Faceplate & Electronics Replacement

Tools and Materials Needed

  1. 107 TLC Mk3 Faceplate with Electronics (#113027)
  2. Phillips or Robertson Screwdriver
  3. Wire Cutters
  4. Pliers

solinst 107 tlc meter mk3 faceplate with electronics

Model 107 TLC Mk3 Faceplate with Electronics

Instructions

  1. Place the reel on a flat workbench with the faceplate up. Make sure the TLC Meter is turned off. Remove the battery.
  2. Undo the three screws from the faceplate, and slowly remove it from the reel.
  3. If this is an Mk2 TLC Meter, disconnect the Molex connector that connects the circuit board to the tape. If this is an Mk3 TLC Meter, press down on the white terminals of the pushrelease fittings on the circuit board and pull out to remove the tape leads.
  4. solinst 107 tlc meter back of faceplate view mk2 model

    Back of the Model 107 TLC Mk2 Faceplate

     

    solinst 107 tlc meter back of faceplate view mk3model

    Back of the Model 107 TLC Mk3 Faceplate

     

  5. Connect the tape to the new faceplate circuit board assembly:
    • If this is a Mk3 TLC Meter, press down on the white terminals on the circuit board and insert the tape leads. Release the terminals and the leads should be secured. The lead on the bottom of the tape (numbers facing up) is inserted into the terminal labelled BOT on the circuit board, and the top lead into the terminal labelled TOP.
    • If this is an Mk2 TLC Meter, with a Molex connector on the tape leads, remove the Molex connector by pushing out the two pins. Cut each pin in half (see image below for correct location). Use pliers to flatten the remainder of the pins against the tape lead, so it fits easily into the terminals on the circuit board. Connect each tape lead to the new circuit board assembly, as described above in step a.
  6. solinst flat tape molex connector mk2 version

    Remove the Pins from the Tape Molex Connector (Mk2)

     

    solinst flat tape leads

    Cut the Pins on Each Tape Lead in Half (as shown)

     

    image shows pressing down on white terminals for solinst 107 tlc meter circuit board

    Press Down on the White Terminals on the Circuit Board and Insert the Tape Leads

     

    release the white terminals of the 107 tlc meter and the leads of the solinst flat tape shoudl be secure

    Release the White Terminals and the Leads Should be Secured

     

  7. Replace the battery in the TLC Meter.
  8. With the Probe in a glass of tap water, turn the TLC Meter 'ON'. If the buzzer or light do not activate, or the LCD does not show temperature or conductivity, check the connections.
  9. Secure the new faceplate to the reel with the three screws.