Daewoo DV6T812N Service Manual page 20

A. d. DVD E-E
No sound in DVD
E-E mode.
Is there DVD Audio at P101
pin#1, 3?
YES
Is 12V obtained at ICD04
pin#8?
YES
Is DVD Audio signal output
at ICD04 pin# 1,7?
YES
Is DVD signal output at
IC252 pin#3,13 ?
YES
C of Q258 is L or H?
L
Check Output JACK.
NO
IC601 pin#20 is L,
pin#21is H?
Is about 8V obtained at IC252
pin#9? Is about 3.5V obtained
at pin#10 ?
Replace IC252
H
19
NO
Check DVD module.
NO
Check POWER circuit.
NO
Check ICD04.
NO
Check IC601.
NO
Check R298, R299, R646,
R647
Check Mute circuit
TROUBLESHOOTING