YES
End
YES
Check connection of 
FB3011, FB3012, and 
FB3013.
NO
Check IC3002, Q3001, 
Q3002, and peripheral 
circuits.
NO
Check IC1773 and 
peripheral circuits.
NO
Check IC1734 and 
peripheral circuits.
NO
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?
NO
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)?
YES
Is 3.3V applied to TL1773?
YES
Is 3.3V applied to TL1734?
YES
Check IC3005 and 
peripheral circuits.
YES