2-8
EMP-S4
SEIKO EPSON
Revision:B
2.3 MA Board
The MA board processes the core circuit controls for the projector, including interface control,
operation panel control, temperature sensor circuit and fan control, ballast power supply
control and the Infrared RC board interface.
The MA board also contains an imaging processor (PW465), EEPROM, digitizers (ADC and
video decoder), and SRAM memory.
2.3.1 External View of MA Board
Figure 2-8. MA Board Top
Figure 2-9. MA Board Bottom
* The MA Board and the Optical Engine must always be replaced together.
Содержание EMP-S4
Страница 1: ...Service Manual Data Projector EMP S4 ...
Страница 13: ...Chapter 1 Product Specifications ...
Страница 25: ...1 13 EMP S4 SEIKO EPSON Revision B 1 5 External Views Figure 1 8 External Dimensions Unit mm ...
Страница 26: ...1 14 EMP S4 SEIKO EPSON Revision B Figure 1 9 External Dimensions Unit Inch ...
Страница 27: ...Chapter 2 Theory of Operation ...
Страница 49: ...Chapter 3 Troubleshooting ...
Страница 63: ...Chapter 4 Disassembly Assembly ...
Страница 97: ...Chapter 5 Appendix ...
Страница 102: ...5 6 EMP S4 SEIKO EPSON Revision B ...