Table Of Contents - Epson EMP-1825 Service Manual

EMP-1825/EMP-1815/EMP-1810
1.1 Product Features ..................................................................................... 1-2
1.1.1 Features of the Projector............................................................... 1-2
1.2 Specifications........................................................................................... 1-3
1.3 External Views ......................................................................................... 1-4
1.4 Dimensions for Ceiling Mount .................................................................. 1-6
2.1 Internal Components................................................................................ 2-2
2.2 Hardware Overview ................................................................................. 2-3
2.2.1 Electrical Circuit Components ....................................................... 2-4
2.2.2 Optical Engine ............................................................................... 2-6
2.3 Temperature Control................................................................................ 2-7
2.3.1 Sensors and Switches................................................................... 2-7
3.1 Before Carrying Out Troubleshooting ...................................................... 3-2
3.1.1 Troubleshooting Tools and Equipment.......................................... 3-2
3.2 Basic Information on Troubleshooting ..................................................... 3-3
3.2.1 LED Indicators............................................................................... 3-3
3.2.2 Cable Connection and Projector's Status...................................... 3-6
3.3 Troubleshooting ....................................................................................... 3-9
3.3.1 Basic Checking Flowchart ............................................................. 3-9
3.3.2 Abnormality Check ...................................................................... 3-10
3.3.3 Exterior Check............................................................................. 3-11
3.3.4 Connection Check ....................................................................... 3-12
3.3.5 Power ON/OFF & Initialization Check ......................................... 3-14
3.3.6 Image Display & Quality Check................................................... 3-15
3.3.7 Audio I/O's Check........................................................................ 3-17
3.3.8 Lens Shutter's Operation Check ................................................. 3-18
3.3.9 Control Panel's Operation Check ................................................ 3-19
3.3.10 RC & Projector's Operation Check.............................................. 3-20
3.3.11 Wireless/Wired LAN's Operation Check (EMP-1825/1815 only). 3-21
4.1 Overview .................................................................................................. 4-2
4.1.1 Precautions ................................................................................... 4-2
4.1.2 Precautions which must be taken when servicing......................... 4-3
4.1.3 Safety precautions......................................................................... 4-3
4.1.4 Tools and Equipment .................................................................... 4-4
4.1.5 Precautions for Optical Engine and Main (MA) Board................... 4-5
4.2 Projector Disassembly and Assembly...................................................... 4-6
4.3 Removing Exterior Parts/Components................................................... 4-10
4.3.1 Removing the AS Lamp Unit ....................................................... 4-10
4.3.2 Removing the Air Filter Assy. ...................................................... 4-11
4.3.3 Removing the Front Foot Unit/Rear Foot/Rubber Foot ............... 4-12
4.3.4 Removing the IF-IM Case/Upper Case Unit AJ........................... 4-13
SEIKO EPSON
Chapter 1 Product Specifications
Chapter 2 Theory of Operation
Chapter 3 Troubleshooting
Chapter 4 Disassembly/Assembly
0-7
CONFIDENTIAL
Revision:C