Saturday, June 29, 2013

MITSUBISHI LASERVUE - HOW TO REMOVE LIGHT SOURCE ASSEMBLY & INSTALLATION


LIGHT SOURCE ASSEMBLY REMOVAL
  1. Prior to removing the Light Source Assembly, AC power must be removed. AC power must not be re-applied until all covers are replaced back into their original position, all screws are in place.
  2. The Fiber Optic Cable is sensitive to excessive pulling, bending and crushing forces. Do not bend cable more sharply than a bend radius of 100mm (4 inches). Do not pull on the cable. Do not crush the cable or allow it to kink. Do not allow the end of the fiber optic cable to make contact with any surface including fingers.
  • Remove the Electrical Chassis. [Described one among the previous posts here]]
  • Loosen the Tape used to secure the Fiber Optic Cable to the back wall.
  • Disconnect all electrical connectors from the bottom of the Light Source Assembly.
  • Remove 6 screws (a).
  • Note: the Hinges at the lower left and right side will now hold The Light Source Assembly.
  • Holding the Light Source Assembly with both hands at the bottom, pull the entire Light Source straight back slightly within the Hinge slots.
  • Carefully tilt back the Light Source Assembly from the top and secure in place using the support arms.
  • Disconnect the four 8mm Fiber Optic Cable Connectors from the Light Source Assembly. Caution: Never loosen or tighten the chuck nuts used to attach the cable to the connectors.
  • After disconnecting the Fiber Optic Cable, temporarily secure it to the back wall to prevent damage.
  • Use the End Caps and Special Yellow Tape supplied with the replacement Light Source or Optical Engine to cover and protect the ends of the Fiber Optic Cables and Laser Modules until reassembly.
  • To remove the Light Source Assembly, tilt it back up and store the support arms. Then while supporting the assembly, remove the eight screws (a) and lift the assembly out.

Light Source Assembly Installation
  • To install the Light Source Assembly, reverse the removal procedure.
  • Use an 8mm open end torque wrench to tighten the Fiber Optic Cable Connectors to 0.2N • m (+/- 3%).  NOTE: When a Light Source Assembly or Light Engine is ordered, an 8mm open end torque wrench will be supplied on loan from the Parts Department.
  • Prior to applying AC power re-assemble the set.
If the Light Source Assembly has been replaced, perform the following data transfer procedures: Reset SENSOR-RGB Data.
  1. Plug in the TV and allow it to boot-up, but do not turn it On (Standby condition).
  2. On the front panel, press and hold the <MENU> and <CHANNEL S> buttons at the same time about 5 seconds until the STATUS LED lights green for 3 seconds.
  • Memorize SENSOR-RGB
  1. Turn the TV on and allow it to warm up for 5 minutes.
  2. Press the <MENU> button on the remote control. The Customer Menu will appear.
  3. Press the <2-4-5-7> buttons. The Service Menu will appear.
  4. Press the <0> button. The Data Selection Menu will appear.
  5. Use the <TS> buttons to select “MEMORIZE SENSOR-RGB” and press <ENTER>. A green square will appear in the on screen display indicating the memorization process was successful. If a red square appears, repeat the Reset SENSOR-RGB Data and Memorize SENSOR-RGB Data procedures.
  6. Press <EXIT> to quit.