Epson EMP-8000 - Page 61

2-35
EMP-9000/8000
SEIKO EPSON Revision:A
4. Lamp on sequence
Figure2-36 Lamp on sequence
*Filter eliminate ultraviolet rays from light, then output to the light bulb block. If this filter
END
START
Wait
30sec
Lamp off
Error handling
Lamp off
(LPCTL signal off)
Driver board
Assy initialize
Main board
Assy unit
initialize
Lamp on
(LPCTL signal on)
Rotate the fan
Terminate the following
lamp on sequence
Ballast power supply start
LPSTC signal (Lamp abnormal) OFF
Wait
500ms
Wait
4Sec
Power
ON
Lamp on?
Three times?
N
Y
N
Y
N
Y
Overheat or
Sensor error
N
Y