Removing The Engine/Boards; Removing The Optical Engine And Mab (1) (Ma Board Assy.) - Epson EMP-1825 Service Manual

EMP-1825/EMP-1815/EMP-1810

4.4 Removing the Engine/Boards

4.4.1 Removing the Optical Engine and MAB (1) (MA Board Assy.)

1. Unlock the connectors of the Light Valve R/G/B connection cables.
Light Valve R
C A U T I O N When connecting the R/G/B Light Valve cables, be sure to insert the R/G/B Light
Valve cables securely into the connectors to the end. If there is a loose connection
(a half-way/slant connection), it may cause short-circuiting, or malfunction, and
which may result in damage to or overheating of the ICs on the cables.
Be sure to lock the connectors when reassembling.
2. Disconnect the R/G/B Light Valve cables and the 13 connector cables that are connected to
the MA Board from the board.
(EMP- 1810 only)
CN500
CN1301
CN1302
SEIKO EPSON
Light Valve B
Light Valve G
Figure 4-19.
CN1303
CN1203
Light Valves
Figure 4-20.
4-20
Locked
Unlocked
CN1202
CN2200
CN1305
CN1204
CN1201
(EMP-1825/1815 only)
CN1307
CN1205
CONFIDENTIAL
CN2400
CN1306
CN1300
CN1304
CN502
Revision:C