Sharp XV-Z9000U Serviceanleitung Seite 33

Checking the power unit
Are all the connectors
inside the power unit tightly
connected?
YES
Is the lamp cover closed
completely?
YES
Is the bimetal switch off?
YES
Is AC voltage applied
across the RL7001 relay?
YES
Is AC voltage applied
across L7005?
YES
Is there DC voltage of
about 6 V across C7151?
YES
Is there DC voltage of
about 340 V across
CN7003?
YES
Are there the specified
voltages at the output
terminals of CN7101 and
CN7102?
YES
Check the output PWB
circuits.
NO
Insert the connectors
CN7105, 7103, 7101AND
7102 tightly.
NO
Tighten up the lamp door
closed with the screws.
NO
Replace the bimetal switch
or press the red button to
reset.
NO
Replace F7001.
NO
Replace F7002.
NO
Check the peripheral
circuits of Q7101~Q7107.
Replace any of them as
required.
NO
Check the circuits leading
to the primary side of
T7002 for damage.
Replace any of them as
required.
NO
Check the circuits leading
to the secondary side of
T7002 for damage.
Replace any of them as
required.
33
XV-Z9000U/E