0-11
EMP-TW1000
SEIKO EPSON Revision:C
Chapter 1 Product Specifications
1.1 Product Features ..................................................................................... 1-2
1.1.1 Feature of the projector................................................................. 1-2
1.2 Components, Connectors and Switches .................................................. 1-3
1.2.1 External Components.................................................................... 1-3
1.2.2 Internal Components..................................................................... 1-5
1.2.3 Remote Control ............................................................................. 1-6
1.3 Specifications........................................................................................... 1-7
1.4 Interface Specifications.......................................................................... 1-10
1.4.1 D terminal.................................................................................... 1-10
1.4.2 Component terminal.................................................................... 1-10
1.4.3 PC ............................................................................................... 1-11
1.4.4 HDMI ........................................................................................... 1-11
1.4.5 Video (CVBS) Interface............................................................... 1-11
1.4.6 S-Video Interface......................................................................... 1-12
1.4.7 Trigger out................................................................................... 1-12
1.4.8 RS-232C...................................................................................... 1-12
1.5 External Views ....................................................................................... 1-13
Chapter 2 Theory of Operation
2.1 Hardware Overview ................................................................................. 2-2
2.1.1 Circuit Component Connection Diagram....................................... 2-3
2.1.2 Control Circuitry............................................................................. 2-4
2.2 Optical Engine.......................................................................................... 2-5
2.2.1 Lamp Unit ...................................................................................... 2-7
2.3 MA Board ................................................................................................. 2-8
2.3.1 External View of MA Board ........................................................... 2-8
2.3.2 Overview of Operation................................................................... 2-9
2.4 Interface Connectors.............................................................................. 2-10
2.5 Power Supply Unit ................................................................................. 2-11
2.5.1 Power Supply Circuit Block Diagram........................................... 2-11
2.5.2 Overview of Operation................................................................. 2-12
2.5.3 Connector CN4000 Pin Layout.................................................... 2-13
2.6 Ballast Unit............................................................................................. 2-14
2.6.1 Power Supply Circuit Block Diagram........................................... 2-14
2.7 RC Receiver Sensor .............................................................................. 2-15
2.8 Temperature Control.............................................................................. 2-16
2.8.1 Sensors and Switches................................................................. 2-16
2.8.2 Fan Operation ............................................................................. 2-19
2.9 LED Indicators ....................................................................................... 2-22
Chapter 3 Troubleshooting
3.1 Before Carrying Out Troubleshooting ...................................................... 3-2
3.1.1 Troubleshooting Tools and Equipment.......................................... 3-2
3.1.2 Field Replacement Parts ............................................................... 3-2
3.2 Overview .................................................................................................. 3-3
3.2.1 Exterior Check............................................................................... 3-4
3.2.2 Internal Cable Check..................................................................... 3-5
3.2.3 Power Supply On/Off..................................................................... 3-6
3.2.4 Image Display and Quality ............................................................ 3-8
3.2.5 Control Panel............................................................................... 3-10