Sharp XV-Z12000 Anleitung Seite 37

The lamp lights.
The power lamp does not light
at all.
NO
When plugged into an AC
socket, the power lamp turns
red, but it goes out soon.
NO
The power lamp flashes slowly.
NO
The lamp turns blue, but it goes
out in about 15 seconds. (The
stand-by indicator turns on.)
NO
The lamp flashes blue, but it
lights solid red after about one
minute.
NO
(Remove the top cabinet and
check.) The lamp flashes blue,
but the temperature monitor
lights in about 25 seconds. The
lamp never lights.
NO
The lamp flashes blue, but the
temperature monitor display
lights in about 25 seconds. The
lamp lights only once.
NO
Go to "The lamp is flashing blue
continuously".
YES
Check the power BU6V circuit.
IC2005 is defective.
Check the lamp door and the lamp switch.
YES
Try pressing the red button on the bimetal
switch. Check the power outputs.
YES
Check the 3.3 V power supply.
YES
Check the 13 V power supply and the cooling
fan drive circuit.
YES
The lamp or the ballast unit is defective.
YES
The harness [CA] or the ballast unit is
defective.
YES
Check the LAMP FLAG signal and the LAMP
LIT signal line.
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XV-Z12000