Service manual

3-1
3.1 DISASSEMBLY AND ASSEMBLY PROCEDURES
This section explains how to disassemble the ELP-3500. The assembly procedure is the
exact reverse of the disassembly procedure.
Preparation
1. Remove any rings, wrist watch, cuff links, or other metal accessories likely to come
into contact with the equipment.
2. Wear gloves.
3. Wear a wrist band and ground it. Place a ground mat under the unit.
4. Turn off the main unit and the host computer.
5. Unplug the power cord from the main unit and service outlet.
6. Disconnect the interface cable from the main unit.
7. Clean the air filter, interface, and case cover with a vacuum cleaner.
Required Tools and Accessories
Prepare the tools and accessories listed in the table below.
Table 3-1. Required Tools
Name Quantity Supplier Use
Phillips screwdriver 2 1 Commercial Dissasembly of the case and interior
Flat blade (–)
screwdriver
1 Commercial Removal of power connnector for light
Tweezers 1 Commercial To unlock the FPC connector on the driver
board
Phillips screwdriver 1 1 Commercial Removal of the optical unit
Open wrench
(8 mm)
1 Commercial Removal of the foot adjuster
Set wrench
(1.27 mm)
1 EPSON Focus alignment (optical unit)
Brush 1 Commercial To brush off the dust around fan
Vacuum cleaner 1 Commercial To clean the optical unit and filter
Paper wiper Some Commercial To clean the projector lens
Air blower 1 Commercial To clean the optical unit
Glove 1 Commercial To avoid cuts
Wrist band, ground
map
1 Commercial To avoid electrostatic effects