Read Sharp XV-Z7000 (serv.man5) Service Manual online
34
XV-Z7000U/E
AN-Z7T
YES
YES
YES
YES
YES
NO
Checking the power unit
Are the connectors CN751,
P1707 and P3701 inserted
completely?
P1707 and P3701 inserted
completely?
Insert the connectors
CN751, P1707 and
P3701 tightly?
CN751, P1707 and
P3701 tightly?
Replace the bimetal
Close the lamp cover
tightly.
tightly.
NO
Is the lamp cover closed
completely?
completely?
NO
Replace F701.
NO
Check Q706, Q708 and
Q710 for damage.
Replace as required.
Q710 for damage.
Replace as required.
NO
Is the bimetal switch off?
Is AC voltage (100-240V)
applied between pins (1)
and (3) of CN703?
applied between pins (1)
and (3) of CN703?
Disconnect the CN751
connector (EA). Is there
13V output at pins (7), (8)
and (9)?
connector (EA). Is there
13V output at pins (7), (8)
and (9)?
Check the output PWB for
short-circuit. Check also
the UNT3701 on the
connection terminal PWB
and its peripheral circuits.
short-circuit. Check also
the UNT3701 on the
connection terminal PWB
and its peripheral circuits.
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