Daewoo DV-K*04W Series, Руководство по обслуживанию, Страница: 39 / 114

FLOW CHART 36
4-7. V
IDEO
C
IRCUIT
A. TROUBLESHOOTING OF EE MODE.
NO
Is the obtained from
pin
e
or pin
w
of IC301?
Is C354, R322, C357,
C313 and C321 correct?
Is ON/OFF +5V supplied
to pin
y
and pin
}
of
IC301?
NO
Is the signal from
pin
t
of IC301 fed to pin
u
of IC301 through pin
Y
of
IC301?
Check the QVsync from
pin
4
of IC501 to pin
T
of IC301 or C322
NO
Check PCB pattern
Check OSD circuit
TO RF OUT CIRCUIT
Check the JK601 (RCA JACK)
or JK602 (SCART JACK)
NO
YES
YES
YES NO
YES
YES YES
Check the ON/OFF +5V
Is the video signal obtained
from pin
8
of IC001(OSD)?
Change damaged
components
Check JK601, PJ103, or
pin
$
of P101