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G. PB Colour NG
Is the signal HEADAMP circuit
fed to pin
of P101?
3
YES
Is the PAL colour signal from pin
P101 fed to pin
of IC301 through
38
AMP circuit?
YES
Is ON/OFF 5V supplied to pin
pin
of IC301 at 5volts?
34
YES
Is EE (L) supplied to anode of
D310 at 5 volts?
YES
Is the PAL colour signal from pin
of IC301 fed to pin
and pin
23
of IC301?
YES
Is the signal from pin
23
pim
of IC301 fed to pin
24
pin
of IC302 respectively?
2
YES
Is the signal obtained
from pin
of ic302?
21
YES
Is the signal from pin
of IC302 fed to pin
through
28
pin
of IC301?
29
YES
is colour rotary suppied
to pin
of IC301?
17
YES
To OSD circuit
NO
of
3
NO
NO
and
13
NO
38
NO
24
and
NO
and
4
NO
NO
21
NO
34
Check HEADAMP circuit
Check AMP circuit
Check ON/OFF 5V
Check EE (L)
Check X301
Change IC301
Check IC302
Check IC301 and R333
Check IC301 colour rotary
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