XOCECO LC-27FB18, Service Manual

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32
(6) AV no picture
(7) S-terminal no picture
Check if C136 and C137
input signals?
Yes
No
Yes
No
Check if pin13 of N104
outputs signals? Check N105/N106 and the circuit
from AV terminal to N104
Check the periphery circuit
from XC02 to N801 Check N104 and its
periphery circuit
Check if C105 and C138
input signals?
Yes
No
Yes
No
Check if pin13/3 of
N104 outputs signals? Check N108 and the circuit
from S-terminal to N104
Check the periphery circuit
from XC02 to N801 Check N104 and its
periphery circuit