2-8
EMP-TW1000
SEIKO EPSON Revision:A
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 (PW328), EEPROM, digitizers (ADC and
video decoder), and SDRAM 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.
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