Sharp XR-1X Serviceanleitung Seite 43

Component signal
check
Send component signals of
1080i (or 720P) from
INPUT 1. Use buttons on
the main unit or the remote
control to select INPUT 1.
Is image displayed
normally?
Are picture signals sent to
TL3002, TL3003, and
TL3004?
Is the signal with a
frequency of 34 KHz (45
KHz for 720P) sent to
IC3005 pin (30) and
60 Hz (or 50 Hz for 50 Hz
system) to IC3005 pin
(31)?
Is 3.3V applied to TL1773?
Is 3.3V applied to TL1734?
Check IC3005 and
peripheral circuits.
Downloaded from www.Manualslib.com
YES
YES
NO
Check connection of
NO
FB3011, FB3012, and
FB3013.
YES
Check IC3002, Q3001,
NO
Q3002, and peripheral
circuits.
YES
NO
Check IC1773 and
peripheral circuits.
YES
NO
Check IC1734 and
peripheral circuits.
YES
manuals search engine
End
43
XR-1X