DAEWOO ELECTRONICS DV-F882DY-C, Service Manual

Page: 37 / 90

34
Is the signal HEADAMP circuit
fed to pin of P101?
NO
YES
Check HEADAMP circuit
Is the PAL colour signal from pin of
P101 fed to pin of IC301 through
AMP circuit?
NO
YES
Check AMP circuit
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 5 volts?
NO
YES
Check EE (L)
Is the PAL colour signal from pin
of IC301 fed to pin and pin
of IC301?
Check X301
G. PB Colour NG
3
YES
Is the signal from pin and
pim of IC301 fed to pin and
pin of IC302 respectively?
Change IC301
YES
Is the signal obtained
from pin of ic302?
Check IC302
3
38
13
34
38
23 24
23
24
4
2
21
YES
Is the signal from pin
of IC302 fed to pin through
pin of IC301?
Check IC301 and R333
21
28
29
YES
is colour rotary suppied
to pin of IC301?
Check IC301 colour rotary
17
YES
To OSD circuit
NO
NO
NO
NO
NO