Read Sharp XV-Z3100 (serv.man5) Service Manual online
XV-Z3100U/XV-Z3100/XV-Z3300/DT-510
5 – 6
NO
Go to "Check when the
lamp turns off soon after
turning on".
lamp turns off soon after
turning on".
YES
Securely insert the
connectors.
connectors.
YES
Securely insert the
connectors.
connectors.
YES
Check IC6001 and
peripheral circuits. (Refer
to the waveform chart
peripheral circuits. (Refer
to the waveform chart
.)
NO
Check IC1715 and
peripheral circuits. (Refer
to the waveform chart
peripheral circuits. (Refer
to the waveform chart
.)
NO
Fully insert the connectors
or replace the harnesses.
or replace the harnesses.
YES
Replace the lamp.
YES
Go to "Power supply PWB
check".
check".
NO
Replace both D911 and
D913.
D913.
YES
Replace D914 or D910,
whichever is short-circuited.
whichever is short-circuited.
YES
Replace the color wheel.
YES
2
1
Checking the lamp
light-up
Does the lamp turn on
when the power is turned
on?
when the power is turned
on?
Is the lamp tight in the
socket?
socket?
NO
Has the FPC cable to
SC6001 come off or is it
loose?
SC6001 come off or is it
loose?
Is rotating sound of the
color wheel heard?
color wheel heard?
NO
Is approx. 0.7 V applied to
TL1740?
TL1740?
YES
NO
Has the harness connected
to P702 on the power
supply unit come off, or is it
loose? Otherwise, is it
broken?
to P702 on the power
supply unit come off, or is it
loose? Otherwise, is it
broken?
NO
Dose the lamp turn on after
the replacement?
the replacement?
YES
Is 340 VDC applied to both
ends of C914?
ends of C914?
NO
Is D911 or D913 short-
circuited?
circuited?
Is D914or D910 short-
circuited?
circuited?
YES
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