DAEWOO ELECTRONICS DV-F882DY-C Service Manual page 33

B . OSD Character N.G
Is 5V supplied at ICS01 and pins?
Check oscillation of ICS01 ,
YES
Check serial data (ICS01
YES
Change ICS01 and check OSD circuit.
C. OSD Character N.G
Is 5V supplied at
ICS01 and pins?
20 7
YES
Is serial data input into
ICS01 pin
3 4 5
YES
Check oscillation
of ICS01
16 17
YES
Change ICS01
NO
20 7
NO
16 17
NO
pin)
3 4 5
NO
NO
NO
30
Check ON/OFF 5V
Check XS01 (17.7MHz)
Check IC601.
Check ON/OFF 5V
Check IC601.
Check LS01,CS01
and CS02.