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4. Abnormal OSD Font
* If menu key selected.
Abnormal OSD Font
Is
the Fast
Blanking signal
normal?
iS menu
key selected?
is OSD Font
exist?
Trouble in IC801
and its ambient
Circuit
One color is
missing
Yes
Trouble in |C803
and its ambient
circuit
Is the
output of IC803
(pin 13, 14, 15)
normal?
Yes
Y
Refer to Missing Color
12
—
Trouble in
IC803 or its
ambient circuit
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