Epson PowerLite 5000 - Page 52

EPSON PowerLite 5000 Service Manual
2-22
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
Figure 2-21
FR
Board
RI Board
FI Board
EEPROM
Remote
Control
Infrared rays
CN204
CN201
CN200
CN203
CN802
CN700
CN603
AU BoardDriver Board
CN100
CN100
Connector Board Main Board