4-5
EMP-TW1000
SEIKO EPSON Revision:A
Points to Note When Working
Detailed points to note are given in each section, so be sure to read each section thoroughly
before beginning the disassembly procedure. Below are several general points which should be
noted.
• When the projector is disassembled, the dust in and around parts such as the fans and air
filter may get transferred to other parts such as the R, G and B light valves which are the
central part of the display mechanism. This may have an adverse effect on the quality of
projected images. Accordingly, check whether any of the parts are dusty or dirty, and use a
vacuum cleaner to clean them first before carrying out disassembly work.
• The Optical Engine and the circuit boards are very sensitive to static electricity. Place them
inside static-proof bags once they have been removed from the projector.
• When carrying out any of the following operations, check that there is no dust or dirt on the
respective components or on any lens and glass surfaces before installation. If any such
contamination is found, clean it off using isopropyl alcohol.
• Optical engine removal
• Lamp inner unit removal
• Air filter removal
• The speaker unit contains a permanent magnet, so keep it away from any storage media
such as floppy disks and magnetic cards.
• The Optical Engine is very sensitive to vibration and shocks, so handle it with care.
• Do not disassemble any components (such as the power supply unit) which do not have
express disassembly procedures described in this Service Manual.