Epson PowerLite 5000 Service Manual page 52

EPSON PowerLite 5000 Service Manual
1. The main board operates the power and the start-up menus, using serial data received
from the remote control (button switches and pointers).
2. The serial signal sent to the driver board via the main board controls the display
(Freeze/Blank).
3. The serial signal sent to the AU board via the main board controls mute and audio
volume.
Remote Control Circuit Block
Remote
Control
Infrared rays
Connector Board
CN204
CN201
RI Board
CN200
FI Board
CN203
Figure 2-21
2-22
Main Board
FR
CN802
Board
EEPROM
CN700
CN100
Driver Board
CN603
CN100
AU Board