Sharp XV-Z12000 Service Manual

38
XV-Z12000
YES
NO
YES
The lamp is flashing blue
continuously.
Is a voltage of 2.5 V or more
present at pins (5) and (15) of
J8003 in the PCI/F unit?
NO
Is a voltage of 3 V or more
present at pin (8) of J8003 in
the PCI/F unit?
YES
Check IC2005 (sub-microcomputer) and
peripheral parts.
NO
Check X9101.
NO
Is a pulse present at each
address pin of IC9102 in the
formatter unit, immediately after
turning the power on?
YES
IC9101 is defective.
YES
Is a pulse being output to each
data pin of IC9102 in the
formatter unit, immediately after
turning the power on?
NO
IC9102 is defective.
YES
Is a voltage of 3 V or more
present on pin (49) of IC9401?
NO
IC9101 is defective.
YES
NO
IC9401 or Q9401 - Q9403 are defective.
Is a motor drive pulse present
at pins (2), (3), and (4) of
P9402 in the formatter unit?
YES
NO
The color wheel unit is defective.
Is a pulse present at pin (4) of
P9401 in the formatter unit?
IC9101 is defective.
Is a 1 Vp-p clock signal present
at pin (F2) of IC9101 in the
formatter unit?
Check IC2005 (sub-microcomputer) and
peripheral parts.

Sharp XV-Z12000 Specifications

General

Brand	Sharp
Model	XV-Z12000
Category	Projector
Language	English