EB-S01/W01/X14G/S11/X11/S02/S02H/X02/W02/S12/S12H/X12/W12/X14 EH-TW480
Troubleshooting CONFIDENTIAL
SEIKO EPSON 49 Revision C
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 (p103)” 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/HK ASSY
After repairing SW Board/HK Assy, carry out the check below following the
instructions. (See " Troubleshooting on Operation Abnormality (p41)".)
Procedure Check item
1. Connect the power cable. Does the [Power] LED light orange?
2. Press the [Power] button on the
projector.
Does the [Power] LED flash green, then light green?
Does the lamp light?
Procedure Check item
1. Press the [Power] button on the
projector to turn it on.
2. Check all the buttons on SW Board
if they work properly.
3. Check HK assy whether it works
properly.
Does the [Power] button switch on/off the projector?
Does the [Source Search] button switch the sources?
Does the [Menu] button display/close the menu?
Does the [Keystone] button correct vertical
keystone?
Does the [Esc] button stop the current function?
Does the [Enter] button determine the setting you
made?
Does the [Help] button display/close the help menu?
Does HK Assy correct horizontal keystone?