EH-TW3500/4500/5500 Troubleshooting CONFIDENTIAL
SEIKO EPSON 42 Revision A
MAL-CONNECTION ON EACH CONNECTOR (MA BOARD)
Connector No.
(EH-TW3500 /
EH-TW4500/
5500)
Destination Status
CN2200/
CN3800
(DR Board)
Optical Engine
(L/V(R))
The power can turn on and the Power LED lights
blue. When pressing the power button, initialization
starts normally, then the projection starts. But the
black part of the projected image is reddish. (See "
Trouble Shooting on image Display & Quality
(p35)")
CN2500/
CN4000
(DR Board)
Optical Engine
(L/V(G))
The power can turn on and the Power LED lights
blue. When pressing the power button, initialization
starts normally, then the projection starts. But the
black part of the projected image is greenish. (See "
Trouble Shooting on image Display & Quality
(p35)")
CN2700/
CN4200
(DR Board)
Optical Engine
(L/V(B))
The power can turn on and the Power LED lights
blue. When pressing the power button, initialization
starts normally, then the projection starts. But the
black part of the projected image is bluish. (This
phenomenon is not easily distinguished on Logo
screen or No Signal screen.
(See " Trouble Shooting on image Display &
Quality (p35)")
CN4000/
CN2100
PS Ballast
Even if the AC cable is connected, the power LED
does not light. The power button does not work
either. (See " Troubleshooting at Power-ON
(p34)".)
CN1501/
CN1903
Ballast (SCI)
The power can turn on and the Power LED lights
blue. When pressing the power button, initialization
starts with blue LED blinking. But the lamp is not
ignited, so no image is projected. After a while, the
projector changes to the Lamp Error mode. The
power turns off automatically after a certain period.
The LED Indicator’s warning display can be turned
off once the main power is turned off.
(See " Trouble Shooting on Lamp Errors (p23)".)
CN1503/
CN1904
SW1 Board
When the AC cable is connected, the power LED
lights blue. But the power button does not work.
The power cannot be turned on. (See "
Troubleshooting at Power-ON (p34)".)
CN1507/
CN1905
SW2 Board
When the AC cable is connected, the power LED
lights blue. But the Menu button, Esc button,
Enter/Line Menu button, button do not work.
(See " Troubleshooting at Power-ON (p34)".)
CN1504/
CN1901
RCF Board
The power can turn on and the Power LED lights
blue. When pressing the power button, initialization
starts normally, then the projection starts. But the
control from the front does not function. The
control from the rear is still effective. When
checking, send the signal to the front of the
projector only. Otherwise, this error can be easily
slipped over, so be careful. (See " Trouble Shooting
on Operation Abnormality (p37)".)
CN1505/
CN1902
RCR Board
The power can turn on and Power LED lights blue.
When pressing the power button, initialization starts
normally, then the projection starts. But the control
from the front does not function. The control from
the rear is still effective. When checking, send the
signal to the front of the projector only. Otherwise,
this error can be easily slipped over, so be careful.
(See " Trouble Shooting on Operation Abnormality
(p37)".)
CN1700/
CN1703
CF Motor
The power can turn on and the Power LED lights
blue. When pressing the power button, instantly the
projector changes to the Cinema Filter Error mode
with the Lamp LED and the Temperature LED
blinking red. The lamp is not ignited, so no image is
projected. The power turns off automatically after a
certain period. The LED Indicator’s warning
display can be turned off once the main power is
turned off. (See " Troubleshooting from the Error
Code on Electric Circuit Errors (p31)".)
Connector No.
(EH-TW3500 /
EH-TW4500/
5500)
Destination Status
To Next Page
Loading...
Need help?
General
