Epson EH-TW9000 Service Manual

EH-TW8000/TW9000/TW9000W Troubleshooting CONFIDENTIAL
SEIKO EPSON 55 Revision A
OPERATION CHECK FOR REMOTE CONTROLLER
After repairing the remote controller, carry out the check below following the
instructions. (See " Troubleshooting on Operation Abnormality (p46)")
OPERATION CHECK FOR VIDEO INPUT/OUTPUT
After repairing the parts related with video input/output, carry out the check below
following the instructions. (See " Troubleshooting on image Display & Quality (p42)")
INTERNAL CABLE CONNECTION CHECK
When replacing/removing MA Board, make sure to check all the cables are connected
correctly referring to “ 2.4.6 Cable Connection and Projector’s Status (p51)”.
Procedure Check item
1. Press [Power] button on the remote
controller to turn the projector on.
2. Check all the buttons on the remote
controller
if they work properly.
3. Check if the front and rear receivers
work properly.
Does the [Power] button on the controller switch on/
off the projector?
Do all the buttons function correctly?
Can the remote controller work from the front/rear of
the projector?
Procedure Check item
1. Set the projector on an even
workbench.
2. Press the [Power] button to turn the
power ON.
3. Adjust the projection angle with
Foot.
4. Adjust the focus with Focus Ring.
5. Adjust the image size with Zoom
Ring.
6. Adjust keystone with the [Keystone]
buttons or Slide Keystone Assy.
7. From the menu, select [Position] and
adjust the image position.
 Does the lamp light?
 Is the image projected after the lamp lit?
 Is “No Signal” message displayed on the screen?
 Are focusing and zooming available?
 Do the rings smoothly work?
8. Connect all the IF cables and display
an image.
9. Press the [ ] button, and select
the corresponding source.
 Is the image of the selected input source
projected?
 Is image vivid enough?
10.Check the [A/V Mute] function by
pressing the [Black] button on
Remote Controller.
Is the image turned on/off?
Be sure to turn off the power switch and pull out the power cable from the
projector before checking.

Epson EH-TW9000 Specifications

General

Brand	Epson
Model	EH-TW9000
Category	Projector
Language	English