Read Sharp XV-Z2000E (serv.man12) Service Manual online
36
XV-Z2000
DT-400
DT-400
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
NO
ABNORMAL
YES
YES
Checking the power unit
Is each connector of the power unit
fully inserted?
fully inserted?
Securely insert the connectors.
Is the lamp door closed completely?
Fix the lamp door with screws.
Is the bimetal broken?
Replace the bimetal switch or restore
by pressing the red button.
by pressing the red button.
Is AC voltage applied to both AC input
ends of DB701?
ends of DB701?
Replace F701. If other parts are
damaged, replace them.
damaged, replace them.
Is DC voltage of approx. 6.25V
outputted to both ends of C726?
outputted to both ends of C726?
Check D707 and the peripheral circuits
of IC702 on the primary side. If
defective, replace them.
of IC702 on the primary side. If
defective, replace them.
Is DC voltage of approx. 370V
outputted to the cathode of D701?
outputted to the cathode of D701?
Replace the subunit or check the
primary side circuit.
Replace defective parts if any.
primary side circuit.
Replace defective parts if any.
Replace the ballast power supply.
Is the specified voltage outputted to
each output terminal of EA701?
each output terminal of EA701?
Check the secondary-side circuits of
T701. If defective, replace them.
T701. If defective, replace them.
Check the PWB circuits on each output
side.
side.
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