Epson PowerLite 5000 Servisní příručka Strana 100

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EPSON PowerLite 5000 Service Manual
4-5
Disconnect all interface cables and the projector lens cover.
Then connect the power cable.
B
Do the operation and lamp
indicators display the first 3
conditions described in the
table on the next page?
Does the exhaust fan work?
Refer to the table on next
page according to the lamp
indication.
Now does the exhaust fan
work?
Replace the main board.
Replace the exhaust fan.
Press the Power button on the control
panel. Does the operation or lamp
indicator light up or blink?
Make sure CN600 is
connected. Then replace
the control panel.
Press the Power button on the control
panel. Does the operation or lamp
indicator light up or blink?
Press the Power button on the control
panel. Does the operation or lamp
indicator light up or blink?
Replace the power supply
unit.
Is the lamp cover secured to
the lower case?
Install the lamp cover and
lamp inner housing again.
Replace the safety switch.
Is the safety switch
resistance almost 0 ohms?
Disconnect the power
cable.
Disconnect the
Fast-on tab from the
safety switch.
Measure the safety
switch resistance.
A
B
Go to Start
Go to Display/
Picture.
AC Measurement Point
Caution:
Measure the resistance when the safety
switch has cooled down.
YES
YES
NO
YES
NO
YES
NO
YES
YES
NO
Press the power button on
the remote control.
Does the operation or lamp
indicator light up or blink?
Power ON/OFF
Start
Press the power button on
the control panel.
Now does the operation or
lamp indicator light up or
blink?
Is AC power applied to
the power supply unit
connector?
NO
NO
YES
YES
NO
NO
YES
NO
NO
YES
NO
YES
Figure 4-4
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