Tuesday, April 23, 2013

MITSUBISHI - WD-52627 - WD- 52628 - WD- 62627 - WD- 62628 -WD- 62827 - WD- 62927 - HOW TO REPLACE OPTICAL ENGINE


OPTICAL ENGINE REPLACEMENT
52” & 62” Models OPTICAL ENGINE REPLACEMENT
Pull engine from base and remove all the listed parts on this page and transfer them to new engine. Then transfer EEPROM data and realign mechanical.
  • LAMP DUCT ENGINE-PWR-PWB
  • LENS CUSHION -- BALLAST PLATE
  • ENGINE PLATE -- INTERFACE PWB
  • BOTTOM PLATE -- LAMP CARTRIDGE
  • LAMP FAN -- GROUND STRAPS
VIEW FROM FRONT
VIEW FROM BACK
DETAILS
  • Remove 3 screws
  • Remove mounting screw.
  • Disconnect JA, JF, Lt connectors
  • Disconnect JC and CD connectors
  • Remove DVI cable and disconnect JE and  DT connectors. Remove Ground Straps.
  • Remove wire tie near support post.
  • Remove (3) screws from Interface PWB
  • Remove CJ3 connector from Interface PWB
  • Remove (2) screws from Side Lock
  • Route wiring so that it does not snag on support post.
  • Disconnect PA1 and J3 connectors and remove Engine-PWR-PWB
  • Pull Optical Engine from cabinet. (Note: Slight twisting motion may be required)
  • Remove (3) screws from Lamp Duct
  • Remove (2) screws from Lamp Cartridge - and remove Lamp Cartridge
  • Remove (4) screws from Ballast Plate
  • Remove Bottom Plate from Engine Plate.  Remove (5) screws C - B - A (in that order)
  • Remove Screws “C” under the Bottom Plate.
  • Remove Screws “B” from the rear of the Engine.
  • Remove Screws “A” from the top of the Engine.
  • Be sure not to misplace spring
  • Remove (1) screw from plate (A), (4) screws from fan (B), (2) screws from side lock (C)and (2) grounding strap screws (D)
  • Transfer LENS COVER from service part to defective part.
REASSEMBLY
  • Attach LENS CUSHION BASE to Engine.
  • Follow above steps in reverse order.
  • TIP: Lift and group wiring on left side of engine when installing.
Data:Index Delay Data needs to be transferred from Engine to E2P PWB:
 MENU + 2457 + 0   Select -> COPY LIGHT ENGINE EEPROM TO DM PRESS ENTER.