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4. Abnormal OSD Font
Abnormal OSD Font
Is menu
key selected?
Is OSD Font
exist?
Yes
One color is
missing
Yes
Is the
output of IC204
(pin 13, 14, 15)
normal?
Yes
Refer to Missing Color
All manuals and user guides at all-guides.com
* If menu key selected.
Is Heater
No
Voltage (CRT PWB)
about 6V?
Troubie in
IC204or its
ambient circuit
Trouble in IC204
No
and its ambient
circuit
18
Trouble in
No
Heater voltage
line.
Refer to trouble in P.S.U
Yes
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