EH-TW3500/4500/5500 Troubleshooting CONFIDENTIAL
SEIKO EPSON 44 Revision A
2.5 Operation and Safety Check after repair
INITIALIZATION CHECK
After repairing this product, carry out the following initialization check. When
repairing a Safety Device, refer to “ 3.4 Safety Check after Servicing (p96)” and carry
out the necessary procedure for safety.
2.5.1 Each Operation Check
When repairing this product, carry out the check for each operation if necessary.
OPERATION CHECK FOR SW BOARD
When repairing the SW Board, carry out the check below following the instructions.
(See " Trouble Shooting on Operation Abnormality (p37)".)
OPERATION CHECK FOR REMOTE CONTROLLER
When repairing the Remote Controller, carry out the check below following the
instructions. (See " Trouble Shooting on Operation Abnormality (p37)".)
Procedure Check item
1. Connect the power cable, and turn on
the Main Switch.
Does [Power] LED light blue?
2. Press [Power] button on the projector.
Does [Power] LED flash blue, then light blue?
Does Lamp illuminate?
Procedure Check item
1. Press [Power] button on the projector
to turn it on.
Does [Power] button switch on/off the projector?
Does [Source Search] button switch the sources?
Does [Menu] button display/close the menu?
On the menu screen, do [Esc] button, [Enter/Line
Menu] button, and [ ] button function correctly?
Procedure Check item
1. Press [Power] button on Remote
Controller to turn the projector on.
Does [Power] button on the controller switch on/off
the projector?
Do all the buttons function correctly?
Can Remote Controller work approx. 6m away from
the front/rear of the projector?
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