Sharp XG-PH50X Serviceanleitung Seite 65

Checking of Video input
Feed the composite VIDEO
signal to INPUT4.
Use keys on the main unit
or remote control to select
INPUT4.
5
Is a picture displayed?
YES
Is a picture distorted?
NO
Are colors normal?
S-VIDEO input check
Is the VIDEO signal fed to
C8103?
YES
6
NO
YES
Go to "VIDEO sync signal
check".
NO
Is the signal applied to
R8092?
YES
The peripheries of
Q8007,8009 and 8011 are
defective.
The terminal PWB is defective.
65
Go to "VIDEO sync signal
check".
Execute the process
adjustment.
5
NO
Is the signal applied to the
pin 23 of SC8001?
YES
NO
The periphery of R8092 is
defective.
XG-PH50X
XG-PH50X-NL