26
Is 5V supplied at ICS01 and pins?
Check oscillation of ICS01 , .
Check serial data (ICS01 , , pin).
Change ICS01 and check OSD circuit.
Check ON/OFF 5V.
Check XS01 (14.3MHz).
Check IC601.
3
16 17
4
5
20
Is 5V supplied at
ICS01 and pins?
7
Is serial data input into
ICS01 , , pin?
3
4
5
Check oscillation
of ICS01 ,
16
17
Change ICS01.
Check ON / OFF 5V.
Check IC601.
Check LS01,CS01
and CS02.
YES
YES
NO
NO
NO
NO
NO
NO
YES
YES
YES
D . OSD Character N.G
20
7
YES
E . OSD Character N.G