Daewoo DV6T712D Service Manual page 16

TROUBLESHOOTING
D. No OSD(On Screen Display) appears
No OSD appears.
YES
NO
Is 5V obtained at IC601 pin#
Check POWER circuit.
53, 98, 99?
YES
Is Video signal output at IC601
Is Video signal input at IC601
NO
NO
Check IC 301.
pin#52?
pin#50?
Check IC 601.
Check IC 601.
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