Sharp XV-Z12000 Service Manual

52
XV-Z12000
Is a clock signal (20.25 MHz)
present at TL8002?
NO
YES
Is a video signal present at pin
(74) of IC8338?
Check the peripherals of pin
(74) of IC8338.
The main unit is defective.
IC8338 is defective.
Is a video signal present at pin
(73) of IC8338?
YES
Is a horizontal synchronization
signal present at TL8142?
The VIDEO synchronization
signal is normal.
Is a vertical synchronization
signal present at TL8140?
Is the input signal composite
VIDEO (CVBS)?
NO
Check the peripherals of pin
(73) of IC8338.
The main unit is defective.
Is the input signal S-VIDEO?
Is a video signal present at pin
(72) of IC8338?
NO
Check the peripherals of pin
(72) of IC8338.
The main unit is defective.
Check the VIDEO
synchronization signal.
YES
NO
YES
YES YES
YES
NO
YES
Is a video signal present at
TL8138?
Is the input signal 525iRGB
(or component)?
IC8338 is defective.
NO
NO
X8006 or IC8338 is defective.
NO
NO
YES
YES

Sharp XV-Z12000 Specifications

General

Brand	Sharp
Model	XV-Z12000
Category	Projector
Language	English