Sharp XV-Z12000 - Page 49

49
XV-Z12000
Is the signal generator (input
source) set correctly?
NO
YES
YES
Is a composite synchronization
signal present at R8981?
NO
Is a composite synchronization
signal with the correct timing
being output to TL8136?
Is a video signal present at pin
(17) of IC8367?
The SOG circuit is normal.
The IC8325 peripheral circuit is
defective.
The SOG circuits (IC8371 and
Q8022 - 23) are defective.
NO
The IC8367 peripheral circuit is
defective or the main unit is
defective.
Check the SOG circuit.
NO
Set the signal generator (input
source) correctly.
YES
YES