Daewoo DV6T834N, Service Manual

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14
TROUBLESHOOTING
E. No sound in broadcasting (Stereo)
Is 12V obtained at IC251
pin#58?
Is 5V obtained at IC251 pin#40?
YES
NO
NO
YES
YES
Is SIF output from RF101 pin#15
to IC251 pin#48?
Is AUDIO output at IC251
pin#53, 57?
Check Output JACK.
Check POWER circuit.
Check RF101.
Exchange IC251.
NO
NO
Is Video signal input at IC601
pin#50?
Check POWER circuit.
No OSD appears.
Is 5V obtained at IC601 pin# 53,
98, 99?
Is Video signal output at IC601
pin#52?
NO
Replace IC601.
D. No OSD(On Screen Display) appears
YES
YES
NO
Check IC 601.
Check IC 601.