-129-
Troubleshooting
- 129 -
●Flow chart of projector condition
AC OFF
(with AC power supply and Mains SW : ON)
(90 sec.)
(90 sec.)
(Lamp : OFF)
(Lamp : ON)
(Lamp : OFF)
<ACCIDENT>
(20 sec.)
(5 sec.)
(B)
(A)
(with signal or any button)
(with signal
or any button)
(no signal for 30 sec.)
(no signal for
user setting time)
STAND-BY COOLING
POWER ON
POWER OFF
WARNING
NORMAL
LAMP TIME
DISPLAY
SERVICE
MODE
SUSPEND
COUNTDOWN
SUSPEND
COOLING
<RECOVER>
<ACCIDENT>
(Lamp error)
SUSPEND
(ON/OFF button
or SERIAL)
(Lamp : ON)
(ON/STAND-BY button)
(ON/OFF button)
(A) : Press and hold MENU and SELECT
buttons on the projector for more
than 3 seconds
(B) : Press and hold POWER ON/STAND-
BY button on the projector or on the
remote control unit for more than 20
seconds.
ON-OFF
MAINS-SW ON
POWER KEY OFFPOWER KEY ON
Cooling time after power o.
Timing chart of drive signals
PFC_ON
DC_ON
FAN_SW1
ST_SW
H
L
H
L
H
L
MAX
MIN
FAN_SW2
MAX
MIN
BALLAST1_ON
H
L
BALLAST2_ON
H
L
LAMP1_ON
H
L
LAMP2_ON
H
L
H
L
- Power Failure
- Fan Error
- Filter Error
- Shutter Error
- Lamp Cover Error
- Filter Cartridge Error
- Temperature Error
- Lamp Error
- System Error