284 VSC90 SERVICE MANUAL ABLE OF ONTENTS ......................4 ARNINGS ......................5 ..........5 YSTEM CCESS OMPONENT DENTIFICATION 3.1. Removal of Top Electronics Cover ...................5 3.2. Removal of Rear Cover ......................7 3.3. Removal of Document Tray Assembly ..................8 3.4. Separation of Translight Tray from Document Plate ..............9 3.5.
284 VSC90 SERVICE MANUAL 1. W ARNINGS WARNING: While working on this equipment, wear adequate protective clothing, eye and hand protection. Use safe lifting procedures. Failure to comply with the service and user manuals will void the warranty. Hazardous high voltages - Unplug the mains power lead prior to servicing or removing any covers.
284 VSC90 SERVICE MANUAL 2. T Here follows a list, not exhaustive, of the tools required to carry out the following inspection and servicing tasks. T6 Torx Screwdriver T8 Torx Screwdriver T10 Torx Screwdriver 5.5mm Hex Nut Driver 3. S...
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284 VSC90 SERVICE MANUAL Fig. 2 2x (T10 Torx) screws from rear of top cover Fig. 3 2x (T10 Torx) screws from inside front flap...
284 VSC90 SERVICE MANUAL 3.2. R EMOVAL OF OVER Remove screws shown below to access OVD PCB, UV Driver PCB and cables. NB. If unit is fitted with internal PC, remove screws that are highlighted in orange as well. Fig. 4 10x (T10 Torx) screws from back panel.
284 VSC90 SERVICE MANUAL 3.3. R EMOVAL OCUMENT SSEMBLY Fig. 6 Ensure Transit Screw has been loosened at the rear of the unit. This is captive. Pull tray towards you from under this edge Fig. 7 Ensure side lights are in their highest position and pull Document Tray towards you from under the lowest front bend.
284 VSC90 SERVICE MANUAL 3.4. S EPARATION RANSLIGHT RAY FROM OCUMENT LATE Remove the Document Tray from the unit (See previous section). Remove the screws & nuts that secure the Document Plate to the Translight Tray. Fig. 8 6x (T10 Torx) screws with nyloc nuts on opposite side Fig.
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284 VSC90 SERVICE MANUAL With all relevant screws removed, the front sections & the document plate can be separated from the Translight which allows access to the Translight PCB, RFID PCB & Controller & Trans Backplane PCB Fig. 10 - Translight Tray...
284 VSC90 SERVICE MANUAL 3.5. C OMPONENT DENTIFICATION -assemblies. Fig. 11 View shows inside of unit with Top Cover removed 1. Main Control PCB 2. Internal PC (if fitted) 3. Camera-Filter Assembly 3a. Camera 3b. Close up Lens Motor 3c. Filter Wheel Motor & Pulley 3d.
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284 VSC90 SERVICE MANUAL Fig. 12 View with back panel removed 1. OVD Main PCB 2. UV Driver PCB 3. Rear Flap 4. PC Fan (if fitted) Document Tray Removed Fig. 13 Internal View with 1. Rear OVD Aperture Face 2.
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284 VSC90 SERVICE MANUAL Fig. 14 View of Lamp Tray from inside the unit 1. UV PCBs (x2) (PCBs accessible by removing sheet metal cover) 2. Flood PCBs (x2) (PCBs accessible by removing sheet metal cover) 3. Coaxial Mirror & Motor 4.
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284 VSC90 SERVICE MANUAL Fig. 15 Top of Document Tray 1. Document Plate 2. Document Front Plate 3. Translight Glass (Fixed into Document Plate) Fig. 15 Bottom of Document Tray 1. Translight Tray 2. Document Tray Retaining Pins (x4) 3. Document Tray Guide Pins (x2)
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284 VSC90 SERVICE MANUAL Fig. 16 Inside view of Translight Tray. 1. Main Trans-Light PCB 2. Trans-Light Centre Spot PCB 3. Backplane Trans-Light PCB 4. RFID Control Board 5. RFID PCB 6. Front Flap Safety Switch...
284 VSC90 SERVICE MANUAL 4. PCB UMBERS ESCRIPTIONS PCB Description PCB Part Number MAIN OVD ARRAY 284-021-AS FRONT OVD ARRAY 284-028-AS MAIN CONTROL 278-022-AS FLOOD ARRAY 260-022-AS POWER BUTTON ADAPTOR 278-024-AS UV LED ARRAY 284-025-AS UV LED DRIVER 284-030-AS MAIN TRANS-LIGHT ARRAY...
284 VSC90 SERVICE MANUAL 6. S ERVICEABLE OMPONENTS Before removing any panels or covers, ensure power to the VSC90 unit has been disconnected. 6.1. R EPLACING AMERA Remove the Top Cover. Disconnect the interface cable located at the top of the camera.
284 VSC90 SERVICE MANUAL 6.2. R EPLACING ONTROL Remove top cover. Disconnect all cables to PCB and remove 6x screws as shown below. Disconnect the interface cable located at the top of the camera. NB. Care must be taken cable is fragile.
284 VSC90 SERVICE MANUAL 6.4. R EPLACING AMERA ILTER HEEL SSEMBLY This sub-assembly will require removal if the close-up lens, filter wheel or motors individually need replacing. Remove the Top Cover. Disconnect all relevant cables. Remove the four flange nuts that secure the Camera-Filter assembly as shown.
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284 VSC90 SERVICE MANUAL Fig. 21 Camera-Filter Assembly removed. Camera Filter Wheel Filter Wheel Motor Pulley Close up Lens Motor Mounting Plate Dust Cover Close-up lens assembly Filter Wheel Assembly Filter Wheel Shaft Fig. 22 Camera-Filter Assembly parts exploded.
284 VSC90 SERVICE MANUAL 6.5. R PC A EPLACING THE NTERNAL SSEMBLY F FITTED Remove the Top Cover and Rear Panel. Identify the PC unit assembly from the system components section and disconnect all cables. Ensure that the fan power connector is disconnected (see Fig.24). Remove the lower flange nut &...
284 VSC90 SERVICE MANUAL 6.7. R EPLACING TOKES SSEMBLY Method 1 Remove the Anti-Stokes PCB only. Gain easy access to the under-side of the Lamp-Tray by removing the Translight Tray. Disconnect the power cable from the Anti-Stokes PCB. Remove the four screws that secure the PCB to the Anti-Stokes Heat Sink block.
284 VSC90 SERVICE MANUAL 6.8. R EPLACING TOKES RIVER Remove top cover. Disconnect both cables to PCB and remove four screws as shown below. Fig. 26 4x (T10 Torx) Anti-Stokes Driver PCB retaining screws.
284 VSC90 SERVICE MANUAL 6.7.R OVD PCB EPLACING Remove rear cover. Disconnect all cables to PCB and remove nuts as shown below. NB. Both Main & Lower PCBs have spacers behind them. If they are removed, ensure they refitted prior to PCB re-assembly.
284 VSC90 SERVICE MANUAL 6.9.R UV PCB & F EPLACING LOOD WARNING: Ensure power has been disconnect, UV radiation! Gain easy access to the under-side of the Lamp-Tray by removing the Translight Tray. Locate the three nuts that secure each PCB Cover to each of the UV PCB & Flood PCB array.
284 VSC90 SERVICE MANUAL 6.10. EPLACING IGHT RRAY Raise the front flap and locate the Spotlight sub-assembly. Remove the screws shown below to remove spotlight sub- assembly. Once loose, disconnect the ribbon cable and replace. Fig. 30 2x (T6 Torx) spotlight array retaining screws.
284 VSC90 SERVICE MANUAL 6.11. EPLACING RANSLIGHT RFID PCB: Raise the front flap and remove Document Tray. Remove the Translight Tray as shown in Section 3.4. You can now gain access to the PCBs contained within. The RFID is secured to the Translight Tray on 4 stands via push-in plastic rivets. These rivots can be removed by pressing them up from underneath &...
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284 VSC90 SERVICE MANUAL Translight PCB & Spot PCB: Raise the front flap and remove Document Tray. Remove the Translight Tray as shown in Section 3.4. You can now gain access to the Main Translight PCB & the Centre Spot Translight PCB. NB. To gain easier access to the outer fixings on the Translight PCB the RFID Antenna can be removed.
284 VSC90 SERVICE MANUAL 6.12. PCB - T EPLACING ACKPLANE RANSLIGHT Raise front flap and remove document tray. Remove the Translight Tray as shown in Section 3.4. Disconnect cables & remove the three nuts that secure Document Tray Backplane PCB to Trans-Light Cover Assembly. When securing new PCB ensure it is centrally located.
284 VSC90 SERVICE MANUAL 7. L ABEL NDENTIFCATION Main Serial Label The Main Serial Label is located on the rear of the unit, fixed in the lower right corner. Fig. 35 Main Serial Label Risk Group Label The Risk Group Label is located on the rear of the unit, fixed in the lower left corner.
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284 VSC90 SERVICE MANUAL RFID FCC ID Label The RFID FCC ID Information label is found on the rear of the removable Trans-light tray. Fig. 38a Rear of Translight Tray show location of FCC ID Label Fig. 38b RFID FCC ID Label...
284 VSC90 SERVICE MANUAL 8. F ITTING PTIONAL CCESSORIES ODIFICATIONS Power leads must only be replaced with approved leads that have equal or better rating. 9. T ROUBLESHOOTING 8.1.P REREQUISITES 8.2.U PDATE YPES 8.3.I MPORTANT OTES 8.4.C HECKING URRENT IRMWARE ERSION 8.5.H...
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