Read Sharp XV-Z10E (serv.man13) Service Manual online
37
XV-Z10E
YES
YES
YES
YES
NO
Checking the lamp
light-up
Insert the P741 and P742
harnesses tightly. Or
replace the harnesses as
required.
harnesses tightly. Or
replace the harnesses as
required.
Go to "Checking the
power unit".
power unit".
Is high-pressure noise
heard?
heard?
Replace the lamp.
NO
Go to "Checking the
microprocessor circuits".
microprocessor circuits".
NO
YES
Is there DC350-400V
voltage applied between
the P712 pins?
voltage applied between
the P712 pins?
NO
Is the lamp tight in the
socket?
socket?
Insert the lamp tightly in
the socket.
the socket.
Are the P741 and P742
harnesses tightly
connected on both the
power and ballast units?
Or are the harnesses in
good condition?
harnesses tightly
connected on both the
power and ballast units?
Or are the harnesses in
good condition?
Are there 3V (High level)
voltage and over-1V
voltage applied at pins (6)
and (3), respectively, of
P741 on the power unit?
voltage and over-1V
voltage applied at pins (6)
and (3), respectively, of
P741 on the power unit?
NO
Replace the ballast.
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