DAEWOO ELECTRONICS DV-F882DY-C, Service Manual

Page: 35 / 90

32
Is the video signal from pin of IC151
fed to pin of IC301?
NO
YES
Check C158 and pattern
Is ON/OFF 5V supplied to pin
and pin of IC301 at 5volts?
NO
YES
Check ON/OFF 5V
Is EE(L) supplied to anode of
D310 at 0volt?
NO
YES
Check EE(L)
Is the video signal from pin
of IC301 fed to pin of IC301?
NO
YES
Is Q302 and R310 correct?
Is the luminance signal from pin
of IC301 fed to pin of IC301?
YES
Check C302
E.REC Luminance NG
14
12
13
34
12
4
Change damaged
components
Change IC301
NO
YES
5
4
Is the luminace signal from pin
of IC301 fed to pin of IC301?
NO
Is TRICK (H) supplied to
anode of D309 at zero volt?
Check TRICK (H) Change IC301
NO
YES
5
2
YES
Is the modulating luminance signal
from pin of IC301 fed to pin of P101?
YES
Check record EQ circuit
To HEADAMP circuit
2 5
NO
NO