the Optical Engine 1 Using the remote control turn off the lamp and allow the cooling fans to stop approximately 2 minutes before proceeding 2 Power down the unit and remove the power cord 3 Lift the light shield Task 4 3 Gain Access to interior of unit on page 140 4 Remove the Cam Follower a Loosen the two retaining screws on top of the Cam Follower 4 or 5 turns and don t remove them Cam Follower retaining screws Cam Follower b Push the Cam Follower back to the rear tilt the top to the rear and lift it off the top of the Optical Engine 5 Release the cable clamp on front side of Optical Engine to allow some slack in the cables This makes the cables easier to remove 6 Disconnect the following cables from the following locations Margay Troubl
56. cece hn 127 Cloth toUs P ene 2 cea he ewe ace Pde aah ge dou are eae ate gfe a ed are age ep 127 Removing dry dust iom RR ERA REA E ese saence seb n ee bsbd rerun rEd hae nes 128 Cleaning lenses 4 0 eyes niet sated eee ewan s cee eee eae ces eee ee eee sone 128 Where ts ie dint ss viv eno duo ERREIVERRRN RET PERI UPS RE RP RERO XQ ECKE RE a 128 Rear Access Maintenance and Service Procedures troduction ET TrPx cc rr 129 Required Tools 1 24 E REX RR REX A QUERENAS ER RENE RYE eked Cases RUE REY Rd ud 129 Task 4 Gain Access Remove Rear Panel 130 Task 4 1 Remove Replace Lamp zoe pee IG ERUCRRPEER IRI RI ERRARE E e does eds 131 Resetting Lamp HOTS sy uie 20892 ad ae oe STIR RR cl aoe ened um ei qup I4 e ERR eol dedo d gebat 133 Final Steps After Replacing Lamps 0 0 cece eect II 134 Task 4 2 Remove Replace Lamp Ballast 0 0 0 cece eee een eee 135 Task 4 3 Gain Access to interior of unit 1 ee eee nee 140 Task 4 3 1 Adjusting the Optical Engine On Its Carrier 0 0 0 e eee eee 141 Task 4 3 2 Removing the Optical Engine 2020504 o he e ere RE RR 143 Task 4 3 2 1 Replacing the Optical Engine 2 sese cese rr RR n 145 Task 4 3 3 Change At DIE oos sour SR or S aeo E er e abaco Re x RO pd 147 Margay Troubleshooting Maintenance and Service Manual 5 Contents Task 4 3 4 Gain Access Remove High Voltage Power Supply Panel 148 Task 4 3
57. crew Lamp Thumbscrew Lamp connector Lamp in place 102 Margay Troubleshooting Maintenance and Service Manual Remove Replace Lamp 6 Disconnect the red lamp power cable 7 Remove the old lamp Push the lamp towards the rear of the display to disengage the locator pins 8 Remove the new lamp from its packaging and plug the red power cable into the new lamp SS929y 1Uu0JJ Margay Troubleshooting Maintenance and Service Manual 103 Task 1 Opening the Screen Task 1 1 Gain Access Lift Light Shield a 1 1 5 Remove Replace Lamp Front Access 9 10 11 12 13 14 15 16 Caution Ensure that the lamp cable is fully seated Not fully Full x seated seated Insert the new lamp in the lamp housing Note the alignment pins on the lamp that fit into the holes on the side of the lamp housing opposite the thumb screw If the pins are not fully seated in the alignment holes you will not be able to tighten the securing thumbscrew Tighten the thumbscrew This can be done from the front but you may find it much easier to do from the rear Caution Do not over tighten the thumbscrew The thumbscrew needs to be snug When the thumbscrew is hard to turn turn it no further Resetting Lamp Hours When you put in a new lamp reset the time counter for that lamp Although this is not a necessary step if you are keeping track of lamp hours for each lamp don t forget to reset the l
58. cture has a colored edge 28 picture has horizontal streaks or noise 31 picture has vertical streaks 32 picture is flipped 24 picture is noisy 30 picture too large or too small 29 power supply fan see intake fan power supply high voltage removing and replacing front service 92 rear service 151 power supply low voltage see DC power supply Margay Troubleshooting Maintenance and Service Manual 177 Index problem dirt or smudges in picture 54 display does not respond to remote 47 48 51 lamp lights but won t stay lit 22 open light shield does not shut off lamp 52 open rear panel does not shut off lamp 52 picture colors are wrong 33 picture has a black edge 25 26 27 picture has a colored edge 28 picture has horizontal streaks or noise 31 picture has vertical streaks 32 picture is flipped 24 picture is noisy 30 picture too large or too small 29 red or amber lights flashing on screen 15 RS232 or RS485 communications doesn t work 38 screen is black 14 16 17 18 19 screen is solid color not black 20 screens do not fit together well 53 R reading on screen codes 57 to 72 reading the LEDs on the electronic module 73 Ready LED on electronics module 75 rear access maintenance procedures 129 to 169 rear access service procedures 129 to 169 rear panel removing 130 replacing 168 red or amber lights flashing on screen 15 Remote IR LED on electronics module 75 removing dust from mirror
59. d Protect it Wipe the mirror or screen gently with a lint free cloth or lint free paper see Cloth below Turn the cloth over to the dry side and continue wiping to take up the haze Other Cleaning Product Recommendations Glass Wax is another good cleaner for mirrors and glass screens but it does not work well on acrylic screens It is a liquid in a can You spread it on let it dry then wipe it off You may use any foaming glass cleaner that does not contain alcohol or ammonia Cloth to use White cotton cloth is better for cleaning than colored cloth The dyes in some colored cloth tend to make it less absorbent Paper towels tend to leave lint A better paper towel for cleaning are shop towels These lint free paper towels are generally available at electronic parts stores Cheesecloth is another good choice This open weave cotton material is light and absorbent Margay Troubleshooting Maintenance and Service Manual 127 Front Access Task 3 Cleaning Mirrors Lenses and Screens Removing dry dust Often the cleaning problem is just dust not fingerprints or other oily dirt If it s just dust wiping with a dry cheesecloth or a dry shop towel will usually do the job Cleaning lenses Clean lenses as you would the glass mirrors However because the lens is small it is easier to spray the cleaner if you use one on the cloth not the lens itself For best results you may choose to use a cleaning product desi
60. d Actions to Take Zz Amber Amber Priority 10 This code means Lamp off Ready Possible cause There is no problem The lamp is waiting for you to command them to turn on What to do Aim the remote at the Margay and press the ON button Or send a Lamp On command with RS232 commands Or leave the lamp off Back to the Margay On screen Code list Back to the Troubleshooting List on page 13 70 Margay Troubleshooting Maintenance and Service Manual Margay On screen Code Details and Actions to Take Zz a gt as Amber Amber Amber Priority 11 This code means Lamp Striking starting Possible cause There is no problem Discussion The lamp is trying to light Give it time It takes about ten seconds for the lamp to light the Elec tronics Module to know that it is lit If the lamp does not light after several tries the code will become Red Red Back to the Margay On screen Code list Back to the Troubleshooting List on page 13 Margay Troubleshooting Maintenance and Service Manual 71 Margay On screen Code Details and Actions to Take SS Solid Amber This code means Possible cause What to do What to do Discussion What to do Possible cause What to do What to do Priority 12 Lamp on and all OK There is no problem The lamp is on If the screen is black then check the fol lowing Check for test patterns Maybe a black test pattern is on With the remote MENU gt D
61. d Service Manual Remove Replace Intake Fan 1 1 3 1 1 1 3 2 Remove Replace Intake Fan Note You ll need a ratchet handle and 5 16 socket or 5 16 combination wrench to remove the mounting nuts because of the limited space within the High Voltage Power Supply cavity Disconnect the Intake Fan power cable attached to the right side of the power supply Intake Fan Lamp Fan Intake Fan Power Cable Remove the mounting nuts from the corners of the Intake Fan Remove the old Intake Fan from the mounting studs Replace the new Intake Fan on the mounting studs Be sure the label on the fan is visible label should point to the front of the unit which is the opposite of the Lamp fan Replace and gently tighten the mounting nuts Caution Do not over tighten the mounting nuts The corners of the fan could break off Reconnect the Intake Fan power cable Return to Task 1 1 3 Gain Access Remove High Voltage Power Supply Panel on page 89 Remove Replace Lamp Fan The Lamp Fan is not yet field replaceable Contact Clarity Customer Support for help Margay Troubleshooting Maintenance and Service Manual 91 SS929y 1Uu0JJ Task 1 Opening the Screen Task 1 1 Gain Access Lift Light Shield Task 1 1 3 Gain Access Remove High Voltage Power Supply Panel Task 1 1 3 3 Remove Replace AC Fuse 1 1 3 3 Remove Replace AC Fuse Fuses are located on the right and left side of the High Voltage Power Supply Front Acce
62. deo display unit Margays may be installed in many different configurations stand alone banner tower or wall and can be mounted upright flying or tilted The most common configuration is a wall of several units high by many units wide to create a large video screen This manual is intended for factory trained and certified QST Quality Service Technician personnel only WARNING The procedures described in this manual could expose personnel to UV light hot surfaces and potentially lethal high voltage You must observe all safety notices while working on the display How this Manual is Organized This manual may be used online or printed on paper For example many hyperlinks appear with blue underlining and when clicked onscreen display the linked section There are five sections in this manual The first three sections contain methods of diagnosing problems The last two sections contain service and maintenance procedures which are presented hierarchically Diagnosing Problems There are three separate sections to help you diagnose problems with the display Troubleshooting The Troubleshooting section contains lists of symptoms such as The screen is black that are linked to a series of detailed questions that lead you to a solution This is a good place to start See Margay Troubleshooting Procedures on page 13 On screen Codes The On Screen codes are red and amber lights that flash in specific patterns on the
63. e limitations will apply to all claims including without limitation warranty contract indemnity tort including negligence strict liability or otherwise Part Number 072 0002 00 Rev 1 0 0 April 04 2006 2 Margay Troubleshooting Maintenance and Service Manual Contents Preface PURIS se eee ees es see fens cepa dens ae TESTER a bi nec dete cores ease ected E cone E E 7 How this Manual is Organized 1 enea 7 Diagnosing Problems La s uinea 420d re ced aae eb Sob qo ae Io dera pod caus qr en o ded AUR ete ee 7 Service and Maintenance Procedures Re es 8 Troubleshooting Margay General Troubleshooting Concepts and Procedures 0 0 0 0 eects 9 Swapping Lamps and Ballasts 125 242 4ne kn RP ER RR REC RPSerE Ore E ER LED 10 Swapping other parts sends ou kien ween eee a QUERI ERE XN A qe t Sa sede ede KESA 11 Why not use a new part out of the box 6 eee n 11 EDID ISSUES wm 12 Margay Troubleshooting Procedures 0 0 0 cee ccc ene eee e nee 13 Screen is Black seen Gerretse E RR ERPE Nee ER E E e E ep OP ER Eee he ees 14 Red or amber lights flashing on the screen 24ssacess t ea res or RERO Rd 15 Screen 18 Blak sacs ded pada save rae nitire EEO AE EAEE EE EGER E Ed E 16 Screen 1s Black sestane naoniek E dE S REESE a ia ER eae bare aS ee eee 17 Screen is black i cerris ia ey AGERE AREE RR A Ea REEE E E ERE E AEE EE qu 18 Screen is DICK Wem E Aa aT c A aeea aa E aA a aE 19 Scree
64. e rear 2 Disconnect the cable at the rear of the IR LED board 3 Remove the new IR LED Board from its packaging 4 Connect the cable to the rear of the new board 5 Screw the board onto the mounting posts 6 Return to Task 4 3 5 Gain Access Remove Replace DC Power Supply Panel on page 154 158 Margay Troubleshooting Maintenance and Service Manual Remove Replace AC Power Switch 4 3 5 3 Remove Replace AC Power Switch 1 Remove AC Power in module by loosening but not removing the two securing nuts D CA da Loosen these two nuts 2 Slide the module up 3 Turn the module partway over to expose the bottom of the module at the switch end 4 Remove the power cables noting the locations for each wire Blue to the right of the switch black to the front left brown to the rear left Margay Troubleshooting Maintenance and Service Manual 159 ssoooy JE9H Task 4 Gain Access Remove Rear Panel Task 4 3 Gain Access to interior of unit Task 4 3 5 Gain Access Remove Replace DC Power Supply Panel Task 4 3 5 3 Remove Replace AC Power Switch Rear Access 5 Using a pair of needle nose pliers depress the catches on either side of the switch 6 Slide the switch out of the opening 7 Insert the new switch firmly into the opening and depress until the latches secure the switch in the module 8 Reconnect the cables Blue to the right of the switch black to the front left brown to the rear
65. e rear panel and tighten the six quarter turn fasteners that hold the Rear Panel in place 11 Replace the AC power cord and turn on AC power 12 Aim the remote at the screen and press ON 13 When the lamp lights on the remote press MENU 14 Select Diagnostics and press ENTER Main Menu Picture Size amp Position Aspect Ratio amp Wall Memory Advanced Options Program Information vVvvvvvvv The Diagnostics menu displays Margay Troubleshooting Maintenance and Service Manual 133 Rear Access Task 4 Gain Access Remove Rear Panel Task 4 1 Remove Replace Lamp 15 16 17 Select Hours and press ENTER Diagnostics r E Unit Status Serial Port Status RS485 Port Status Test Patterns Setup Summary Lamp Ballast vvvvvv The Hours menu displays Hours ri y System Time 00636 45 Running Time 00532 00 Lamp 00d 00d 00d Press ENTER The Confirm Lamp Hours Reset menu displays Confirm Lamp Hours Reset clarity Are you sure Yes No Press the left arrow key to select Yes and press ENTER Confirm Lamp Hours Reset clarity Are you sure Yes No Final Steps After Replacing Lamps When you replace lamps you must color balance the units that received new lamps to ensure a uniform image across the wall Use the procedure described in the Margay User Guide but only color balance the units with new lamps after resetting to defaults 134 Margay Troubleshooting Maintenance
66. e the Electronics Module from the front see Task 1 2 Gain Access Open Electronics Module Door on page 111 and Task 1 2 1 Servicing the Electronics Module on page 112 To remove and replace the Electronics Module from the rear see Task 5 Hemove Electronics Module on page 161 Back to the previous question Back to the Troubleshooting List on page 13 Margay Troubleshooting Maintenance and Service Manual 19 Margay Troubleshooting Procedures Screen is solid color but not black Discussion You know the lamps are lit The screen is a solid color for one of these reasons Possible cause There is a test pattern active What to do Open the Test Pattern menu MENU gt DIAGNOSTICS gt TEST PATTERNS Select None and press ENTER Test Patterns Z it Possible cause No source which means the Curtain aka Video Mute is on and the Curtain is set to the solid color you see What to do Check the Picture menu With no menus showing press MENU Select Picture and press ENTER Picture zy x 20 Margay Troubleshooting Maintenance and Service Manual Margay Troubleshooting Procedures Possible cause What to do Possible cause What to do If the Sync Type is Unknown either there is no source picture or the source picture is a type that the Margay can t display Check the source Curtain has been turned on manually and it is set to a solid color Press the CURTAIN button on
67. ear left 100 Margay Troubleshooting Maintenance and Service Manual Remove Replace AC Power Switch 5 Using a pair of needle nose pliers depress the catches on either side of the switch Slide the switch out of the opening Insert the new switch firmly into the opening and depress until the latches secure the switch in the module Reconnect the cables Blue to the right of the switch black to the front left brown to the rear left Slide the module back onto the mounting studs and tighten the securing nuts Return to Task 1 1 4 Gain Access Remove DC Power Supply Panel on page 95 Margay Troubleshooting Maintenance and Service Manual 101 SS929y 1u0JJ Front Access Task 1 Opening the Screen Task 1 1 Gain Access Lift Light Shield o 1 1 5 Remove Replace Lamp 1 1 5 Remove Replace Lamp 1 Using the remote control turn off the lamp and allow the cooling fans to stop approximately 2 minutes before proceeding 2 Open the screen Task 1 Opening the Screen on page 78 3 Power down the unit and remove the power cord for detailed instructions see Task 1 2 Gain Access Open Electronics Module Door on page 111 4 Lift the light shield Task 1 1 Gain Access Lift Light Shield on page 82 5 Loosen the lamp thumbscrew located on the rear side of the lamp housing that secures the lamp This can be done from the front but you may find it easier to replace lamps from the rear Lamp Thumbs
68. ectronics does not know how long the lamp has been off It could have been days ago that the lamp was turned off and they are cool Or it could have been that AC power was lost for one second Therefore for safety of the lamp the cool down period starts whenever AC power is applied At the end of the cool down period one of these events will occur The fan will turn off and the Margay will go into Standby to wait for a signal from the remote control or RS232 to turn the lamp on The lamp will turn on automatically because Auto Lamp On was selected in the Advanced Options Lamp Settings menu Back to the Margay On screen Code list Back to the Troubleshooting List on page 13 Margay Troubleshooting Maintenance and Service Manual Margay On screen Code Details and Actions to Take GP GED OQ Amber Amber Red This code means Possible cause What to do Priority 9 Lamp off Auto Off There is no problem The lamp was turned off by the Lamp Saver feature which turns the lamp off when there is no source picture for a period of time Turn on the lamp with the remote or with an RS232 command Check the source picture to see that it is present Possibly the Margay was working from an input connector that had no source connected to it Back to the Margay On screen Code list Back to the Troubleshooting List on page 13 Margay Troubleshooting Maintenance and Service Manual 69 Margay On screen Code Details an
69. edred 66 red red amber 64 red red amber amber 67 red red amber red 65 red red red 59 red red red red 68 solid amber 72 low voltage power supply panel see DC power supply panel low voltage power supply see DC power supply M maintenance procedures front access 77 to 128 rear access 129 to 169 manualorganization 7 manually image adjustment 141 manually turning on on screen codes 55 mirror removing and replacing large 119 small 124 mirrors cleaning 127 N nuts crimped on large mirror 122 O on screen code 55 on screen code table of 57 on screen codes 55 to 72 automatically turning on 56 detailed explanations 58 to 72 manually turning on 55 reading 57 to 72 on screen flashing lights amber amber 70 amber amber amber 71 amber amber red 69 amber red amber 69 red amber 62 red amber red 63 red red 66 red red amber 64 red red amber amber 67 red red amber red 65 red red red 59 red red red red 68 solid amber 72 open light shield does not shut off lamp 52 open rear panel does not shut off lamp 52 opening screen 78 opening the screen from the front 78 to 81 optical engine power supply cable location of 108 optical engine manually adjusting 141 optical engine removing and replacing front service 107 rear service 143 organization of manual 7 P picture crooked 122 keystoned 122 picture colors are wrong 33 picture has a black edge 25 26 27 pi
70. eshooting Maintenance and Service Manual 143 ssoooy JE9H Rear Access Task 4 Gain Access Remove Rear Panel Task 4 3 Gain Access to interior of unit Task 4 3 2 Removing the Optical Engine Task a On top of the Optical Engine remove the following cables Power Supply cable cable 7 in pictures below Lamp Fan cable cable 6 in pictures below Ballast cable cable 3 in pictures below El ser t i INDEX a LAMP FAN a NOE DWD FAN Power Supply Lamp Fan Ballast 7 6 5 4 3 2 1 144 Margay Troubleshooting Maintenance and Service Manual Replacing the Optical Engine b On right side of Optical Engine remove HDMI cable remove the keeper first then detach the cable don t lose the keeper 7 Slide the Optical Engine halfway up out of the Alignment Chassis 8 Tilt the top of the Optical Engine toward the rear and lift it up and out of the Alignment Chassis the rest of the way 4 3 2 1 Replacing the Optical Engine 1 Before you install the new Optical Engine or replace the old one clean the lens Task 3 Cleaning Mirrors Lenses and Screens on page 127 2 Replace new Optical Engine in the Alignment Chassis Slide the Optical Engine Slot in front of the Optical Engine Carrier Tab Optical Engine Carrier Tab 3 Tighten the Cam Follower screws you loosened earlier 4 Reconnect the four cables you removed earlier a On top of the Optical Engine connect Power Supply cab
71. eystoned after alignment you may need to adjust the large mirror Task 1 4 Adjusting the Large Mirror for Keystoned Images on page 122 Margay Troubleshooting Maintenance and Service Manual 121 SS929y 1u0JJ Task 1 Opening the Screen Task 1 4 Adjusting the Large Mirror for Keystoned Images Front Access 1 4 Adjusting the Large Mirror for Keystoned Images Keystone pictures have this shape or this shape They are wider on one edge than on the opposite edge It is not a common problem but if after replacing the mirror your display has this problem do this 1 Turn on the internal Geometry Pattern from the Test Pattern menu a Press MISC three times to open the Test Pattern menu b Choose Geometry Pattern at the bottom of the list and press ENTER 2 Compare the width of the top of the pattern to the width at the bottom If these two are the same within one or two pixels leave it alone 3 Compare the height on the left side with the height on the right If these two are the same within one or two pixels leave it alone Caution Do not try these adjustments unless you are sure they need to be done This is not something you want to adjust just to see what happens These three nuts were crimped to prevent them from turning accidentally so they may be very hard to start Note Do not confuse image rotation with keystone If you think the pattern is rotated choose Left edge or Right edge and press or
72. g rear panel does not shut off the lamp Possible cause What to do Possible cause What to do OR Opening the light shield does not shut off the lamp Caution This is a serious safety hazard The light shield switch is bypassed The light shield switch should open that is be released whenever the rear panel is removed or the light shield is raised This switch is sometimes taped closed for testing purposes remove the tape from the switch Switch is wired wrong If the switch is in its open position as it would be if the rear panel were off and the lamps can still be lit maybe the switch is wired wrong The wires should connect to the two contacts near est the hinge of the light shield Back to the Troubleshooting List on page 13 Margay Troubleshooting Maintenance and Service Manual Useful commands for RS232 troubleshooting Screens do not fit together well Possible cause Discussion What to do Note If the screens fit together before servicing but do not fit after servicing the screens were replaced on the wrong units You may have to remove all the screens and check the placement of shims Poorly aligned wall of Margays If this is a new installation and the screens do not fit well the first time you put them on this prob ably means the first bottom row of Margays is not straight The bottom row must be straight It does not have to be level but it must be straight Do not trust y
73. gned specifically for cleaning optical glass Where is the dirt When you see dirt in the picture you can sometimes tell where it is by its focus Use a white test pattern to see the dirt most easily Small specs of dirt or dust that are in very sharp focus are on the screen itself If the dirt is in soft focus it is probably a smudge on the large mirror Dirt on the output lens cannot be seen in the picture However that does not mean you should not clean this lens Dirt here will reduce the brightness of the picture but it won t show up as specs in the picture 128 Margay Troubleshooting Maintenance and Service Manual Rear Access Maintenance and Service Procedures Introduction The procedures in this chapter are similar to those contained in Front Access Maintenance and Service Procedures on page 77 but the actual steps and methods you ll use may be different Note Directions that refer to the right or left of the unit are for the unit itself when viewed from the front Thus standing at the rear of the unit the Electronics Module power switch and plug receptacle are on the rear right side of the unit which is on your left If you have a part under warranty or a part can be repaired under Clarity s repair option contact Clarity Customer Service See Contact Clarity Customer Support on page 173 Required Tools 1 and 2 Phillips screwdrivers stubby 2 Phillips screwdriver 5 16 socket and ratchet handle
74. hed end at left side of chassis 148 Margay Troubleshooting Maintenance and Service Manual Remove Replace Intake Fan 3 Remove the High Voltage Power Supply Panel Within this cavity are three parts an Intake Fan a Lamp Fan and the High Voltage Power Supply Intake Fan High Voltage Power Supply Remove Replace Intake Fan llis lessen 149 Remove Replace Lamp Fan issllslses ess 150 Remove Replace High Voltage Power Supply 151 4 Replace the High Voltage Power Supply Panel and secure with the three screws you removed earlier 5 Return to Task 4 3 Gain Access to interior of unit on page 140 You ll need a ratchet handle and 5 16 socket or combination wrench to remove the mounting nuts because of the limited space within the power supply cavity Margay Troubleshooting Maintenance and Service Manual 149 Rear Access Task 4 Gain Access Remove Rear Panel Task 4 3 Gain Access to interior of unit 4 3 4 Gain Access Remove High Voltage Power Supply Panel 4 3 4 2 Disconnect the Intake Fan power cable attached to the right side of the power supply Intake Fan Lamp Fan Intake Fan Power Cable Remove the mounting nuts from the corners of the Intake Fan Remove the old Intake Fan from the mounting studs Replace the new Intake Fan on the mounting studs Be sure the label on the fan is visible label should point to the front of the unit which is the opposite of the
75. hes release Pull outside lower corner third and x Then pullthis edge then pull outside 3 lower corner FIRST upper corner last 6 Pull the screen all the way out on the support rails Caution when the screen is fully extended on the support rails the unit could tip forward if not tied back to a support structure or wall or anchored to other units in an appropriate fashion For more information see the Margay User Guide 7 Lift the screen up off the support pins to remove the screen from the support rails Caution Before you perform any work inside the unit be sure to completely power down the unit and remove the power cord to prevent electric shocks and to prevent someone from inadvertently powering up the unit and turning on the lamp For specific steps refer to Task 1 2 Gain Access Open Electronics Module Door on page 111 All the tasks in this manual are laid out hierarchically that is tasks must be performed in the order presented If you already know how to access specific components you may go directly to those tasks Gain Access Lift Light Shield 000 82 Gain Access Open Electronics Module Door 111 Remove Replace Large Mirror 0000eeue 119 Removing and Replacing the Small Mirror 124 Cleaning Mirrors Lenses and Screens 127 8 Replace the screen See Task 2 Replacing Screens on page 125
76. hose assumptions until you arrive at the problem and can solve it Possible solutions to the most common problems are explained below For more involved problems and solutions see Margay Troubleshooting Procedures on page 13 Do This Step 1 On the remote press MONITOR If your screen is black Result A menu appears Explanation Further Action The source is black On the remote press SOURCE to change to different source If you know the source is not black go to Step 2 No menu appears but see flashing lights The lamp may not be lit On the remote press ON If the screen is still black For help interpreting the flashing on screen lights see On Screen Codes on page 55 No menu appears and no flashing lights Go to Step 4 Step 2 On the remote press CURTAIN The correct source appears The Curtain aka Video Mute was on If the correct source did not appear go to Step 3 Step 3 On the remote press MONITOR twice The Test Patterns menu appears Check that no test patterns are selected If a test pattern is selected move the selector to None and press ENTER Step 4 Check Power cable is connected and power rocker switch is ON Reconnect cable or turn on unit If none of these steps have resolved the problem see Margay Troubleshooting Procedures on page 13 Swapping Lamps and Ballasts If your screen is a solid color but not black Do Th
77. iagnostics gt Test Patterns Select the test pattern None and press ENTER Or select any colored pattern and press ENTER You should see that pattern on the screen Check the SOURCE LED on the electronics module If it is red there is no source picture on the selected input even if there are source pictures on other inputs When there is no source the Margay puts up the Curtain usually a black test pattern but some times other colors or the Clarity logo Check the source itself If the source LED on the electronics module is green there is a picture on the selected input Maybe the source picture is all black The lamp is off but the Margay reports that it is on Without fully opening the Rear Panel peek through the crack between the Rear Panel and the chassis to see if the lamp is really on If it is and you see this steady amber indicator on the screen the electronics module is reporting incorrectly Turn off the lamp wait for the fans to stop then cycle AC power off and on to reset the electronics Something is preventing the light from getting through the optics to the screen Is there light coming out of the optical engine s lens Back to the Margay On screen Code list Back to the Troubleshooting List on page 13 Margay Troubleshooting Maintenance and Service Manual Electronics Module LEDs Using Electronics Module LEDs The LEDs on the electronics module can give you more detailed information about the Marga
78. ill flash on the screen in this case priority 2 red amber Back to the Troubleshooting List on page 13 Margay Troubleshooting Maintenance and Service Manual Margay On screen Code Details and Actions to Take Red Red Red Priority 1 This code means Door open Possible cause Rear panel is off What to do Replace the rear panel and tighten all quarter turn panel screws 6 of them Discussion There is only one switch located on the inside of the light shield near the hinge on the right side looking from the front When the rear panel is removed this switch opens and the Electronics Module turns the lamp off When the rear panel is in place and the light shield is lifted the switch moves away from the rear panel opens and the Electronics Module turns the lamp off During troubleshooting it is all right to bypass this switch by temporarily taping it closed Be sure to remove the tape when you are finished Margay Troubleshooting Maintenance and Service Manual 59 Margay On screen Code Details and Actions to Take Possible cause Light shield is lifted What to do Check that the light shield is lowered and the screw is tightened Possible cause Wires disconnected from either interlock switch ZA A What to do Check that two wires are connected to the interlock switch And of course that the switch is closed by lowering the light shield and replacing the rear panel 60 Ma
79. in Access Remove Replace DC Power Supply Panel Lift the light shield Task 4 3 Gain Access to interior of unit on page 140 Remove the four mounting screws three are in the interior of unit the fourth is in the Electronics Module access area Remove all four screws Lower the light shield but do not screw it down Open the Electronics Module door From within the Electronics Module area lift the DC Power Supply Panel toward the front and up You may need to push it toward the front from inside the rear panel cavity Be sure not to scratch the screen with the DC Power Supply Panel Remove the panel through the Electronics Module opening Close the Electronics Module door 154 Margay Troubleshooting Maintenance and Service Manual Remove Replace DC Power Supply 8 Liftthe Light Shield and latch up in place 10 11 12 4 3 5 1 The DC Power Supply cavity is exposed IR LED Board DC Power Supply Where to go from here Remove Replace DC Power Supply 05 155 Remove Replace IR LED Board lisse 158 Remove Replace AC Power Switch 05 159 When you complete the tasks return here Close the Electronics Module door Pull the Light Shield free of the latch and lower it to its resting place Open the Electronics Module door and feed the DC Power Supply Panel into the interior of the Margay Replace the DC Power Supply Panel a Slide the DC Power Supply Pa
80. in a Margay wall may be differ from one to another display To adjust Input Levels for analog sources you need a black picture and a white picture from the source computer a Show a black picture from the source This must come from the computer Source that will be used for the program It does no good to use your laptop for this adjustment then connect to a different computer for the program Nor can you use the Margay s black test pattern Hint Make a black screen from Windows Paint program Run gt mspaint or use Desktop Properties Margay Troubleshooting Maintenance and Service Manual 33 Margay Troubleshooting Procedures b In the MANUAL LEVELS menu select AUTO BLACK LEVEL and press ENTER Input Levels clarity VA Oo Oo Auto White Level gain Center Point 64 124 99 O Black Level offset All 79 Red SEEN 89 Green je 67 Blue C 83 f White Level gain All m 99 Red C 99 Green 0 99 Blue 99 Cc Show a white picture from the source d Select AUTO WHITE LEVEL and press ENTER The Margay is now adjusted to the black and white levels of this computer using this video card If you change computers or video output cards in the computer you must do this again Adjusting Color Balance is a somewhat complicated procedure See the section Adjusting Color Balance in the Margay User Guide Discussion Color balancing makes all the displays in a wall ha
81. in an Electronics Module that did not have a VIM remove the connector cover on the display Remove the two screws that secure the connector cover 6 Remove the new VIM from the packaging 7 Position the VIM so the RCA connectors point down and the green circuit board is facing up and align the connector on the VIM with the socket on the Electronics Module 8 Insert the VIM into the connector You can be sure the VIM is well seated when the mounting holes in the corners align with the mounting posts on the Electronics Module 9 Secure the VIM with the four screws 166 Margay Troubleshooting Maintenance and Service Manual Replace Electronics Module 5 2 Replace Electronics Module 1 Reconnect the five cables you disconnected earlier a Reconnect the cables to their uniquely keyed connectors gr canos i e b After you reconnect the HDMI cable slide the black snap collar onto the wire C Slide the keeper into the locking holes on the Electronics Module to hold the HDMI cable in place c Y z 5 a 9 AS a 2 Make sure the HDMI cable is secured 3 Carefully insert the cable end of Electronics Module into cavity to the right of the DC Power Supply Panel 4 Align the Electronics Module mounting screws with the screw holes and tighten the captive screws SSo29V JE9H Margay Troubleshooting Maintenance and Service Manual 167 Rear Access Task 6 Replace the Rear Panel Task 5 2
82. in the unit align the mounting studs with the chassis mounting holes Note We have found it easier to align the bottom center first Place the nut on the bottom stud and tighten it partially Take care to support the mirror in place until all the nuts are installed to prevent torquing the mirror and possibly cracking it Make sure you count the turns when you replace the nut Align the top two mounting studs with their chassis mounting holes Tighten the nuts part way Make sure you count the turns when you replace the nuts 120 Margay Troubleshooting Maintenance and Service Manual Align the image 16 17 18 19 When all three nuts are holding the mounting studs in place you may remove your support from the mirror Tighten the nuts until the stud is almost flush with the top of the nut You may need to tighten or loosen the nuts when you align the image Remove the protective film The mirror is covered with a protective film This should be removed before you align the image Be careful pulling the film off generates static electricity It isn t dangerous but it is annoying It might be advisable to place one hand on the metal chassis while removing the film It will reduce static shock If the mirror has any smudges or residual adhesive clean the mirror Task 3 Cleaning Mirrors Lenses and Screens Align the image Follow the alignment procedures explained in the Margay User Guide If the image is k
83. ing front service 99 rear service 158 K keystoned images adjusting the large mirror for 122 L lamp lamps on in diagnostic code 57 won t light troubleshooting 10 lamp ballast removing and replacing front service 84 rearservice 135 lamp cable ensuring fully seated 88 lamp fan cable location of on optical engine 108 lamp fan location 90 lamp fan removing and replacing front service 91 rear service 150 lamp hours resetting 104 133 Lamp LED on electronics module 75 lamp lights but won t stay lit 22 Lamp Saver LED on electronics module 76 lamp removing and replacing 104 133 front service 102 rear service 131 large mirror adjusting for keystoned images 122 large mirror adjusting 123 large mirror removing and replacing 119 LEDs on electronic module reading the 73 LEDs on electronics module 73 to 76 Ballast Status 76 Ballast Supply 76 detailed explanation 75 Door Open 75 Engine Status 76 Fan 75 Lamp 75 Lamp Saver 76 Ready 75 Remote IR 75 Serial Cmd 76 Serial Data 76 Source 75 LEDs electronic module table of 75 lenses cleaning 127 light shield screw location of 82 light shield lifting for front service 82 176 Margay Troubleshooting Maintenance and Service Manual Index light shield lifting from the front 82 lights flashing on screen amber amber 70 amber amber amber 71 amber amber red 69 amber red amber 69 red amber 62 red amber red 63 r
84. ing to the ballast from the Ballast enclosure Power cable 10 Remove the old Ballast 11 Remove the new Ballast from its packaging 12 Connect the cables leading from the enclosure to the new Ballast Ballast sense and control cable Power cable 138 Margay Troubleshooting Maintenance and Service Manual Remove Replace Lamp Ballast 13 Insert the tongue at bottom of the Ballast into the slot of the enclosure 14 Tilt the Ballast into the enclosure 15 Insert and tighten the two screws 16 Reattach the Lamp cable Margay Troubleshooting Maintenance and Service Manual 139 ssoooy JE9H Rear Access Task 4 Gain Access Remove Rear Panel Task 4 3 Gain Access to interior of unit 4 3 Nn Oo oa FF W N 10 11 12 Gain Access to interior of unit Using the remote control turn off the lamp and allow the cooling fans to stop approximately 2 minutes before proceeding Power down the unit and remove the power cord Remove the Rear Panel Task 4 Gain Access Remove Rear Panel on page 130 Open the Electronics Module Door Loosen the Light Shield screw Close the Electronics Module Door Push up the Light Shield and latch it in place Removing the Optical Engine 00 0000s 143 Change Air Filter 2l 147 Gain Access Remove High Voltage Power Supply Panel 148 Gain Access Remove Replace DC Power Supply Panel 154 Close the Electronics Module
85. is Result Explanation Further Action Step 1 On the remote press The correct source If the correct source did not appear go to Step 2 CURTAIN appears Step 2 On the remote press The Test Patterns Check that no test patterns are selected If a test MONITOR twice menu appears pattern is selected move the selector to None and press ENTER If no test pattern was selected go to Step 3 Step 3 Check to see if the If the source is not a solid color and none of these steps have resolved the source is a solid color problem see Margay Troubleshooting Procedures on page 13 Margay doesn t respond to remote control Possible Cause Possible Resolution IR response disabled via RS232 Re enable IR response using RS232 commands Remote batteries are dead or improperly installed Replace or reinstall batteries Lamps won t light Possible Cause Possible Resolution Rear panel is open or Put the rear panel or light shield back in place and cycle the AC power off then on light shield is up A fan has failed Look at the LEDs on the Electronics Module for a red LED in the Fan section A fans must operate for the lamps to light See Electronics Module LEDs on page 73 If the Door Open LED is amber cycle the AC power off then on To test a lamp remove it and exchange it for a lamp you know is good from another Margay See Swapping Lamps and Ballasts on page 10 If the good lamp does not work in the bad
86. le Lamp cable Ballast cable Margay Troubleshooting Maintenance and Service Manual 145 ssoooy JE9H Rear Access Task 4 Gain Access Remove Rear Panel Task 4 3 Gain Access to interior of unit Task 4 3 2 Removing the Optical Engine Task 4 3 2 1 Replacing the Optical Engine b On right side of Optical Engine connect HDMI cable 5 Return to Task 4 3 Gain Access to interior of unit on page 140 146 Margay Troubleshooting Maintenance and Service Manual Change Air Filter 4 3 3 Change Air Filter 1 Liftthe light shield Task 4 3 Gain Access to interior of unit on page 140 2 Liftout the air filter tilting it towards the front of the unit as you lift 3 Insert a new air filter Confirm that the airflow direction is correct that is the flow should be into the unit 4 Return to Task 4 3 Gain Access to interior of unit on page 140 ssoooy JE9H Margay Troubleshooting Maintenance and Service Manual 147 Rear Access Task 4 Gain Access Remove Rear Panel Task 4 3 Gain Access to interior of unit ais 4 3 4 Gain Access Remove High Voltage Power Supply Panel 4 3 4 Gain Access Remove High Voltage Power Supply Panel 1 Lift the light shield Task 4 3 Gain Access to interior of unit on page 140 2 Remove the three screws that secure the panel HV Power DC LV PowerSupply Module r Supply Panel amp IR board Panel High Voltage Power Supply Cover Note Notc
87. left 9 Slide the module back onto the mounting studs and tighten the securing nuts 10 Return to Task 4 3 5 Gain Access Remove Replace DC Power Supply Panel on page 154 160 Margay Troubleshooting Maintenance and Service Manual Remove Electronics Module 5 Remove Electronics Module The following procedures require you to use electrostatic discharge safety measures such as a grounding wrist strap and grounded work area 1 Open the Electronics Module door 2 Loosen captive screws at the top of the Electronics Module 3 Carefully lift Electronics Module up and away from its installed position This step assumes that you have already removed the DC Power Supply cover Task 4 3 5 Gain Access Remove Replace DC Power Supply Panel on page 154 to access the cables and to give you more slack to remove and replace the Electronics Module Margay Troubleshooting Maintenance and Service Manual 161 ssoooy JE9H Task 5 Remove Electronics Module 4 Tilt the Electronics Module s rear corner down into the cavity below it and tilt it out through the opening Rear Access Note If you are only installing or removing a Video Input Module VIM you may leave the cables attached and only partially remove the Electronics Module from the chassis If you choose this path skip to Task 5 1 Installing Removing the Video Input Module on page 164 5 Disconnect the five cables at the bottom of the Electronics Module Note
88. lity Software Read the instructions listed under Accessing Clarity s Customer Support Website on page 171 171 Downloading Utility Software Click Utility Software From the list of available software click on the tool you need For example to control the Margay using RS232 commands download Serial Talk You may also wish to download Using Serial Talk which is a document that explains how to use Serial Talk 172 Margay Troubleshooting Maintenance and Service Manual Contact Clarity Customer Support Contact Clarity Customer Support via mail Clarity Visual Systems Inc Clarity Customer Service 27350 SW 95th Ave Suite 3038 Wilsonville Oregon USA 97070 via e mail service clarityvisual com via phone 1 503 570 4634 via fax 1 503 570 4657 Margay Troubleshooting Maintenance and Service Manual 173 Contact Clarity Customer Support To access utilities such as Cube Control Serial Talk and others click here To access user guides service man uals firm ware and other resources for a particular model click the model name Clarity visual Systems Consultants and Designers Microsoft Internet Explorer provided by Visual Syst Overview For consultants and designers the following information is available for download Technical Resources Bay Cat SN 4610 1080 Bay Cat X SN 4620 1080 Bengal SN 6010 720 Bobcat SN 4025 WX Bobcat II SN 403
89. llow the solvent to drip inside the Margay it could dissolve wiring insulation Replace with new mirror Note The replacement small mirror should have double sided adhesive tape a Before you remove the backing from the double sided adhesive tape position the small mirror over the mounting location a few times to familiarize yourself with positioning it b Remove the backing c Affix the new mirror If the mirror has any smudges or residual adhesive clean the mirror using the steps shown in Task 3 Cleaning Mirrors Lenses and Screens 124 Margay Troubleshooting Maintenance and Service Manual Replacing Screens 1 Start at the bottom row and install the screen on the center unit Make of note of which screen was which unit and install the matching screen on each unit 2 Pull the support rails all the way out 3 Hang the screen on the support pins Inside of screen frame Support pins slide into slots on inside of screen frame and lock into position up in slot 4 Push the screen in until it latches Margay Troubleshooting Maintenance and Service Manual 125 Front Access Task 2 Replacing Screens 5 Continue installing screens from the center out until you have installed the entire row 6 Move to the next row up and install a screen on the center unit 7 Repeat steps 2 through 6 until all screens have been replaced 126 Margay Troubleshooting Maintenance and Service Manual Cleaning
90. location or the bad lamp works in another location the problem may be a failed lamp ballast Swapping Lamps and Ballasts Some lamp and ballast problems defy diagnostics and require you to actually try other parts to determine the cause of failure 10 Margay Troubleshooting Maintenance and Service Manual Swapping other parts WARNING Always turn off the AC power and remove the power cord before working inside the display and before removing a lamp If you have AC and ballast or 350V power try swapping the lamp into a display where the lamp is good Display A es a Ren a cn Ret Lamp A doesn t Move Lamp A J work here here Move good Lamp B out temporarily If Lamp A works in Display B put it back in Display A Lamp A is OK If Lamp A does not work in Display B the problem is Lamp A Put a new lamp in Display A f the lamp is OK try swapping the ballast in the same way The lamp ballast provides power to the lamp It is an electronic part and all electronic parts are subject to eventual failure Fan failed All fans are sensed which means the Electronics Module knows whether they are running or not If they don t run when they should the Electronics Module turns off the lamp and prevents it from striking turning on again Swapping other parts Exchanging parts from one display to another is an effective way to find a problem If the problem follows the part to the
91. lue out of a display when looking at a white screen and you want to add blue when looking at the gray screen of this same display you should re evaluate the white screens again Optional Checking your results When checking the saturated colors you are not looking for a perfect red or green or blue You want to see if they have the same brightness x y Z aa ab Go to the Test Pattern menu and turn on the Green pattern on all displays See how they match Turn on the Red pattern on all displays and check them Finally check the displays with the Blue pattern up on all of them If the full field saturated colors do not match each other you may open the Color Balance menu for those displays and adjust that color in the White area For example if you the blue test patterns need adjustment use the Blue adjustment in the White section of the Color Balance menu Do not adjust the Grays at this time Adjusting Gray values does not affect the full field test patterns and you will just throw everything off You should only have to adjust a step or two here If things are off more than that go back to Step 1 and start over If you make any adjustment in the step above you should look at the Grays again Changing any white level affects may affect the gray level but changing the gray does not affect the white Margay Troubleshooting Maintenance and Service Manual Margay Troubleshooting Procedures ac Remember
92. n is solid color but not black 0 cee eee eee eee 20 Lamp lights but will not stay lite lt ss syd eset eetee ne eb esed eee yee sed PRESE IR RE PEE 22 Picture is visible but RR RRRRRRRR RR RR RR e e e e s 23 Pictire is HDDed s ucosbecbER P ARR ERR ienes EEEREN EA EO RAPERE S EA besa 24 Picture h s a black edge su eros tio edu Eng deno C aw eng deii piace topqs ipie doble 25 Picture has black edge a 2552 ca ek a Gees RA nd ERUREXRIS RR REA ER Gd RC AEE eR S4 das 26 Picture Tias black Bdeesuia sebo Re RRPE RE RETRGerERERRAe a EROR dese hee sees he LEGS 27 Picture has a colored CUBS ssi osx RS erent oe haus on Oe eee dn EO ER Sed d KE RS a ac ua Rs 28 Picture is too large or too small amp 552522 8s oc rahe I RI ERR EPA ECRIRE E Es oh Es 29 PICUIe 15 HOISY eoo cena i amasaban sae bx e d epus Ede e E aa ha uvae e Eau q sab se 30 Analog data Analog 1 or Analog 2 picture has horizontal streaks or noise 31 Analog data Analog 1 or Analog 2 picture has vertical streaks 00000000005 34 Analog data Analog 1 or Analog 2 picture colors are wrong ee 33 RS232 or RS485 communication doesn t work 0 0 00 eee eee eee 38 Useful commands for RS232 troubleshooting 0 0 0 cece eee ee eee 39 RS232 diagnostic troubleshooting 0 0 cece eee eee eee ees 44 Margay doesn t respond to remote control 2 2 0 cece eect teen nes 47 Margay doesn t respond to remote control co kee es eek b eens
93. nel below the Light Shield you may need to lift the Light Shield slightly and below the Electronics Module door Note Make sure the mounting tab on the DC Power Supply Panel that fits in the Electronics Module area is above the plate that holds the power switch and plug receptacles b Screw the panel down with the four mounting screws you removed earlier Remove Replace DC Power Supply Note You may choose to reverse the order of steps 1 through 4 by removing the cables from the power supply before removing the power supply from the mounting posts Margay Troubleshooting Maintenance and Service Manual 155 ssoooy JE9H Task 4 Gain Access Remove Rear Panel Task 4 3 Gain Access to interior of unit Task 4 3 5 Gain Access Remove Replace DC Power Supply Panel Task 4 3 5 1 Remove Replace DC Power Supply 1 Remove the two mounting screws Note that the front right mounting screw also secures the grounding wire Rear Access Note In this photo the DC Power Supply is turned around to make it easier to see the connectors Therefore for this photo directions are listed for both the actual orientation when in the unit and the orientation in the photo illustration a The connector on the left in the photo above the connector on the right has two separate safety latches that must be released before removing the cable 156 Margay Troubleshooting Maintenance and Service Manual Remove Replace DC P
94. nics module 75 filter air changing front service 83 rear service 147 Margay Troubleshooting Maintenance and Service Manual 175 Index flashing lights on screen amber amber 70 amber amber amber 71 amber amber red 69 amber red amber 69 red amber 62 red amber red 63 redred 66 red red amber 64 red red amber amber 67 red red amber red 65 red red red 59 red red red red 68 solid amber 72 front access electronics module door opening 111 liftlight shield 82 opening the screen 78 to 81 front access maintenance procedures 77 to 128 front access service procedures 77 to 128 fuse ac removing and replacing front service 92 rear service 151 G grounding wire location of on dc power supply 97 H hierarchy of service tasks 8 high voltage power supply panel location 89 high voltage power supply panel removing front service 89 rear service 148 high voltage power supply location of 90 high voltage power supply removing and replacing front service 92 rear service 151 hours lamp resetting 104 133 image adjustment when the motors can t move the image enough 141 intake fan power cable connector location of on high voltage power supply 93 intake fan power cable location 91 intake fan location 90 intake fan removing and replacing front service 91 rear service 149 interior of unit accessing for rear service 140 IR LED board removing and replac
95. o Remove Replace High Voltage Power Supply see Task 1 1 3 Gain Access Remove High Voltage Power Supply Panel on page 89 or Task 4 3 4 Gain Access Remove High Voltage Power Supply Panel on page 148 Back to the Margay On screen Code list Back to the Troubleshooting List on page 13 Margay Troubleshooting Maintenance and Service Manual Margay On screen Code Details and Actions to Take am E Red Red Amber Red This code means Possible cause What to do Possible cause What to do Possible cause What to do Priority 5 Optical Engine Failed Note This code is applicable only for displays with DLP engines such as Margay Electronics Module may have failed Swap Electronics Modules with another display If the problem follows the Electronics Module order a new Electronics Module Loose cables Check all cable connections to the Optical Engine Check that the HDMI cable retainers are in place at both ends of the cable Check the HDMI cable for kinks or crimps Reseat all cables See Task 1 1 6 Remove Replace Optical Engine on page 107 or Task 4 3 2 Removing the Opti cal Engine on page 143 Optical Engine may have failed Swap Optical Engines with another display If the problem follows the Optical Engine order a new Optical Engine See Task 1 1 6 Remove Replace Optical Engine on page 107 or Task 4 3 2 Removing the Optical Engine on page 143 Back to the Margay On screen Code list Back to the T
96. odes 56 automatic on screen codes 56 ballast cable location of on optical engine 108 ballast power cable location 87 ballast power cable location of connection to high voltage power supply 92 ballast sense and control cable location of 87 Ballast Status LED on electronics module 76 Ballast Supply LED on electronics module 76 ballast removing and replacing front service 84 rear servic 135 C cleaning cloth to use 127 cleaning products 127 crimped nuts on large mirror 122 D DC power cable location of connector on high voltage power supply 93 DC power supply panel removing and replacing front service 95 rear service 154 DC power supply removing and replacing front service 97 rear service 155 detailed explanations of on screen codes 58 to 72 dirt or smudges in picture 54 dirt locating on mirrors or screen 128 display does not respond to remote 47 48 51 Door Open LED on electronics module 75 dust removing 128 E electronics module door opening from front 111 electronics module LEDs 73 to 76 Ballast Status 76 Ballast Supply 76 detailed explanation 75 Door Open 75 Engine Status 76 Fan 75 Lamp 75 Lamp Saver 76 Ready 75 Remote IR 75 Serial Cmd 76 Serial Data 76 Source 75 electronics module removing frontservice 112 rearservice 161 electronics module replacing frontservice 117 rear service 167 Engine Status LED on electronics module 76 F Fan LED on electro
97. oltage Power Supply Panel Task 1 1 3 4 Remove Replace High Voltage Power Supply b The Intake Fan power cable rear right corner c The AC power supply cable front right corner d The DC power supply cable center right side 6 Install the new power supply board onto the two rear snap mount posts and insert and tighten the two mounting screws 7 Return to Task 1 1 3 Gain Access Remove High Voltage Power Supply Panel on page 89 94 Margay Troubleshooting Maintenance and Service Manual Gain Access Remove DC Power Supply Panel 1 1 4 1 Gain Access Remove DC Power Supply Panel Using the remote control turn off the lamp and allow the cooling fans to stop approximately 2 minutes before proceeding Open the screen Task 1 Opening the Screen on page 78 Power down the unit and remove the power cord for detailed instructions see Task 1 2 Gain Access Open Electronics Module Door on page 111 Lift the light shield Task 1 1 Gain Access Lift Light Shield on page 82 Remove two screws at the front edge of the DC Power Supply Panel and one screw at the rear of the panel under the light shield Open the Electronics Module door Remove the screw at the right rear corner of the panel in front of the main power switch Remove all four screws 8 Close the Electronics Module door 9 Lower the light shield and leave it barely resting on the DC Power Supply Panel 10 Open the Electronics Module
98. ooting Procedures Screen is black Possible cause What to do Possible cause What to do Possible cause What to do and no red or amber lights are flashing on the screen and no LEDs on the Electronics Module are lit and AC power switch is lit Low voltage power supply failed or not connected Check that all the connectors on the low voltage power supply are secure Swap this LV power supply with a known good one from another Margay To remove and replace the DC Power Supply from the front of the display see Task 1 1 4 Gain Access Remove DC Power Supply Panel on page 95 Task 1 1 4 1 Remove Replace DC Power Supply on page 97 If you have rear access see Task 4 3 5 Gain Access Remove Replace DC Power Supply Panel on page 154 and Task 4 3 5 1 Remove Replace DC Power Supply on page 155 Electronics module not connected to the LV power supply Check connectors on the bottom of the Electronics Module For information about Electronics Module cable connections see Task 1 2 Gain Access Open Electronics Module Door on page 111 and Task 1 2 1 Servicing the Electronics Module on page 112 To inspect cable connections from the rear see Task 5 Hemove Electronics Module on page 161 Electronics module failed Swap this Electronics Module with a known good Electronics Module from another Margay If this Margay now works but the other one doesn t the problem was the Electronics Module Order a new one To remove and replac
99. option to repair replace or credit Buyer s account with an amount equal to the price paid for any such defective Product returned by Buyer during the warranty period provided that a Buyer promptly notifies the Company in writing that such Product failed to conform furnishes an explanation of any alleged deficiency and obtains from the Company a return authorization and b the Company is satisfied that claimed deficiencies actually exist and were not caused by accident misuse neglect alteration improper installation or repair or improper testing the Company will have a reasonable time to make repairs to replace Products or to credit Buyer s account Limitations Any written warranty offered by the Company is in lieu of all other warranties express or implied The Company neither assumes nor authorizes any other person to assume any other liabilities in connection with the sales or use of any product without limitation The Company disclaims all other warranties express or implied including any warranty of merchantability or fitness for a particular purpose In no event will the Company be liable to buyer or any other party for procurement costs loss of profits loss of use or for any other incidental consequential indirect or special damages or for contribution or indemnity claims however caused the Company s liability shall be limited to actual direct damages not in excess of the amounts paid to the Company by buyer for the product Thes
100. our eye alone to judge straightness Use a tightly stretched string If you use a level the level must be long enough to touch both of the end Margays at the same time A tight string is better See the User Guide or the Installation amp Configuration Guide for discussion of how to build a wall of Margays For information about downloading additional documentation see Accessing Clarity s Customer Support Website on page 171 Back to the Troubleshooting List on page 13 Margay Troubleshooting Maintenance and Service Manual 53 Useful commands for RS232 troubleshooting Dirt or smudges in the picture Discussion It is easier to see dirt when the screen is white Use the internal white test pattern Possible cause Dirt or smudges in the image path from the image lens forward What to do If the smudge you see is out of focus and fuzzy the smudge is on one of the mirrors See Task 3 Cleaning Mirrors Lenses and Screens on page 127 What to do If the dirt is in very sharp focus it is probably on the back of the screen Back to the Troubleshooting List on page 13 54 Margay Troubleshooting Maintenance and Service Manual On Screen Codes Working with On Screen Codes The On Screen codes are red and amber lights that flash in specific patterns on the screen The pattern of flashing lights can tell you what is wrong with the display There are two ways to turn them on manually or enable them to come on automatic
101. ow f Now look for horizontal streaks in the picture on the Margay Adjust Phase until those streaks disappear If there are vertical bands in the picture it is a Frequency problem Go to page 32 Back to the Picture is visible list Back to the Troubleshooting List on page 13 Margay Troubleshooting Maintenance and Service Manual 31 Margay Troubleshooting Procedures Analog data Analog 1 or Analog 2 picture has vertical streaks Possible cause Poorly adjusted Frequency Discussion This is most easily seen in vertical lines or in text black text on white background or in anything that has fine detail and high contrast In text some of the letters will appear washed out while nearby text will appear to be bold What to do Readjust the Frequency control A checkerboard pattern will highlight the problem and make the adjustment easier to see Picture e clarity Colorspace RGB Sync Type Separate H amp V Vertical Frequency frame locked 60Hz Horizontal Frequency 50 00kHz Pixel Frequency 80 10MHz H Horizontal Resolution 1366 T Vertical Resolution 768 Frequency 1802 Phase 225 3 Sharpness Sharpest Input Levels gt a Use an ANSI checkerboard pattern 1 pixel on one pixel off from the picture source b If the source is a computer use Windows Paint program c Set Image gt Attributes to Black and white and set the resolution to the native resolution of the Margay 1280x720
102. ower Supply b The connector on the right in the photo above the connector on the left does not have a catch Since it has only one cable we recommend you detach the cable by pulling on the connector not the wire ssoooy JE9H 3 Remove the power cable at the front of the DC Power Supply 4 Remove the old DC Power Supply board by lifting it off the rear posts Removing the DC Power Supply from Removing the DC Power Supply from the snap mount posts from the front the snap mount posts from the rear 5 Remove the new DC Power Supply from its packaging 6 Reattach the cables 7 Install the new DC Power Supply board onto the two rear mounting posts and insert and tighten the four screws for the new DC Power Supply Be sure to reconnect the grounding wire to the front right corner of the power supply board and make sure that the grounding crimp is sticking away from and not touching any part of the power supply 8 Return to Task 4 3 5 Gain Access Remove Replace DC Power Supply Panel on page 154 Margay Troubleshooting Maintenance and Service Manual 157 Task 4 Gain Access Remove Rear Panel Task 4 3 Gain Access to interior of unit Task 4 3 5 Gain Access Remove Replace DC Power Supply Panel Task 4 3 5 2 Remove Replace IR LED Board 4 3 5 2 Remove Replace IR LED Board Rear Access 1 Remove the two screws securing the IR LED board IR LED Board viewed from the front IR LED Board viewed from th
103. ower cord for detailed instructions see Task 1 2 Gain Access Open Electronics Module Door on page 111 4 Lift the light shield Task 1 1 Gain Access Lift Light Shield on page 82 5 Lift out the air filter tilting it forward as you lift 6 Insert a new air filter Confirm that the airflow direction is correct that is the flow should be into the unit 7 Return to Task 1 1 Gain Access Lift Light Shield on page 82 Margay Troubleshooting Maintenance and Service Manual 83 SS929y 1Uu0JJ Front Access Task 1 Opening the Screen Task 1 1 Gain Access Lift Light Shield mi 1 1 2 Remove Replace Lamp Ballast 1 1 2 Remove Replace Lamp Ballast Note For this procedure you ll need a stubby screwdriver 1 Using the remote control turn off the lamp and allow the cooling fans to stop approximately 2 minutes before proceeding 2 Open the screen Task 1 Opening the Screen on page 78 3 Power down the unit and remove the power cord for detailed instructions see Task 1 2 Gain Access Open Electronics Module Door on page 111 4 Lift the light shield Task 1 1 Gain Access Lift Light Shield on page 82 5 Detach the red Lamp power cable 84 Margay Troubleshooting Maintenance and Service Manual Remove Replace Lamp Ballast 6 Remove the two securing screws at the top of the Ballast Margay Troubleshooting Maintenance and Service Manual 85 SS929y 1u0JJ Task 1 Opening the Screen Ta
104. pply Board AC Power Cable DC Power Cable Intake Fan Power connector connector Cable connector c The AC power in cable top right corner d The DC power supply cable center right side 2 Remove the two mounting screws on the front edge 3 Remove the old power supply board by lifting it off the rear snap mount posts Removing High Voltage Power Supply from the front Removing High Voltage Power Supply from the rear Note Be sure to leave the Nomex protective shielding in place 4 Remove the new power supply board from the packaging 152 Margay Troubleshooting Maintenance and Service Manual Remove Replace High Voltage Power Supply 5 Reconnect the four cables you disconnected earlier a The black white Ballast Power cable left side of power supply b The Intake Fan power cable bottom right corner C The AC power supply cable top right corner d The DC power supply cable center right side 6 Install the new power supply board onto the two rear snap mount posts and insert and tighten the two mounting screws 7 Return to Task 4 3 4 Gain Access Remove High Voltage Power Supply Panel on page 148 Margay Troubleshooting Maintenance and Service Manual 153 ssoooy JE9H Rear Access Task 4 Gain Access Remove Rear Panel Task 4 3 Gain Access to interior of unit Task 4 3 4 4 Remove Replace High Voltage Power Supply Task 4 3 5 Gain Access Remove Replace DC Power Supply Panel 4 3 5 Ga
105. relatively easy Back to the Troubleshooting List on page 13 22 Margay Troubleshooting Maintenance and Service Manual Margay Troubleshooting Procedures Picture is visible but itis flipped Go to page 24 It has a black edge Go to page 25 It has a colored edge Go to page 28 It is too small Go to page 29 it is too large the edges are cut off Go to page 29 It is noisy Go to page 30 it has horizontal streaks or noise Go to page 31 2 QO n 0000 o it has vertical streaks Go to page 32 the colors are wrong Go to page 33 Back to the Troubleshooting List on page 13 Margay Troubleshooting Maintenance and Service Manual 23 Margay Troubleshooting Procedures Picture is flipped Possible cause Image is flipped in Miscellaneous menu What to do Check or uncheck the Inverted Installation box It should by checked only if the Margay is installed upside down MENU gt ADVANCED OPTIONS gt MISCELLANEOUS Miscellaneous clarity Beeper Curtain Pattern Logo Auto Codes Plug and Play EDID Enable NIINI Inverted Installation Preferred Source Detection 16x9 HD Interlaced Content Motion Normal Back to the Picture is visible list Back to the Troubleshooting List on page 13 24 Margay Troubleshooting Maintenance and Service Manual Margay Troubleshooting Procedures Picture has a black edge Possible cause Pic
106. rgay Troubleshooting Maintenance and Service Manual Margay On screen Code Details and Actions to Take Possible cause Cable disconnected from the bottom of the Electronics Module What to do First try taping the interlock switch closed Then cycle AC power If this does not make the Door Open alarm disappear maybe the cable from the interlock switch is disconnected at the Elec tronics Module Partially remove the Electronics Module and re seat all the connectors on the bottom of it Caution Be sure to remove the tape from the interlock switch after you have finished testing Back to the Margay On screen Code list Back to the Troubleshooting List on page 13 Margay Troubleshooting Maintenance and Service Manual 61 Margay On screen Code Details and Actions to Take o ON Red Amber Priority 2 This code means High Voltage Power Supply Fan failed Possible cause Fan cable loose What to do Check the fan cable connection To access the fans see Task 1 1 3 Gain Access Remove High Voltage Power Supply Panel on page 89 or Task 4 3 4 Gain Access Remove High Volt age Power Supply Panel on page 148 Possible cause Fan has failed What to do Replace the fan To access the fans see Task 1 1 3 Gain Access Remove High Voltage Power Supply Panel on page 89 or Task 4 3 4 Gain Access Remove High Voltage Power Supply Panel on page 148 Back to the Margay On screen Code list Back to the Troubleshooting List on page 13
107. roubleshooting List on page 13 Margay Troubleshooting Maintenance and Service Manual 65 Margay On screen Code Details and Actions to Take This code means Possible cause What to do What to do Possible cause What to do Discussion Red Red Priority 6 Lamp failed The lamp itself failed to strike light Remove the lamp and look at it If it has loose glass inside you know it is dead Swap this lamp for another lamp known to be good such as a lamp from another Margay that is working Put the suspected bad lamp in the other Margay If the new lamp works and the old lamp doesn t work in the other Margay you can be sure it is the lamp The ballast has failed If you know the lamp is good from the test above swap the ballast with a known good ballast from another Margay that is working properly If the lamp lights the ballast was bad It is better to do your tests with a lamp or ballast from another Margay that is working than to use a new lamp or ballast out of the box Why Because there is a small chance that the new still in the box lamp or ballast is bad and will not work This is a very rare event but when you are test ing it is good to test with something that you know works Back to the Margay On screen Code list Back to the Troubleshooting List on page 13 Margay Troubleshooting Maintenance and Service Manual Margay On screen Code Details and Actions to Take ae aa Red Red
108. s lenses and screens 128 required tools 77 resetting lamp hours 104 133 RJ45 to 9 pin adapter 45 RS232 or RS485 communications doesn t work 38 S screen is black 14 16 17 18 19 screen is solid color not black 20 screen cleaning 127 screen opening for front service 78 screens do not fit together well 53 screens replacing 125 Serial Cmd LED on electronics module 76 Serial Data LED on electronics module 76 service procedures front access 77 to 128 rear access 129 to 169 small mirror removing and replacing 124 Source LED on electronics module 75 standby state indicated in diagnostic code 57 swapping parts for testing 11 new parts 11 T table of LEDs on electronic module 75 table of on screen code 57 task hierarchy explanation 8 trapezoid 122 troubleshooting curtainis on 10 dirt or smudges in picture 54 display does not respond to remote 47 48 51 general concepts and procedures 9 lamp lights but won t stay lit 22 menu not visible 9 nomenu 9 open light shield does not shut off lamp 52 open rear panel does not shut off lamp 52 picture colors are wrong 33 picture has a black edge 25 26 27 picture has a colored edge 28 picture has horizontal streaks or noise 31 picture has vertical streaks 32 picture is flipped 24 picture is noisy 30 picture too large or too small 29 red or amber lights flashing on screen 15 RS232 or RS485 communications doesn t work 38 screen is bl
109. screen The pattern of flashing lights can tell you what is wrong with the display These flashing lights are particularly helpful when the lamp won t light The On screen Code section lists the codes in a visual form You can click on any of them and go to the explanation of it See On Screen Codes on page 55 Electronics Module LEDs The LEDs section explains the meaning of each of the LEDs found on the electronics module See Electronics Module LEDs on page 73 Margay Troubleshooting Maintenance and Service Manual 7 Service and Maintenance Procedures Service and Maintenance Procedures The maintenance and service procedures are divided into two sections front service access and rear service access If your installation permits only front access the rear access procedures are not relevant for you Initially it may seem odd to group service and maintenance procedures together but many service procedures share initial steps with maintenance procedures Service Task Hierarchy All the service tasks in this manual are hierarchical For example to install or remove the Video Input Module Task 1 2 1 1 1 Installing Removing the Video Input Module you must first perform the parent tasks that contain it namely Task 1 Opening the Screen Task 1 2 Gain Access Open Electronics Module Door Task 1 2 1 Servicing the Electronics Module and Task 1 2 1 1 Remove Electronics Module Task 1 Opening the Screen Task 1 1 Gain
110. screw also secures the grounding wire i Li Note Grounding wire is attached to front right mounting screw Margay Troubleshooting Maintenance and Service Manual 97 SS929y 1u0JJ Front Access Task 1 Opening the Screen Task 1 1 Gain Access Lift Light Shield Task 1 1 4 Gain Access Remove DC Power Supply Panel Task 1 1 4 1 Remove Replace DC Power Supply 2 Remove the two cables at the rear of the DC Power Supply Note In this photo the DC Power Supply is turned around to make it easier to see the connectors Therefore for this photo directions are listed for both the actual orientation when in the unit and the orientation in the photo illustration a The connector on the left in the photo above the connector on the right has two separate safety latches that must be released before removing the cable b The connector on the right in the photo above the connector on the left does not have a catch Since it has only one cable we recommend you detach the cable by pulling on the connector not the wire 3 Remove the power cable at the front of the DC Power Supply 4 Remove the old DC Power Supply board by lifting it off the rear snap mount posts Note Be sure to leave the Nomex protective shielding in place 98 Margay Troubleshooting Maintenance and Service Manual Remove Replace IR LED Board 5 Remove the new DC Power Supply from its packaging 6 Reattach the ca
111. showing whenever there is a fault event that forces the lamp off Main Menu Advanced Options clarity clarity Picture Color Balance Lamp Settings v Size amp Position Aspect Ratio amp Wall Memory Serial Port Settings vwYvYvY Diagnostics Auto Setup Options Engine Alignment Program Information v Menu Options Message in Picture Miscellaneous clarity Beeper Curtain Pattern Logo Auto Codes Plug and Play EDID Enable LINN Inverted Installation Preferred Source Detection 16x9 HD Interlaced Content Motion Normal 56 Margay Troubleshooting Maintenance and Service Manual Reading On Screen codes Reading On Screen codes The concise table below describes the pattern of flashing lights that display when Auto Codes are enabled or when you press MONITOR on the remote You may wish to print out this page and keep it with you For a more detailed list of the On screen codes and what to do to rectify them see Margay On screen Code Details and Actions to Take on page 58 Condition Priority Each block represents 0 2 seconds Door open Power Supply Fan failed Engine Fan failed HV Power Supply failed Optical Engine Failed Lamp failed Wait On Wait lamp cooling Lamp off Auto Off Lamp off Ready See Footnote 1 Ms c MUS e ae S v E c DVD IV o ooi NI o Aa AJ OJN
112. side To prevent damage to the screens you must remove the screens in a specific manner and order Note Before you remove any screens be aware that each screen is slightly different when the screens were installed some may have had shims placed to ensure precise alignment Make note of which screen was installed on which display before you remove them so that when you replace the screens the correct screen goes on the correct display Using the remote control turn off the lamps of all units on which you need to perform service even if you are only going to remove the screen and allow the cooling fans to stop approximately 2 minutes before opening the screen SOURCE Aim the remote sui at the unit and CURTAIN press OFF to turn off the lamps SIZE POS Margay Troubleshooting Maintenance and Service Manual Opening the Screen 2 Remove a screen in the middle of a wall The general rule for opening screens in a wall is to start with an outermost topmost screen and work your way in towards the center You need at least two open sides to safely remove screens in a wall SS929y 1u0JJ For example in a 3x3 wall illustrated below the topmost outermost screen would be the top right or top left screen Thus to remove the center screen start by removing the top left corner screen first Remove the screens in this order if this is the screen to be removed To open the screen you must be aware
113. sk 1 1 Gain Access Lift Light Shield a 1 1 2 Remove Replace Lamp Ballast Front Access 7 Lift up the Ballast and tilt it toward the rear of the unit 8 Partially remove the Ballast from the enclosure 86 Margay Troubleshooting Maintenance and Service Manual Remove Replace Lamp Ballast 9 Detach the two cables leading to the ballast from the Ballast enclosure Power cable 10 Remove the old Ballast 11 Remove the new Ballast from its packaging 12 Connect the cables leading from the enclosure to the new Ballast Ballast sense and control cable Power cable Margay Troubleshooting Maintenance and Service Manual 87 SS929y 1u0JJ Front Access Task 1 Opening the Screen Task 1 1 Gain Access Lift Light Shield a 1 1 2 Remove Replace Lamp Ballast 13 Insert the Ballast flange at bottom of the Ballast into the slot of the enclosure 14 Tilt the Ballast into the enclosure 15 Insert and tighten the two screws 16 Reattach the red Lamp cable Caution Ensure that the lamp cable is fully seated Fully seated Not fully g Ww JS UM i 17 Return to Task 1 1 Gain Access Lift Light Shield on page 82 88 Margay Troubleshooting Maintenance and Service Manual Gain Access Remove High Voltage Power Supply Panel 1 1 3 Gain Access Remove High Voltage Power Supply Panel Using the remote control turn off the lamp and allow the cooling fans to stop approxim
114. sk 1 2 1 Servicing the Electronics Module Task 1 2 1 2 Replace Electronics Module 2 Carefully insert the cable end of Electronics Module into cavity to the right of the DC Power Supply Panel 3 As you push the cable end of the Electronics Module into the cavity align the Electronics Module mounting screws with the screw holes and tighten the captive screws 118 Margay Troubleshooting Maintenance and Service Manual Remove Replace Large Mirror 1 3 Remove Replace Large Mirror You ll need a 7 16 socket wrench to complete this task Note Removing a mirror is done only when you are directed to do so by Clarity Customer Support or the mirror has broken SS929y 1u0JJ Note The steps in this procedure require full access to the rear of the unit If the unit is in a tower or wall with other units on top of it those units must be removed before you can service the unit Using the remote control turn off the lamp and allow the cooling fans to stop approximately 2 minutes before proceeding Open the screen Task 1 Opening the Screen Power down the unit and remove the power cord Task 1 2 Gain Access Open Electronics Module Door on page 111 Note These steps assume you are not saving the mirror If you plan to reuse the mirror do not allow the mirror to hang unsupported when you remove any of the bolts Caution Be sure to have two people perform these steps to avoid dropping the mirror and to prevent injuries
115. ss Ouput AC Fuse F2 ed i Eae Met eee jm 5 ELA SLE eR d We suggest that you purchase a few extra fuses 6 25A 250V 3AG Slo Blo from an electronics supply store 1 1 3 4 Remove Replace High Voltage Power Supply 1 Disconnect all four cables attached to the High Voltage Power Supply a The black white Ballast Power cable left side of power supply Ballast Power Cable 92 Margay Troubleshooting Maintenance and Service Manual Remove Replace High Voltage Power Supply b The Intake Fan power cable bottom right corner SS929y 1Uu0JJ Note This illustration shows the right side of the High Voltage Power Supply Board AC Power Cable DC Power Cable Intake Fan Power connector connector Cable connector C The AC Power cable front right corner d The DC Power cable center right side 2 Remove the two mounting screws on the front edge 3 Remove the old power supply board by lifting it off the rear snap mount posts y NZ ry a Note Be sure to leave the Nomex protective shielding in place which is not shown in this photograph 4 Remove the new power supply board from the packaging 5 Reconnect the four cables you disconnected earlier a The black white Ballast Power cable left side of power supply Margay Troubleshooting Maintenance and Service Manual 93 Front Access Task 1 Opening the Screen Task 1 1 Gain Access Lift Light Shield Task 1 1 3 Gain Access Remove High V
116. st color balance the units that received new lamps to ensure a uniform image across the wall Use the procedure described in the Margay User Guide but only color balance the units with new lamps after resetting to defaults 106 Margay Troubleshooting Maintenance and Service Manual Remove Replace Optical Engine 1 1 6 Remove Replace Optical Engine Using the remote control turn off the lamp and allow the cooling fans to stop approximately 2 minutes before proceeding Open the screen Task 1 Opening the Screen on page 78 Power down the unit and remove the power cord for detailed instructions see Task 1 2 Gain Access Open Electronics Module Door on page 111 Lift the light shield Task 1 1 Gain Access Lift Light Shield on page 82 Remove the Cam Follower a Loosen the two retaining screws 4 or 5 turns and don t remove them that secure the Cam Follower Cam Follower retaining screws Cam Follower b Push the Cam Follower to the rear tilt the top to the rear and lift it off the top of the Optical Engine 6 Release the cable clamp on front side of Optical Engine to allow some slack in the cables This makes the cables easier to remove Disconnect the following cables from the following locations Margay Troubleshooting Maintenance and Service Manual 107 SS929y 1u0JJ Task 1 Opening the Screen Task 1 1 Gain Access Lift Light Shield a 1 1 6 Remove Replace Optical Engine Fron
117. t Access a On top of the Optical Engine remove the following cables Power Supply cable cable 7 in pictures below Lamp Fan cable cable 6 in pictures below Ballast cable cable 3 in pictures below sa pa h i INDEX oi LAMP FAN E ME DWD FAN S Power Supply Lamp Fan Ballast 7 6 5 4 3 2 1 108 Margay Troubleshooting Maintenance and Service Manual Remove Replace Optical Engine b Onright side of Optical Engine remove HDMI cable remove the keeper first then detach the cable don t lose the keeper Keeper latched Keeper unlatched 8 Slide the Optical Engine halfway up out of the Alignment Chassis 9 Tilt the top of the Optical Engine toward the rear and lift it up and out of the Alignment Chassis the rest of the way 10 Replace new Optical Engine in the Alignment Chassis Slide the Optical Engine Slot in front of the Optical Engine Carrier Tab Optical Engine Carrier Tab 11 Tighten the Cam Follower screws you loosened earlier 12 Reconnect the four cables you removed earlier a On top of the Optical Engine connect Power Supply cable Lamp cable Ballast cable Margay Troubleshooting Maintenance and Service Manual 109 SS929y 1u0JJ Front Access Task 1 Opening the Screen Task 1 1 Gain Access Lift Light Shield a 1 1 6 Remove Replace Optical Engine b On right side of Optical Engine connect HDMI cable and snap the keeper in place 13 Return to T
118. t every time any valid command is received Check this LED in the first Margay in the series It should light briefly B0ms whenever a command is received Possible cause Wrong baud rate Discussion The baud rate of the Margay and the baud rate of the computer or whatever is sending the RS232 commands must be the same What to do Check the current baud rate of the Margay Main Menu Advanced Options clarity clarity Picture Color Balance Size amp Position Aspect Ratio amp Wall Memory Miscellaneous Options vvv Lamp Settings VvvvVY Diagnostics Auto Setup Options vvv Engine Alignment Program Information v Menu Options Message in Picture Serial Port Settings 5 clarity Unit ID 1 ASCII Response Type Symbolic ASCII Response Terminator CR Baud Rate 19200 Terminate RS485 The baud rate in the Serial Port Settings menus must be the same as the baud rate of the computer 44 Margay Troubleshooting Maintenance and Service Manual Useful commands for RS232 troubleshooting Possible cause What to do Discussion Possible cause What to do Possible cause What to do Wrong address Check the LEDs on the Electronics Module as you send a command If the command is valid the Serial Data LED will light briefly BOms If the command was addressed to this display or a group that includes this display the Serial Cmd LED will also light MI Ready Source _
119. t ready The Electronics Module had to wait more than 10 seconds for a ready state from the High voltage supply Margay Troubleshooting Maintenance and Service Manual Front Access Maintenance and Service Procedures Introduction The procedures in this chapter are similar to those contained in Rear Access Maintenance and Service Procedures on page 129 but the actual steps and methods you ll use may be different Note Directions that refer to the right or left of the unit are for the unit itself when viewed from the front Thus after you remove the screen and stand at the front of the unit the Electronics Module power switch and plug receptacle are on the rear right side of the unit which is on your right behind the Electronics Module door If you have a part under warranty or a part can be repaired under Clarity s repair option contact Clarity Customer Service See Contact Clarity Customer Support on page 173 Required Tools 1 and 2 Phillips screwdrivers stubby 2 Phillips screwdriver 5 16 socket and ratchet handle or combination box open end wrench 7 16 socket wrench or nut driver Needle nose pliers 77 Front Access Task 1 Opening the Screen 1 Opening the Screen The method for opening the screen depends on the configuration you have Margay screens have very thin mullions and float Each screen rests on the screen below it and is compressed by the screens on either
120. the remote If the color does not go away press it again to turn Curtain off The source itself is producing the solid color The problem is not in the Margay Look at the source 5 Colorspace RGB Sync Type Separate H amp V Vertical Frequency frame locked 60Hz Horizontal Frequency 50 00kHz Pixel Frequency 80 10MHz H Horizontal Resolution 1366 H Vertical Resolution 768 Frequency C 1602 ES Phase m 222 3d Sharpness Sharpest Input Levels gt Picture clarity Back to the Troubleshooting List on page 13 Margay Troubleshooting Maintenance and Service Manual 21 Margay Troubleshooting Procedures Lamp lights but will not stay lit Possible cause The lamp can no longer maintain an arc between its electrodes What to do Replace the lamp with a known good lamp one from another Margay that works To service lamps from the front see Task 1 1 5 Remove Replace Lamp on page 102 To service lamps from the rear see Task 4 1 Remove Replace Lamp on page 131 Discussion This is a relatively easy test to make Possible cause If the lamp was good check the ballast What to do Replace the lamp ballast with a known good ballast one from another Margay that works To service the ballast from the front see Task 1 1 2 Remove Replace Lamp Ballast on page 84 To service the ballast from the rear see Task 4 2 Remove Replace Lamp Ballast on page 135 Discussion This is a little more difficult but still
121. to turn off the test pattern in all displays and close all menus If you close the Color Balance menu the test pattern will turn off 100 Bright Changes in the White value moves this end point Changes in the White values affect the Gray values Output brightness Dark Black White Input Signal Changes in the Gray values do not affect the White values Changes in the Gray value move this mid point Output brightness Input Signal Back to the Picture is visible list Back to the Troubleshooting List on page 13 Margay Troubleshooting Maintenance and Service Manual 37 Margay Troubleshooting Procedures RS232 or RS485 communication doesn t work There are many small details involved in getting an entire wall or group of units to communicate over a serial link By starting with simple commands you can ensure all these details are in place before moving on to more complex control If you are setting up a wall or group of units for the first time follow these steps for easy setup If you have problems later you can refer to the troubleshooting flowcharts starting on page page 41 and the diagnostic steps starting on page 44 as necessary Setup 1 Connect the RS 232 cable from the computer to the RS 232 in connector of one unit Connect the RS 232 out connector of that unit to the RS 232 in connector of the next unit and so on until all units are connected 2 Choose a unique combination of gro
122. ture is not positioned correctly What to do Use the Position control On the remote press SIZE POS SOURCE Picture Position e clarity CURTAIN Use arrow keys to move image SETUP SIZE POS Vertical Position 19 Picture Position 5 clarity Use arrow keys to move image Vertical Position 0 Note If both positions are at zero the image is DVI and cannot be adjusted Using the Up and Down arrow keys move the selector to Horizontal or Vertical Position Use the Left and Right arrows to move the image Did that move the black edge Yes Go to page 23 No Goto page 26 Back to the Picture is visible list on page 23 Back to the Troubleshooting List on page 13 Margay Troubleshooting Maintenance and Service Manual 25 Margay Troubleshooting Procedures Picture has black edge Possible cause Discussion What to do Main Menu Picture Size amp Position Aspect Ratio amp Wall Memory Diagnostics and Position control does not help The optical engine is not aligned properly If you move the picture toward the black edge with the Picture Position menu and the picture just disappears into the black edge this indicates that the optical engine is definitely not aligned properly The image from the optical engine is not aimed at the screen Open the Engine Alignment menu and move the engine The User Guide has a complete description of this process in the section called Adjusting
123. up and unit id for each unit and using the remote control specify it in the Serial Port Settings menu Main Menu Advanced Options clarity clarity Picture gt Color Balance gt Size amp Position gt Miscellaneous Options gt Aspect Ratio amp Wall gt Lamp Settings gt Memory gt Serial Port Settings 0000 Diagnostics b Auto Setup Options gt Advanced Options Engine Alignment gt Program Information gt Menu Options gt Message in Picture gt Serial Port Settings 5 clarity Unit ID 1 ASCII Response Type Symbolic ASCII Response Terminator CR Baud Rate 19200 3 Terminate RS485 Set the baud rate of the host computer to 19200 If this is not possible set the baud rate of each unit to match the baud rate of the host Margay Troubleshooting Maintenance and Service Manual Useful commands for RS232 troubleshooting 10 11 Open a program on the host that allows you to easily type commands Serial Talk available from our website is one such program Be sure you know how to send a carriage return character with whatever program you are using All commands to the units must end in a carriage return noted as CR in the examples below The rest of this document will use Serial Talk syntax in the examples Global command Send the command op pattern red CR Did all units in the wall put up a red test pattern a If yes go on to send individual commands b If none of the units responded
124. valid The system is adjusting to the current source automatically There is no source picture coming to the selected connector or the selected source is invalid or out of range The lamp is off The lamp is on The lamp is striking trying to start The lamp has failed to strike after repeated attempts The system will not try to light the lamp again You must cycle AC power off then on again to try the lamp again The fans are off All fans are running properly One of the fans failed but it is running again One of the fans has failed This condition prevents the lamp from lighting At this moment there is no IR infra red being received by the IR sensor IR was received by the IR sensor This LED is normally green briefly 80ms If it is continually green it means it is receiving IR radiation from something other than the remote control and it may not be able to respond to the remote control There is no power to the Electronics Module The rear panel is closed and the light shield is closed or the door switch has been bypassed in some way Either the rear panel was opened or the light shield was lifted Both are back in place now but you must cycle AC power off then on again to start the lamp Either the rear panel is open or the light shield is up Margay Troubleshooting Maintenance and Service Manual 75 Detailed Explanation of Electronics Module LEDs
125. ve the same colors It does not achieve a particular hue or shade of white When all the displays look the same for brightness and hue the wall will look uniform and viewers will focus their attention on the content Color balancing is an art you will get better at it with practice In this art you must try to separate your perception of brightness values and hue Hue is the apparent color By the way are you color blind If you are color blind even a little bit do not perform this procedure e Turn on lamps one hour prior to performing Color Balancing If you are working with a multi lamp Clarity product go to the Lamp Control menu and see that all displays have the same number of lamps on It is strongly recommended that you use all lamps even if you plan to leave some lamps off during normal operation Turn off White Boost on all displays to make Color Balancing much easier Open the Color Balance menu on all the displays J Q Set all displays to have the same settings for Gamma i Set all displays to default levels 34 Margay Troubleshooting Maintenance and Service Manual Margay Troubleshooting Procedures j Click Reset on all displays so they show 100 for the White red green and blue and 7 for the Grays Initial White adjustment for brightness k In the Test Pattern section of the Color Balance menu choose the White pattern for all displays If there is a Hide Menu item in the Color Balance menu you may
126. ved increases but the unit didn t respond it may be in a state where it cannot respond at this time or it may have invalid data Try sending the command with an individual not global address and watch the response If it sends a NAK it wasn t able to carry out the command For example you can t change the brightness unless you have a valid source It will also send a Nax if the data is out of range For example you can t set the brightness to 1000 If it sends an ERR it didn t understand the command Perhaps it is spelled wrong or you are trying a command that is not valid on this product such as an audio command on a Bobcat X Margay Troubleshooting Maintenance and Service Manual Useful commands for RS232 troubleshooting Global command to first unit Open The RS 232 Status menu on the first display Send a global command from the host Is there a 13 at the end of the decimal display second to last line of the menu Do you see your command echoed on the bottom line of the menu Send a carriage return Then resend the command with a carriage return at the end of it no Does the bytes received number increase when you send a command yes Does the baud rate of the display match the baud rate of the host noy b Check the wiring of connectors and adapters i Check the connection of the serial cable i Check that the program is using the
127. y s state To see LEDs The LEDs are on the electronics module From the rear you can see them easily that is if there aren t too many cables in the way From the front open the screen Then open the electronics module door to the right 73 To see LEDs Analog Digital tot t 1 PFC r Remote IR Door Open Serial Data Serial Cmd Lamp Saver EY v Control Power For an explanation of the different colors for each LED see Detailed Explanation of Electronics Module LEDs on page 75 Engine Status Ballast Status Ballast Supply 74 Margay Troubleshooting Maintenance and Service Manual Detailed Explanation of Electronics Module LEDs Detailed Explanation of Electronics Module LEDs LED Name Condition Meaning Ready Source Lamp Fan Remote IR Door Open Off Either the lamp is on or there is no power to the Electronics Module Check the Source LED The system is ready and the lamp is waiting for an ON command The system is in a cool down period You must wait until this period is over and the Ready LED turns green before you can turn on the lamp A system fault occurred You must cycle AC power off then on again to restore the system to a ready state There is no power to the Electronics Module Check AC input Check the power connector to the Electronics Module The selected source is present and
128. you want to use is not listed in the Clarity EDID and the video card won t list that resolution unless it is seen in the EDID what can you do A possible solution is to uncheck the Plug and Play box in the Miscellaneous menu Main Menu gt Advanced Options gt Miscellaneous Options Miscellaneous clarity Beeper Curtain Pattern Logo V Auto Codes Plug and Play EDID Enable Inverted Installation Preferred Source Detection 16x9 HD Interlaced Content Motion Normal After you have unchecked Plug and Play EDID Enabled reboot the source computer Note If you use a long line distribution system EDID may not function correctly or at all Margay Troubleshooting Maintenance and Service Manual Margay Troubleshooting Procedures Margay Troubleshooting Procedures Click on the symptom of the problem or turn to the corresponding page number 1 The screen is black Go to page 14 2 The screen is a solid color but not black Go to page 20 3 Thelamp will light but it won t stay on Go to page 22 4 The picture is visible but there is something wrong with it Go to page 23 5 RS232 or RS485 communication doesn t work Go to page 38 6 The Margay doesn t respond to the remote control Go to page 47 7 Opening the rear panel does not shut off the lamp Go to page 52 8 Opening the light shield does not shut off the lamp Go to page 52 9 The screens don t fit together well Go to page 53

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