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.