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
* If menu key selected.
No |
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| Is Heater | No |
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| Yes |
| Refer to trouble in P.S.U | ||||
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| ambient circuit |
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