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Pace TF 2500 BGA Operation And Maintenance Manual

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TF 2500 BGA Rework Station
Operation and Maintenance Manual
Manual Number 5050-0544
Rev B

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Summary of Contents for Pace TF 2500 BGA

  • Page 1 TF 2500 BGA Rework Station Operation and Maintenance Manual Manual Number 5050-0544 Rev B...

  • Page 2: Table Of Contents

    System Operations Manual Table of Contents Packing Contents, Standard Items ........3 Specifications ..............3 Parts Identification ............4 Safety Information ............6 Features ................6 Set-Up ................7 System Connections ..........7 Start up ..............7 Inserting/ changing vacuum pick......8 Inserting/changing nozzle ........8 Set up screen features..........9 Alignment screen features ........10 Production screen features .........11 Production Mode Record Manager features ..12...

  • Page 3: Packing Contents, Standard Items

    System Operations Manual 1. Packing Contents, Standard Items Description Part Number TF 2500 8007-0430 (120V) 8007-0431 (230V) 6000-0233 Keyboard Mouse Monitor 1107-0032 Vacuum Pick 1272-0005-P1 Vacuum Pick Kit 6993-0060 Suction Cups 6993-0202-P1 Alignment Board 4018-0100-P1 Mounting Platform Stencil 1321-0725 Mounting Platform Flux Dip 1321-0735 Hot Grip Removal Pad 1100-0307...

  • Page 4: Parts Identification

    System Operations Manual TF 2500 Parts Identification Figure 1 www.paceworldwide.com Page 4 of 44...
  • Page 5 System Operations Manual A. LCD Display Monitor Displays PC Software B. Cooling Fan The component and PCB are cooled by the cooling fan, which can be set to activate automatically after the reflow cycle is complete or operated manually. C. Board Holder The board holder is fully adjustable in the X direction only.

  • Page 6: Safety Information

    System Operations Manual 3. Safety Information a. Do not contact the Heater or its peripheral parts during operation. b. Once turned off, let the unit cool completely before contacting. c. When using fluxes, use fume extraction equipment or use in a well-ventilated area to minimize operator exposure to fumes.

  • Page 7: Set-Up

    System Operations Manual ii. High resolution Dual Color Vision Overlay System (VOS) with color camera and dichroic prism. VOS does not require routine calibration, eliminating costly downtime and operator frustration. iii. Color Camera with 300x zoom capability, featuring auto-focus zoom. iv.

  • Page 8: Inserting/Changing Vacuum Pick

    System Operations Manual can be configured to use an external air/gas (N ) source. Go to the set- up page in the software to select the desired air source (internal pump or external N Warning: Do not run unit in N mode unless N supply is connected and turned on.

  • Page 9: Set Up Screen Features

    System Operations Manual e. Set up screen features. (Figure 4) xiii viii xvii xviii Figure 4 i. Set Password. Setup and profile settings can be password protected. ii. Set Language. Software text language can be changed. iii. Set temperature for Celsius or Fahrenheit. iv.

  • Page 10: Alignment Screen Features

    System Operations Manual Alignment Screen Features (Figure 5) viii Figure 5 i. Full Screen. Click on here to view image full screen. ii. Flip Image. Allows operator to flip the image horizontally or vertically. iii. Component/PCB alignment image. Proper alignment is viewed here showing the PCB pads (blue) directly under the component pads (red).

  • Page 11: Production Screen Features

    System Operations Manual g. Production Screen Features (Figure 6) viii Figure 6 i. Profile Name. Indicates currently selected profile. A new profile can be selected from a list of saved profiles by clicking on the arrow. ii. Record Manager. Temperature and time setting entered by the developer can be viewed here.

  • Page 12: Production Mode Record Manager Features

    System Operations Manual h. Production Mode Record Manager Features (Figure 6a) The record manager allows for a “record” of each individual reflow to be saved on the PC in a Portable Document Format (PDF) file format. The “Record” saves all profile information as well as a text field for the technicians comments (such as PCB or component ID #s) and a graph of the specific reflow cycle.

  • Page 13: Profile Development Screen Features

    System Operations Manual Profile Development Screen Features (Figure 7) viii Figure 7 i. Profile Name. Indicates currently selected profile. ii. Clear Selected Trials. Only 3 trails can be viewed at a time. iii. Graph. A saved graph and, if thermocouples are used, an active trace graph are viewed here.
  • Page 14 System Operations Manual ix. Pre-Heater indicator. Indicates which pre-heater is on and the current temperature. To turn on or off individual secondary preheaters click on the graphic. While individual secondary preheaters can be turned on and off, they must all be set at the same temperature. They can be adjusted by dragging the yellow lines on the graph or through the profile manager.

  • Page 15: Development Mode Profile Manager

    System Operations Manual Development Mode Profile Manager Features (Figure 7a) Figure 7a i. Profile Name. Indicates currently selected profile. ii. Profile Parameters. Temperature, time, and airflow settings entered by the developer can be viewed here. iii. Profile Instructions. Developer can leave instructions for operator such as chip position, flux, or paste instructions.
  • Page 16 System Operations Manual 3. Save – saves profile to file name showing in the profile name window 4. Save as – saves profile to new file name 5. Ref. Image – associates a reference image saved on computer with the specific profile. This can be used to identify a specific chip to be reworked to reduce operator error.

  • Page 17: Inspection Screen Features

    System Operations Manual k. Inspection Screen Features Figure 8 i. Flip Image. Allows operator to flip the image horizontally or vertically. ii. Inspection Image. The inspection image selected is viewed here. iii. Select Inspection Source. Select whether the image is from an X-Ray or alternate source.

  • Page 18: Prism Calibration

    System Operations Manual Prism Calibration – This step is required to ensure the prism is properly aligned so when the software shows the PCB and component visually aligned, they are actually physically aligned. i. Select setup screen. (Figure 9) Prism Calibration Figure 9 ii.
  • Page 19 System Operations Manual v. Align PCB so red laser sighting light is roughly centered on BGA. (Figure 11) vi. Mouse click on green button, “Pickup.” The reflow head will move down and pick up the component from the alignment PCB. vii.

  • Page 20: Operation

    System Operations Manual 2. Loosening the bottom screws (B) and tightening the top screws (A) adjusts the prism up. 3. Loosening the right center screw (C) allows you to rotate the prism around the y-axis. 4. Adjust the light adjustment knobs and tighten the setscrews Light Adjustment Knobs...
  • Page 21 System Operations Manual Retention Screw Release Handle Figure 16 Position the board so the red laser sighting light is roughly in the center of the placement site. To move the board forward and back simply move the PCB in the arms. To move the assembly left and right push the release handle away from you and move the assembly.
  • Page 22 System Operations Manual Component Figure 17a Mouse click on the green button. TF 2500 will pick up component. Remove component mount from the top of the camera housing or slide it back out of the way. xii. If Flux Dip option was selected, remove the component nest and replace a prepared flux dipping tray onto the fixture.

  • Page 23: Component Removal

    System Operations Manual Theta Adjustment “X” Adjustment, Left and Right “Y” Adjustment, Forward and Back Figure 18 Mouse click on the green button, “Place” to lower the component. (Figure 19) Nozzle on board ready to start heating Figure 19 xvi. Mouse click on the green button again, “Start.”...

  • Page 24: Profile Development Installation Procedure

    System Operations Manual Figure 20 iii. Mouse click on Start Removal Process button and the camera housing will extend so you can align the component in the video window. iv. Click “Align component” when completed. The screen will change back to the graph page.
  • Page 25 System Operations Manual package in the case of a BGA or along side in the case of other SMD’s. When sliding a thermo couple under a component, it is critical that the thermocouple be in contact with the solder. Method 2 is the most commonly used. Information from the thermocouples will assist in determining the proper time and temperature parameters.

  • Page 26: Temperature, Time, And Airflow Control

    The work surface and housing should be cleaned periodically with a soft damp cloth. d. The camera glass window should be cleaned periodically with glass cleaner and a soft cloth. e. Maintenance beyond this should only be completed by a qualified PACE service technician. www.paceworldwide.com Page 26 of 44...

  • Page 27: Heater Replacement

    System Operations Manual Heater Replacement It is recommended you return the machine to PACE, Inc. or call a PACE representative to replace the heater element. CAUTION: REMOVE POWER CORD FROM MACHINE. Removal Procedure 1. Remove the nozzle and vacuum pick.
  • Page 28 System Operations Manual 5. Remove the heater cover screws, 2 on each side. Requires 3/32” hex wrench Figure 25 6. In order to remove the heater cover, the fan wire and ty- wrap will need to be disconnected. First, cut the ties as shown here.
  • Page 29 System Operations Manual 7. Now you can disconnect the cooling fan cables, 1 on each side. Once these two cables have been disconnected you can remove the cover. Figure 27 8. Disconnect the main heater wiring on the left side of the heater assembly. Figure 28 9.
  • Page 30 System Operations Manual 10. Remove the pick solenoid sensor on the left side of the heater assembly. Requires 3/32” hex wrench Figure 30 11. Remove the ground wire that is located on the left side of the heater assembly. Requires 3/32” hex wrench Figure 32 Figure 31...
  • Page 31 System Operations Manual 13. Disconnect the hose on the right of the heater assembly. Figure 34 14. Open the rear door (requires 4mm hex wrench) and disconnect the sensor flag as shown. The indicated ty-wrap must be cut. Cut ty-wrap Requires 3/32”...
  • Page 32 System Operations Manual 16. From the back, pull the remaining disconnected wires through the heater mounting plate. Figure 37 17. Remove the 16 hex socket head screws holding the heater assembly to the rails. Be sure to hold the assembly or it will fall when the last screw is removed. Requires 3mm hex wrench Figure 38...
  • Page 33 System Operations Manual 18. Carefully remove the heater assembly from the rails. Guide the vacuum line and tubing through the mounting plate. Figure 39 Installation 1. Carefully install the new heater assembly on the rails. Guide the vacuum line and tubing through the mounting plate.
  • Page 34 System Operations Manual 3. Install the 16 hex socket head screws holding the heater assembly to the rails. Continue holding the heater assembly until several of the screws are installed. Do not completely tighten any of the screws until all screws have been installed. Figure 41 4.
  • Page 35 System Operations Manual 6. Reconnect the vacuum line support bracket. Install a new ty-wrap. Figure 44 7. Reconnect the hose on the right of the heater assembly. Figure 45 8. Reconnect the hose on the top of the heater assembly. Figure 46 9.
  • Page 36 System Operations Manual 10. Reinstall the pick solenoid sensor on the left side of the heater assembly. Figure 48 11. Reconnect the pick solenoid wiring on the left side of the heater assembly. Figure 49 12. Reconnect the main heater wiring on the left side of the heater assembly.
  • Page 37 System Operations Manual 14. Put the heater cover back on making sure not to pinch hoses or wires. Reinstall the four screws. Figure 52 16. Remove the metal retainers from the lower rail assemblies. Figure 53 17. Remove the installed hex head screw in the rails to avoid the accidental removal of the reflow head assembly.

  • Page 38: Adjustments And Alignments

    System Operations Manual 19. Reinstall the nozzle and vacuum pick. 20. Test the heater. Adjustments and Alignments 1. Platform planarity. This procedure is only necessary if the vacuum pick does not pick up the component. a. Insert the large vacuum pick. b.
  • Page 39 System Operations Manual With the camera pulled out, loosen the two screws on the top right of the camera. Figure 57 iii. Reposition the camera until the front and back edges are centered in the viewing window and tighten the screws. g.
  • Page 40 System Operations Manual iii. In the back, loosen the hex socket head screw in the center on the back of the camera housing. Figure 59 iv. Rotate the camera until the left and right sides of the nozzle are centered between the sides of the viewing area.
  • Page 41 System Operations Manual 4. Component Nest Platform alignment. This adjustment is to align the nest to the nozzle. a. Loosen the 2 hex socket head screws on the left adjustment arm, the 1 hex socket head screw on the mechanical stop, and the positioning wheel nut (located underneath the base plate).

  • Page 42: Regulation

    Figure 61 Regulation a. This product is CE approved. b. PACE products meet or exceed all applicable military and civilian EOS/ESD, temperature stability and other specifications, including ANSI-J-STD-001, IPC- 7711, IPC-7721 and IPC-A-610. www.paceworldwide.com Page 42 of 44...

  • Page 43: Service And Warranty

    Warranty service may be obtained by contacting the appropriate PACE Company or local Authorized PACE distributor as set forth below to determine if return any item is required or, if repairs can be made, by the user in the field.
  • Page 44 (44) 1908-277666 Fax: (301) 498-3252 (44) 1908-277777 PACE Incorporated retains the right to make changes to specifications contained herein at any time, without notice. Contact your local authorized PACE Distributor or PACE Incorporated to obtain the latest specifications. The following are trademarks and/or service marks of PACE, Incorporated, MD, USA: ™...

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