Epson EH-TW2900 Service Manual page 42

EH-TW3500/4500/5500
MAL-CONNECTION ON EACH CONNECTOR (MA BOARD)
Connector No.
(EH-TW3500 /
Destination
EH-TW4500/
5500)
CN2200/
Optical Engine
CN3800
(L/V(R))
(DR Board)
CN2500/
Optical Engine
CN4000
(L/V(G))
(DR Board)
CN2700/
Optical Engine
CN4200
(L/V(B))
(DR Board)
CN4000/
PS Ballast
CN2100
CN1501/
Ballast (SCI)
CN1903
SEIKO EPSON
Status
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)")
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)")
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)")
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)".)
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
Troubleshooting
Connector No.
(EH-TW3500 /
EH-TW4500/
5500)
CN1503/
CN1904
"
CN1507/
CN1905
"
CN1504/
CN1901
CN1505/
CN1902
CN1700/
CN1703
(p23)".)
42
Destination
When the AC cable is connected, the power LED
lights blue. But the power button does not work.
SW1 Board
The power cannot be turned on. (See
Troubleshooting at Power-ON
When the AC cable is connected, the power LED
lights blue. But the Menu button, Esc button,
SW2 Board
Enter/Line Menu button,
(See " Troubleshooting at Power-ON
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
RCF Board 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
on Operation Abnormality
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
RCR Board 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)".)
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
CF Motor
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
CONFIDENTIAL
Status
"
(p34)".)
button do not work.
(p34)".)
" Trouble Shooting
(p37)".)
(p31)".)
Revision A