(6) AV no picture
Check if pin13 of N104
outputs signals?
Yes
Check the periphery circuit
from XC02 to N801
(7) S-terminal no picture
Check
if
pin13/3
N104 outputs signals?
Yes
Check the periphery circuit
from XC02 to N801
Check if C136 and C137
input signals?
Yes
No
Check if C105 and C138
input signals?
Yes
of
No
Check N104 and its
periphery circuit
No
Check N105/N106 and the circuit
from AV terminal to N104
Check N104 and its
periphery circuit
No
Check N108 and the circuit
from S-terminal to N104
36